The new volume in litres is 13.29 L.
Given,
Temperature 1 (T₁) = 298 K
Volume 1 (V₁) = 15 L
Temperature 2 (T₂) = 383 K
Pressure 1 (P₁) = 3.36 atm
Pressure 2 (P₂) = 4. atm
By Ideal Gas Equation,
P₁V₁/T₁ = P₂V₂/T₂
⇒ (3.36*15)/298 = (4.90*V₂)/383
⇒50.4/298 = 4.90V₂/383
⇒ (50.4*383) / (298*4.90) = V₂
⇒ 19303.2/1460.2 = V₂
⇒13.29 L = V₂
New Volume will be 13.29 L.
Ideal gas law is a precise approximation of the behavioral of several gases under various situations in thermodynamics. The Ideal Gas Equation is a mathematical formula that combines empirical laws such as Charle's law, Boyle's law, Gay-law, Lussac's and Avogadro's law.
The equation characterizing the states of hypothetical gases stated mathematically by combinations of empirical or physical constants is known as the Ideal Gas Equation. It's also known as the universal gas equation. It is defined as follows:
"The ideal gas law seems to be the equation of state for a fictitious perfect gas. It is a decent approximation of the behavioral of various gases under numerous situations, while it has significant limitations".
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If 6.4 g solid carbon dioxide were placed in the same container but it already contained air at 740 torr, what would be the partial pressure of carbon dioxide, PCO2
Given data
Mass of the piece of a solid carbon dioxide is m = 6.8 g
Volume of the solid carbon dioxide is V=4L
The temperature is T = 23°C = 296 K . The pressure of the air in the container is
740 Pho = 740 torr = atm 76
The temperature is T = 23 deg * C = 296K
The pressure of the air in the container is
Pho = 740 torr 740 760 atm
(a)The expression of ideal gas equation is given by,
PV = nRT
PV = (m/M) * RT
Where, P is the pressure in which the container after all the carbon dioxide is vaporizes.
M is the molar mass of the solid carbon dioxide (M = 44.01g / m * ol)
R is the universal gas constant R = (0.0832kJ / m * olK)
Substitute the all values in the above equation and calculate the value of pressure in which the container after all the carbon dioxide is vaporizes.
6.8 g 44.01 g/mol P(4L)= P= (0.0832 kJ/mol K) (296 K) (0.1545 mol) (0.0832 kJ/mol K) (296 K)
P = 0.951atm
(4L)Thus, the pressure in which the container after all the carbon dioxide is vaporizes is 0.951 atm.
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Show the more stable carbocation that forms through a 1. 2−shift. Be sure to answer all parts. Part 1 out of 2 Show the more stable carbocation that forms through a 1,2-shift.
Be sure to answer all parts. Part 1 out of 2 Show the more stable carbocation that forms through a 1,2-shift.
The more stable carbocation that forms through a 1,2-shift is a tertiary carbocation.
A 1,2-shift is a rearrangement of a carbon-carbon double bond, where one of the carbons moves two positions away from its original location with its original bonding partner following it. This creates a carbocation intermediate, with the carbon that moved being the positively charged center. Since tertiary carbocations are the most stable of the carbocation intermediates, the more stable carbocation that forms through a 1,2-shift is a tertiary carbocation.
The more stable carbocation that forms through a 1,2-shift is a tertiary carbocation.
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6.0 mol Al reacts with 4.0 mol O2 to
form Al2O3.
4AI + 302 → 2Al2O3
How many moles of Al2O3 form when
4.0 mol O2 reacts?
[?] mol Al2O3
Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, 2.66 mole of Al[tex]_2[/tex]O[tex]_3[/tex] form when 4.0 mol O[tex]_2[/tex] reacts.
What is mole?The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity or amount of substance. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number. The stoichiometry represents the number of moles.
4AI + 3O[tex]_2[/tex]→ 2Al[tex]_2[/tex]O[tex]_3[/tex]
moles of Al =6.0 mol
moles of O[tex]_2[/tex]=4.0 mol
Since oxygen is limiting reagent
moles of Al[tex]_2[/tex]O[tex]_3[/tex]=2/3×4.0
=2.66 mole
Therefore, 2.66 mole of Al[tex]_2[/tex]O[tex]_3[/tex] form when 4.0 mol O[tex]_2[/tex] reacts.
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someone help asap its due in 10 mins
Answer:
A. Species
Explanation:
The order from least to most specific is:
Kingdom
Phylum
Class
Order
Family
Genus
Species
7
What might cause a theory to change over time?
A
New laws passed by the government
B
New but untestable Ideas
C Changes in public opinion
D
The discovery of new evidence
Answer:
D. The discovery of new evidence.
D is correct because it's the only one that would give proof and science relies on proof.
Many large and small rocks are found under glaciers. Explain how these rocks are both weathered and eroded.
Answer:
The ice and water hit the small rocks and take apart the sediments from it
Explanation:
Select True or False: When lead-209 undergoes beta decay the balanced nuclear equation for this reaction is:
The statement is False, when lead-209 undergoes beta decay. As the nuclear equation is n ---> p + e- + antineutrino.
Lead-209 is an atom that contains 82 protons and 127 neutrons in its nucleus, meaning that lead-209 is not a neutron. Neutrons are particles that are found in the nucleus of atoms and have no charge. Therefore, lead-209 can't undergo beta decay by emitting a neutron. Beta decay occurs when an unstable nucleus emits a beta particle and an antineutrino, changing the number of protons in the nucleus. The balanced nuclear equation for the beta decay of lead-209 would be Pb-209 (atomic number = 82) --> Bi-209 (atomic number = 83) + e- + antineutrino. The Bi-209 is a isotope of bismuth, which has one more proton than lead-209 and the same number of neutrons.
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Question-- Select True or False: When lead-209 undergoes beta decay the balanced nuclear equation for this reaction is: n ---> p + e- + antineutrino
Which of the following equations is correctly balanced?
A) CO, + 9H20 --> C6H12O6 + O2
B) CO2 + H2O --> 3C6H12O6 + O2
C) 6CO2 + 6H2O --> C6H12O6 + 602
Rusting as a redox reaction in details
The reactant is iron (Fe) and the oxidizing agent is oxygen (O). This reaction results in the the formation of a compound known as iron oxide (Fe2O3), which is commonly referred to as rust. The reaction can be written as:
Fe + O2 --> Fe2O3
The oxidation process involves the loss of electrons from the Fe atoms, as oxygen gains electrons and is reduced. The electrons are transferred from the iron to the oxygen, resulting in the formation of iron oxide, which is an insoluble solid.
An oxidation-reduction reaction, or redox reaction, is a reaction in which there is a transfer of electrons between chemical species (the atoms, ions, or molecules involved in the reaction).
The reaction can be written as: [tex]\bold{Fe + O2 \Rightarrow Fe_2O_3}[/tex]
Complete the following chemