Determine the rate constant for the reaction at 350.0 K
_____M-¹S-¹

Answers

Answer 1

The rate constant (k) for a chemical reaction can be determined experimentally by measuring the reaction rate (v) at different concentrations of reactants and plotting the data using a suitable rate law equation.

How to explain the reaction

There are different methods to determine the rate constant depending on the type of reaction, but a general approach is as follows:

Conduct the reaction under different initial concentrations of reactants while keeping other variables constant such as temperature, pressure, and pH.

Measure the reaction rate at each concentration by monitoring the change in concentration of reactants or products over time.

An overview was given based on incomplete information.

Learn more about reaction on

https://brainly.com/question/11231920

#SPJ1


Related Questions

The density of a test gas is to be determined experimentally at 289.2 K using an apparatus constructed of a 4.050 L glass bulb volume that is attached to a vacuum pump. The mass of the evacuated bulb is 22.513 g. After it is filled with the test gas to a pressure of 0.0250 atm, the mass increases to 22.651 g. Assume the gas behaves ideally.
What is the density of the gas? How many moles of gas are in the bulb? What is the apparent molar mass of the gas?

Answers

The density of the gas is  0.0340 g/L, moles of gas in the bulb is 0.00124 mol and apparent molar mass is 111.3 g/mol.

How to calculate density, moles and molar mass?

To determine the density of the gas, use the ideal gas law:

PV = nRT

where P = pressure, V = volume, n = number of moles, R = gas constant, and T = temperature.

Since the volume and temperature are constant:

(P/n) = constant

Therefore, the density (ρ) of the gas is given by:

ρ = (m-m₀)/V = (Δm)/V

where m = mass of the bulb filled with the gas, m₀ = mass of the evacuated bulb, and Δm = m - m₀ is the mass of the gas.

Substituting the given values:

Δm = 22.651 g - 22.513 g = 0.138 g

V = 4.050 L

ρ = 0.138 g / 4.050 L = 0.0340 g/L

To find the number of moles of gas in the bulb, use the equation:

n = PV/RT

Substituting the given values:

n = (0.0250 atm)(4.050 L) / (0.0821 L·atm/mol·K)(289.2 K) = 0.00124 mol

Finally, to find the apparent molar mass of the gas, use the equation:

M = m/n

where M = molar mass of the gas and m = mass of the gas.

Substituting the given values:

M = 0.138 g / 0.00124 mol = 111.3 g/mol

Therefore, the density of the gas is 0.0340 g/L, there are 0.00124 mol of gas in the bulb, and the apparent molar mass of the gas is 111.3 g/mol.

Find out more on molar mass here: https://brainly.com/question/31600958

#SPJ1

Please help anyone !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

The volume of ammonia needed to react completely with 30 Liters of NO at STP is 45 L.

What is the volume of ammonia required in the reaction?

The volume of ammonia needed to react completely with 30 Liters of NO at STP is calculated as follows;

4NH₃  + 6NO    →   5N₂   +  6H₂O

From the reaction given above, we can see that;

4 moles of ammonia ------------> 6 moles of NO

ratio = 4 : 6

The volume of ammonia required is calculated as;

4 -------------- > 6

30 L -----------> ?

? = (30 L x 6 ) / 4

? = 45 L

Learn more about reaction here: https://brainly.com/question/29470602

#SPJ1

When calcium metal is placed in water, hydrogen gas is produced. Determine the mass of H2 produced at 25 C and 0.967 atm when 525 mL of the gas is collected over water. Consider vapour pressure of water be 0.0313 atm.

Answers

The mass of hydrogen gas produced, given that 525 mL of the gas was collected over water is 0.04 grams

How do i determine the mass of hydrogen gas produced?

First, we shall determine the mole of the dry hydrogen gas collected. Details below:

Vapour pressure = 0.0313 atmPressure of wet gas = 0.967 atmPressure of dry gas (P) = 0.967 - 0.0313 = 0.9357 atmTemperature (T) = 25 °C = 25 + 273 = 298 KVolume of gas (V) = 525 mL = 525 / 1000 = 0.525 LGas constant (R) = 0.0821 atm.L/mol KNumber of mole (n) =?

PV = nRT

0.9357 × 0.525 = n × 0.0821 × 298

Divide both sides by (0.0821 × 298)

n = (0.9357 × 0.525) / (0.0821 × 298)

n = 0.02 mole

Finally, we shall determine the mass of the hydrogen gas produced. Details below:

Molar mass of hydrogen gas, H₂ = 2 g/mol Mole of hydrogen gas, H₂ = 0.02 moleMass of hydrogen gas, H₂ = ?

Mole = mass / molar mass

0.02 = Mass of H₂ / 2

Cross multiply

Mass of H₂ = 0.02 × 2

Mass of hydrogen gas, H₂ = 0.04 grams

Learn more about mass produced:

https://brainly.com/question/9526265

#SPJ1

Chemical equation for the formation of carbonic acid from the reaction of water with carbon dioxide

Answers

Answer: H2O + CO2 --> H2CO3

Explanation:

Water and Carbon Dioxide react to form Carbonic Acid

H2O + CO2 --> H2CO3

The nuclear reaction entails the breakdown of an element and the subsequent release of radioactive particles. This process can occur naturally or be produced purposefully. As a result, the reaction equation is balanced. The radon element is transmuted into polonium and an alpha particle in the provided question. Since an alpha particle was emitted, the equation is balanced.

Answers

The alpha decay of radon is shown by;

222/86Rn ----> 218/84Po + 4/2He

What is the alpha decay of radon?

Radon undergoes alpha decay by emitting an alpha particle, which consists of two protons and two neutrons.

Let us note that when there is an alpha decay, the parent nucleus would loose a helium nucleus and the daughter nucleus would less than than the parent in mass by four units and less than the parent in charge by 2 units and this would satisfy the mass and charge balance of the equation. The decay equation is; 222/86Rn ----> 218/84Po + 4/2He

Learn more about alpha decay:https://brainly.com/question/55665

#SPJ1

Missing parts;

Use the equation to complete the activity.

219 86Rn → 215 84Po + a

The nuclear equation shows the transmutation of a form of radon into polonium and an alpha particle. In one to two sentences, explain whether or not the reaction is balanced.

Chemistry Table balance A+B→C
Table 1 attached

Answers

The reaction A + B → C has the following rate expression is 197.62 [A][B] M/s

How to determine rate expression?

Using the experimental data to determine the order of the reaction with respect to A and B, assume that the rate of the reaction is given by:

rate = [tex]k[A]^x[B]^y[/tex]

where k =  rate constant and

x and y = orders of the reaction with respect to A and B, respectively.

Compare the rates of the reaction in trials 1 and 2 while keeping the concentration of A constant:

rate1/rate2 = [tex]\frac{k[A]^x[B]^y}{k[A]^x[B]^y} = \frac{[B]^y}{[B]^y} = 1[/tex]

Conclude that the reaction is first-order with respect to B.

Similarly, compare the rates of the reaction in trials 1 and 3 while keeping the concentration of B constant:

rate1/rate3 =[tex]\frac{k[A]^x[B]^y}{k[A]^x[B]^y} = \frac{[A]^x}{[A]^x} = 1[/tex]

Therefore, the reaction is first-order with respect to A.

The rate expression for the reaction A + B → C is:

rate = k[A][B]

Using any of the experimental trials to determine the value of the rate constant k, use trial 1:

rate1 =[tex]k[A]^1[B]^1[/tex]

k = [tex]\frac{rate1}{[A]^1[B]^1}[/tex] = (3.30 E-3)/(0.012 M x 0.014 M) = 197.62 M⁻² s⁻¹

Therefore, the rate expression for the reaction A + B → C is:

rate = 197.62 [A][B] M/s

In this case, the units of k are M⁻¹ s⁻¹ because the reaction is first-order with respect to both A and B.

Find out more on rate expression here: https://brainly.com/question/15154019

#SPJ1

A silver block, initially at 55.1∘C
, is submerged into 100.0 g
of water at 25.0∘C
in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.9∘C
. The specific heat capacities for water and silver are Cs,water=4.18J/(g⋅∘C)
and Cs,silver=0.235J/(g⋅∘C)
.

Answers

The mass of the silver block, given that it was initially at 55.1 °C  and is submerged into 100.0 g of water at 25.0°C is 189.8 g

How do i determine the mass of the silver?

We'll begin our calculation by obtaining the heat absorbed by the water. Details below:

Mass of water (M) = 100 gInitial temperature (T₁) = 25 °CFinal temperature (T₂) = 27.9 °CChange in temperature (ΔT) = 27.9 - 25 = 2.9 °CSpecific heat capacity of water (C) = 4.184 J/gºC Heat absorbed by water (Q) =?

Q = MCΔT

Q = 100 × 4.184 × 2.9

Q = 1213.36 J

Finally, we shall determine the mass of the silver block. Details below:

Heat absorbed by water (Q) = 6108.64 JHeat released by silver block (Q) = -1213.36 JInitial temperature of silver block (T₁) = 55.1 °CFinal temperature of silver block  (T₂) = 27.9 °CChange in temperature (ΔT) = 27.9 - 55.1 = -27.2 °C Specific heat capacity of silver (C) = 0.235 J/gºC Mass of silver block (M) =?

Q = MCΔT

-1213.36 = M × 0.235 × -27.2

-1213.36 = M × -6.392

Divide both sides by -6.392

M = -1213.36 / -6.392

M = 189.8 g

Thus, we can conclude that the mass of the silver block is 189.8 g

Learn more about mass:

https://brainly.com/question/1674804

#SPJ1

Complete question:

A silver block, initially at 55.1∘C, is submerged into 100.0 g of water at 25.0∘C in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.9∘C. The specific heat capacities for water and silver are Cs,water = 4.18J/(g⋅∘C) and Cs, silver = 0.235J/(g⋅∘C). What is the mass of the silver block?

d. Given this law, 4 of 4.
Select Choice
of hydrogen (H2) is produced in the following reaction.

Zn + 2HCl → ZnCl2 + H2
65 g 72 g 135 g ?

Answers

Mass of reactants = mass of products
65 + 72 = 135 + m
m = 2 g

The mass of hydrogen produced in the reaction is 2g.

What is Mole?

The mole is an amount unit similar to familiar units like pair, dozen, gross, etc. It provides a specific measure of the number of atoms or molecules in a bulk sample of matter.

A mole is defined as the amount of substance containing the same number of atoms, molecules, ions, etc. as the number of atoms in a sample of pure 12C weighing exactly 12 g.

Given,

Mass of Zn = 65g

Mass of HCl = 72g

Moles of Zn = mass / molar mass

= 65 / 65 = 1 mole

Moles of HCl = 72 / 36.5

= 1.97 moles

Since moles of Zn is lesser, therefore it is the limiting reagent.

From the reaction, 1 mole of Zn gives 1 mole of hydrogen

Moles of hydrogen = 1 mole

mass of hydrogen = moles × molar mass

= 1 × 2 = 2g

Therefore, the mass of hydrogen produced in the reaction is 2g.

Learn more about Moles, here:

https://brainly.com/question/31597231

#SPJ2

Help me please I need the answer as soon as possible ​

Answers

Answer:

see in your book properly

Which of the following statements confirms the law of conservation of energy?

Answers

Statement that shows that the total energy of a system remains constant and is conserved would confirm the law of conservation of energy.

What is law of conservation?

The law of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another. Therefore, any statement that shows that the total energy of a system remains constant and is conserved would confirm the law of conservation of energy.

Here are some examples of statements that confirm the law of conservation of energy:

The total energy of a closed system, such as a roller coaster, remains constant as the coaster moves from one point to another. Even though the potential energy of the coaster decreases as it goes downhill and the kinetic energy increases, the total energy of the coaster (potential plus kinetic) remains constant.

When a pendulum swings back and forth, the potential energy is converted into kinetic energy and back again, but the total energy of the pendulum remains constant.

In a chemical reaction, the total energy of the reactants is equal to the total energy of the products. Although energy can be released or absorbed during the reaction, the total energy of the system is conserved.

When a ball is thrown into the air, it gains potential energy as it rises and loses potential energy as it falls back down. However, the total energy of the ball (potential plus kinetic) remains constant, neglecting air resistance.

All of these statements confirm the law of conservation of energy by showing that the total energy of a system is conserved over time.

To know more about energy, visit:

https://brainly.com/question/1859083

#SPJ9

Complete question is: "The total energy of a system remains constant and is conserved" statement would confirm the law of conservation of energy.

Using the avg H2O2 molarity (0.7959 M H2O2) and volume of H2O2 (49.8 ml H2O2), calculate the moles of H2O2 that were composed by the catalyst (10 mL of potassium iodine)

Answers

The number of mole of H₂O₂ that were composed by the catalyst (10 mL of potassium iodine) is 0.0396 mole

How do i determine the number of mole of H₂O₂?

From the question given above, the following data were obtained

Molarity of H₂O₂ solution = 0.7959 MVolume of H₂O₂ solution = 49.8 mL = 49.8 / 1000 = 0.0498 LNumber of mole of H₂O₂ solution =?

Molarity and number of mole of as substance are related according to the following equation

Molarity = number of mole / Volume

Inputting the given parameters, the number of mole H₂O₂ solution can be obtain as shown below:

0.7959 = number of mole of H₂O₂ solution / 0.0498

Cross multiply

Number of mole of H₂O₂ solution = 0.7959 × 0.0498

Number of mole of H₂O₂ solution = 0.0396 mole

Thus, the number of moles of H₂O₂ solution composed is 0.0396 mole

Learn more about number of mole:

https://brainly.com/question/20522500

#SPJ1

100 grams of 4 degree celsius water is heated until its temperature is 37 degrees celsius. If the specific heat of water is 4.18 J/g degrees celsius, calculate the amount of heat energy needed to cause this rise in temperature.

Answers

To calculate the amount of heat energy needed to cause the rise in temperature, you can use the formula:
Q = mcΔT

Where Q represents the heat energy, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature.
Given:
m = 100 grams
c = 4.18 J/g°C
Initial temperature (T1) = 4°C
Final temperature (T2) = 37°C
First, find the change in temperature (ΔT):
ΔT = T2 - T1 = 37°C - 4°C = 33°C
Now, plug the values into the formula:
Q = (100 g) × (4.18 J/g°C) × (33°C)
Q = 13794 J

So, the amount of heat energy needed to cause this rise in temperature is 13,794 Joules.

For more questions on:energy

https://brainly.com/question/13881533

#SPJ11

Thoroughly explain fusion and fission, using a specific example, including a model of what is happening

The element i (Si-32)

Answers

Fusion and fission are two types of nuclear reactions that involve changes in the atomic nucleus of an atom.

Fusion is the process of combining two light atomic nuclei to form a heavier nucleus. This process releases a large amount of energy in the form of heat and light. Fusion occurs under high temperatures and pressures, similar to those found in the core of a star. A specific example of fusion is the fusion of two hydrogen nuclei to form helium, which is the process that powers the sun. In this reaction, the two hydrogen nuclei (protons) combine to form a helium nucleus, which consists of two protons and two neutrons. This process releases a large amount of energy in the form of gamma rays and other high-energy particles.

Fission, on the other hand, is the process of splitting a heavy atomic nucleus into two or more smaller nuclei. This process also releases a large amount of energy in the form of heat and radiation. Fission is used in nuclear power plants to generate electricity. A specific example of fission is the splitting of a uranium-235 nucleus into two smaller nuclei, such as krypton-92 and barium-141, and several neutrons. This reaction also releases a large amount of energy in the form of gamma rays and other high-energy particles.

In the case of the element Si-32, fusion and fission reactions can occur. For example, Si-32 can undergo fusion with hydrogen to form a heavier element, such as sulfur or argon. On the other hand, Si-32 can also undergo fission, where it can split into smaller nuclei, such as magnesium and calcium. The specific details of these reactions, including the amount of energy released and the products formed, depend on the specific conditions and the reactants involved.

what is the volume and letters of a solution that contains 0.50 moles of NaOH dissolved in enough distilled water to make 3.0 mm of NaOH solution​
what is the molarity of a solution that contains 60.0 G of caoh dissolved in 150 mm solution​​

Answers

1. To find the volume and units of a solution that contains 0.50 moles of NaOH dissolved in enough distilled water to make 3.0 M NaOH solution:

We first need to use the formula:

moles = concentration (in moles/L) x volume (in L)

Rearranging the formula to solve for volume, we get:

volume = moles / concentration

Substituting the given values, we get:

volume = 0.50 moles / 3.0 M = 0.17 L

Since the volume is given in liters, the units of the solution are L. Therefore, the solution contains 0.50 moles of NaOH dissolved in 0.17 L of distilled water, which makes a 3.0 M NaOH solution.

2. To find the molarity of a solution that contains 60.0 g of Ca(OH)2 dissolved in 150 mL of solution:

We first need to convert the mass of Ca(OH)2 to moles using the molar mass:

molar mass of Ca(OH)2 = 40.08 g/mol + 2 x 16.00 g/mol + 2 x 1.01 g/mol = 74.10 g/mol

moles of Ca(OH)2 = 60.0 g / 74.10 g/mol = 0.810 moles

Next, we need to convert the volume of the solution from milliliters to liters:

volume of solution = 150 mL / 1000 mL/L = 0.150 L

Finally, we can use the formula:

molarity = moles / volume

Substituting the given values, we get:

molarity = 0.810 moles / 0.150 L = 5.4 M

Therefore, the molarity of the solution is 5.4 M.

Which of the following is the most basic level of organization that can perform functions like converting food into energy?

Answers

The most basic level of organization that can perform functions like converting food into energy is the cell.

The most basic level of organization that can perform functions like converting food into energy is the cell. Cells are the fundamental units of life and are capable of various functions, including metabolism, which involves converting food into energy through processes such as cellular respiration.

Cells can be found in all living organisms, from single-celled bacteria to complex multicellular organisms like plants and animals. Within a cell, various organelles such as mitochondria, which are responsible for energy production, carry out specialized functions to support the overall cellular function. Therefore, the cell is the smallest and most basic level of organization that is capable of performing functions like converting food into energy.

For more questions on:  converting

https://brainly.com/question/30632038

#SPJ11

what is the most basic level of organization that can perform functions like converting food into energy

Answers

Answer: Cells

Explanation:

5. A sample of unknown metal has a mass of 135 grams. As the sample cools from 100.5 °C to 35.5 °C, it releases 7500 joules of energy. What is the specific heat of the sample?
please show work ​

Answers

The sample of the unknown metal has the mass of the 135 grams. The sample cools from the 100.5 °C to the 35.5 °C, and it releases the 7500 joules of the energy. The specific heat of the sample is 0.854 J/g °C.

Th mass of the metal = 135 g

The initial temperature = 100.5 °C

The final temperature = 35.5 °C

The heat energy releases = - 7500 J

The heat energy is expressed as :

Q = mc ΔT

Where,

The m is mass of the metal = 135 g

The c is the specific heat capacity = ?

The Q is heat energy releases = - 7500 J

The ΔT is the change in the temperature = final temperature - initial temperature.

The ΔT is the change in the temperature = 35.5 - 100.5

The ΔT is the change in the temperature =  - 65 °C

The specific heat capacity, c = Q / m ΔT

The specific heat capacity, c = - 7500 / 135 × - 65

The specific heat capacity, c = 0.854 J/g °C

The specific heat capacity of metal is 0.854 J/g °C.

To learn more about specific heat here

https://brainly.com/question/19907993

#SPJ1

Which of these would be the least dense?Marble
Feather
Coin
Phone

Answers

The feather is the least thick of the bunch. This is due to the fact that density is defined as mass per unit volume.

A feather has a relatively low mass compared to its volume, due to its porous and lightweight nature. Marble, coin, and phone all have substantially higher densities than a feather since they are constructed of denser materials such as stone, metal, and plastic/electronics.

As a result, when the density of these things is compared, the feather is the least dense.

Because it has a significantly smaller mass than the other objects listed, the feather would be the least dense. Because density is defined as mass per unit volume, an object with a lower mass and the same or greater volume has a lower density.

The stone, coin, and phone all have greater masses and thus higher densities than the feather. However, because density varies based on the exact material used, the relative densities of these things may change if they are made of different materials.

learn more about Dense here

https://brainly.com/question/1354972

#SPJ1

A 10 g piece of metal at 50°C absorbs 900 G of energy after which the temperature of the metal is 350°C what is the specific heat of the metal

Answers

A 10 g piece of metal at 50°C absorbs 900 G of energy after which the temperature of the metal is 350°C. 0.35J/g°C is the specific heat of the metal.

The amount of heat needed to raise a substance's temperature by one degree Celsius in one gramme, also known as specific heat. Typically, calories and joules per gramme per degree Celsius are used as the measurement units of specific heat.

For instance, water has a specific heat of 1 calorie per gramme per degree Celsius. The notion of specific heat was developed by the Scottish scientist Joseph Black in the 18th century as a result of his discovery that equal masses of different substances required varying quantities.

q = m×c×ΔT

900= 10×c×( 350-50)

c=0.35J/g°C

To know more about specific heat, here:

https://brainly.com/question/11297584

#SPJ1

2. A slice of chocolate cake contains 560 Calories. a. Determine the number of calories found in the slice of cake. b. Determine the number of joules of energy for the slice of cake. c. Determine the number of kilojoules of energy for the slice of cake. 3. Determine the number of calories in 1.5 kilojoules of energy.
SHIW WORK​

Answers

b. To determine the number of joules of energy for the slice of cake, we need to convert the calories to joules using the conversion factor 1 calorie = 4.184 joules:

Number of joules = 560 calories * 4.184 joules/calorie = 2343.04 joules

Therefore, the slice of cake contains 2343.04 joules of energy.

c. To determine the number of kilojoules of energy for the slice of cake, we can divide the number of joules by 1000:

Number of kilojoules = 2343.04 joules / 1000 = 2.34304 kilojoules

Therefore, the slice of cake contains 2.34304 kilojoules of energy.

To determine the number of calories in 1.5 kilojoules of energy, we need to convert kilojoules to calories using the conversion factor 1 kilojoule = 1000 calories:

Number of calories = 1.5 kilojoules * 1000 calories/kilojoule = 1500 calories

Therefore, 1.5 kilojoules of energy contains 1500 calories.

Explanation:

Answer:

2. a. 560 Calories, b. 2343.04 J, c. 2.34304 kJ

3. 358.508604 Cal

Explanation:

2.

a. The number of calories found in the slice of chocolate cake is 56012.

b. To determine the number of joules of energy for the slice of cake, we can use the conversion factor that 1 calorie is equal to 4.184 joules3. Therefore, the number of joules in the slice of cake is:

560 Cal ⋅ 4.184 J/ 1 Cal = 2343.04J

c. To determine the number of kilojoules of energy for the slice of cake, we can use the conversion factor that 1 kilojoule is equal to 1000 joules4. Therefore, the number of kilojoules in the slice of cake is:

2343.04 J ⋅ 1 kJ/1000 J = 2.34304 kJ

3. To determine the number of calories in 1.5 kilojoules of energy, we can use the conversion factor that 1 kilojoule is equal to 239.005736 calories1. Therefore, the number of calories in 1.5 kilojoules of energy is:

1.5 kJ ⋅ 239.005736 Cal / 1 kJ = 358.508604 Cal

Compared to chemical reactions, most nuclear reactions result in the
OA. formation of new compounds
OB. formation of new elements
O C. formation of new bonds
OD. loss of valence electrons

Answers

Answer:

OB. formation of new elements.

Nuclear reactions involve changes in the nucleus of an atom, such as the splitting of a nucleus or the combining of two nuclei. These reactions can result in the formation of new elements, as the number of protons in the nucleus determines the element. In contrast, chemical reactions involve the rearrangement of electrons between atoms to form new compounds, but do not involve changes to the nucleus.

How many moles are in 28g of CO2?

Answers

Answer:

0.636 moles of CO2

Explanation:

The molar mass of CO2 is 44.01 g/mol (12.01 g/mol for one carbon atom and 2 x 16.00 g/mol for two oxygen atoms). To find the number of moles in 28g of CO2, you can divide the mass by the molar mass: 28g / 44.01 g/mol = 0.636 moles of CO2.

What volume will 5.00 mol of an ideal gas occupy at 25 C and 153 kPa of pressure?

Answers

79.8L is the volume for 5.00 mol of an ideal gas occupy at 25 C and 153 kPa of pressure.

A measurement of three-dimensional space is volume. It is frequently expressed quantitatively using SI-derived units, like the cubic metre or litre, or different imperial or US-standard units, including the gallon, quart and cubic inch. Volume and length (cubed) have a symbiotic relationship. A container's capacity is typically thought of as being represented by its volume.

P×V = n×R×T    

153000×V = 5×0.082×298

V= 79.8L

To know more about volume, here:

https://brainly.com/question/1578538

#SPJ1

VITAMIN C IN FRUIT JUICE

Why might it be difficult to use this method to determine the amount of Vitamin C in other fruit juices such as cranberry, blackcurrant, or pomegranate juice?

Answers

The method for determining the sum of Vitamin C in fruit juice ordinarily includes adding an indicator (such as DCPIP) to the juice test and titrating the test with a standard arrangement of ascorbic corrosive until the marker changes colour.

In any case, there are a few variables that seem to make this strategy troublesome to utilize for other natural product juices such as cranberry, blackcurrant, or pomegranate juice:

Interference with the indicator: A few natural product juices may contain compounds that are meddled with the marker and anticipate it from changing colour indeed when all the Vitamin C has been titrated. This may lead to wrong comes about.Presence of other reducing agents: Natural product juices may contain other diminishing operators other than Vitamin C, such as fructose or glucose, which can moreover respond with the marker and create wrong positive comes about.Differences in Vitamin C substance: Diverse natural products contain distinctive sums of Vitamin C, and the sum of Vitamin C in a specific juice can change depending on variables such as the readiness of the fruit and the handling strategy utilized. This will make it troublesome to compare the Vitamin C substance of diverse natural product juices utilizing the same strategy.Differences in pH: The pH of natural product juices can moreover change, and this could influence the solidness of Vitamin C and the precision of the titration strategy. 

In this manner, whereas the strategy for deciding the sum of Vitamin C in natural product juice can be a valuable apparatus, it may not be appropriate for all sorts of natural product juices and may have to be be adjusted or adjusted to account for these variables. 

To learn more about VITAMIN C,

https://brainly.com/question/1165711

#SPJ1

What is the pH of the solution formed when 12.50 mL of 1.05 M KOH is added to 50.0 mL of 0.225 M HBr?

A. 0.65
B. 1.52
C. 12.48
D. 13.35

Answers

Answer: D

Explanation:

When 12.50 mL of 1.05 M KOH is added to 50.0 mL of 0.225 M HBr, the resulting solution has a pH of 13.35.

Here’s how to calculate it:

First, we need to determine the number of moles of KOH and HBr in the solution:

moles of KOH = (12.50 mL) * (1.05 mol/L) * (1 L/1000 mL) = 0.013125 mol moles of HBr = (50.0 mL) * (0.225 mol/L) * (1 L/1000 mL) = 0.01125 mol

KOH is a strong base and HBr is a strong acid, so they will react completely to form water and a salt (KBr):

KOH + HBr -> KBr + H2O

The number of moles of KOH is greater than the number of moles of HBr, so there will be an excess of KOH in the solution after the reaction is complete:

moles of excess KOH = moles of KOH - moles of HBr = 0.013125 mol - 0.01125 mol = 0.001875 mol

The total volume of the solution is the sum of the volumes of KOH and HBr:

total volume = 12.50 mL + 50.0 mL = 62.5 mL

The concentration of excess OH- ions in the solution is:

[OH-] = moles of excess KOH / total volume = 0.001875 mol / (62.5 mL * (1 L/1000 mL)) = 0.03 M

The pOH of the solution can be calculated using the formula pOH = -log[OH-]:

pOH = -log(0.03) = 1.52

The pH can be calculated using the formula pH + pOH = 14:

pH = 14 - pOH = 14 - 1.52 = 13.35

So the correct answer is D. 13.35.

Dimensional analysis with shapes

Answers

The surface area of the rectangular prism is 0.034 square meters.

For a rectangular prism with length l, width w, and height h, the surface area is:

Surface area = 2lw + 2lh + 2wh

Substituting the given values, we get:

Surface area = 2(10 cm x 5 cm) + 2(10 cm x 8 cm) + 2(5 cm x 8 cm)

Surface area = 100 cm² + 160 cm² + 80 cm² = 340 cm²

We can use dimensional analysis. So the conversion factor is:

1 m² / 10,000 cm²

Multiplying the surface area by this conversion factor, we get:

Surface area = 340 cm² x (1 m² / 10,000 cm²)

Surface area = 0.034 m²

To know more about rectangular prism, here

brainly.com/question/21308574

#SPJ1

--The complete Question is, What is the surface area of a rectangular prism that has a length of 10 cm, a width of 5 cm, and a height of 8 cm? Use dimensional analysis to convert the answer to square meters--

Classify each into the concepts of HEAT and TEMPERATURE ​

Answers

Answer:

Heat HeatHeatTemperatureTemperatureHeat

All redox reactions form ionic bonds. True or False

Answers

Answer:

true

Explanation:

True your welcome byee

report of collage model of photosynthesis process​

Answers

Photosynthesis is the process by which plants and some microorganisms convert light energy into chemical energy. It is a complex process that occurs in two stages: the light-dependent reactions and the light-independent reactions (also known as the Calvin cycle). 

The light-dependent reactions (Photosynthesis)occur in the thylakoid membranes of chloroplasts and involve the absorption of light by pigments such as chlorophyll. This energy is then used to generate ATP and NADPH, which are used in the next stage of the process. The light-independent reactions occur in the stroma of chloroplasts and involve the fixation of carbon dioxide into organic molecules using the energy generated in the previous stage. 

Learn more about the Photosynthesis here

https://brainly.com/question/29764662

#SPJ1

Which statements are TRUE about fossil fuels? (Select all that apply.)

They are in a limited supply.

They do not replenish themselves.

They are expensive to extract compared to other forms of energy.

They release large amounts of carbon dioxide when burned
✎help its an exam✎ ☕︎if any links I WILL REPORT☕︎

Answers

Answer:

All is Correct

Explanation:

Fossil fuels have the following properties:

They are in a limited supply. Fossil fuels are non-renewable resources, meaning that they cannot be replenished at the same rate as they are consumed. Once they are used up, they are gone forever.They do not replenish themselves. Fossil fuels take millions of years to form under specific geological conditions. They cannot be regenerated by natural processes in a human timescale.They are expensive to extract compared to other forms of energy. Fossil fuels require complex and costly methods to locate, drill, mine, transport, and refine. They also have negative externalities, such as environmental damage, health risks, and social conflicts, that are not reflected in their market prices.They release large amounts of carbon dioxide when burned. Fossil fuels contain carbon that was stored underground for millions of years. When they are burned, they release carbon dioxide (CO2) into the atmosphere, which is a greenhouse gas that contributes to global warming and climate change.

Therefore, the answer is to select all

Answer:

It's A, B, and D

Explanation:

Maybe not D, because that is burning wood like charcoal. Not sure about that. Hope this helps!

Other Questions
A radioactive isotope has a half-life of 1,920 years. Let f(t) be the amount of isotope, in milligrams, that is present after t years. If the sample originally contained 21 milligrams, write an equation modeling this situation.F(t)= Karissa wants to use the data to determine which brand is most absorbent. Based on the data collected at the beginning of the contest, enter the approximate number of paper towels needed to clean each square foot of the spill. Enter the number of Brand A paper towels needed per square foot in the first box. Enter the number of Brand B paper towels needed per square foot in the second box. Enter the number of Brand C paper towels needed per square foot in the third box How do i solve for surface area on a rectangular prism Answer for 50pts 27. What are the main muscle locations and functions?Muscles of the head and neck:28. Which is the kissing muscle?Muscles of the trunk:29. What is the function of the trapezius muscle?Muscles of the Upper Leg:30. What are the muscles of the hamstring group?31. What are the functions of the hamstrings?32. What are the muscles of the quadriceps?33. What are the functions of the quadriceps? 3(1)+(1)33, minus, left parenthesis, minus, 1, right parenthesis, plus, left parenthesis, minus, 1, right parenthesis, minus, 3 For a hypothesis test of H0:p1 p2 = 0 against the alternative Ha:p1 p2 0, the test statistic is found to be 1.8. Which of the following statements can you make about this finding? 1. 98 g of calcium chloride and 3. 75 g of sodium oxide are combined. Theoretically,what mass of solid product could be formed from these amounts of reactants? Whatis the limiting reactant? If the united states had joined the league of nations, would the way the world handles conflict today be different? a rectangle has a length of 5.25cm and area of 44.625cm2. what does the length of the rectangle have to be? You are writing a compare and contrast essay; your thesis is provided below.Reading printed books is better for educational purposes than reading electronic books.Which of the following points of comparison would most effectively support your thesis?Ease of accessing books, ease of purchasing books, ease of readingEnvironmental benefits, environmental drawbacks, metal e-readers vs. paper booksCost of books, portability of books, storage of booksAbility to focus on content, ability to understand material, ability to recall information The characteristics of two different types of reactions are shown below:Reaction A: An atom loses electrons during the reaction.Reaction B: An atom loses protons and neutrons during the reaction.Which statement is true about the two reactions? Both reactions retain the identity of the elements. Both reactions change the identity of the elements. Reaction A produces more energy than Reaction B. Reaction B produces more energy than Reaction A. During their team meeting, both managers shared their findings. Complete the statement describing their combined results. Select the correct answer from each drop-down menu. The initial number of video views was (more than, fewer than, the same as,)the initial number of site visits, and the number of video views grew by (a smaller factor, the same factor, a larger factor) the number of site visits. The difference between the total number of site visits and the video views after 5 weeks is(15,625, 20,825, 36,450, 52,075) Jason wants to earn at least $250 each week working during thesummer. Jason earns $6. 00 an hour babysitting. Jason earns $7. 75 an hour working at a store. He can work no more than 40 hours each week. Let b equal hours of babysitting, and s equal hours working at thestore. Which system of inequalities models the constraints?O 6. 00b + 7. 755 2 250b +5 s 40O 6. 00b + 7. 75s 250b +5 s 40O 6. 000 + 7. 75s 40b + s 250O 6. 00b + 7. 75s 2 40b + s 250 Diet #1: DASH (Dietary Approaches to Stop Hypertension)1. Does this diet require you to eat normal foods? (1 pt) It recommends reducing sodium, foods and beverages with added sugars, and red meat.2. Does this diet require you to eat a variety of foods? (1 pt) 3. Does this diet teach positive lifestyle changes? (1 pt)4. Does this diet lead to rapid weight loss? (1 pt)5. Does this diet require a weight loss aid? (1 pt)6. In one paragraph, describe whether you think this is a healthy diet or a fad diet? (2 pts) There we got along tolerably together, except that I found they had no notion of going with me. I must go withthem, wherever they chose to lead me I must run, walk, or stand, exactly as it suited their fancyHow does the narrator's interaction with the children influence her development?AIt makes her aware that their parents do not like the children getting dirtyBIt makes her fearful of their mother because she does not want her to see that the children are incontrolC.It makes her prefer being around the children when they are playing outside.OD.It makes her even more afraid to take charge of the children because she knows their father willget mad Triangle TUV, with vertices T(2,-8), U(9,-6), and V(6,-3), is drawn on the coordinategrid below. what is the area. in square units, of triangle TUV When criminal acts such as assaults occur in prison, often the use of the criminal justice system is not an effective way to deal with the situation. explain why the criminal justice system is not often effective in dealing with acts that occur in prison and identify a type of internal sanction that can be used by prison officials to control behavior within the prisonwhen criminal acts such as assaults occur in prison, often the use of the criminal justice system is not an effective way to deal with the situation. explain why the criminal justice system is not often effective in dealing with acts that occur in prison and identify a type of internal sanction that can be used by prison officials to control behavior within the prison Admission Charge for Movies The average admission charge for a movie is $5. 81. If the distribution of movie admission charges is approximately normal with a standard deviation of $0. 81, what is the probability that a randomly selected admission charge is less than $3. 50 Jacinta compares the volume of two boxes. Both boxes have a width of 2. 5 inches, and a height of 10 inches. The larger box has a length of 8 inches. The smaller box has a length that is 75 % of the length of the larger box. Volume of large box = Volume of small box =What is the difference in the volumes of the two boxes?Which units should be used for each of these answers? Complete the sentence. Green revolution agriculture uses genetically modified crops that are blank productive and blank resistant to pestsO Less, lessO Less, moreO More, lessO more, more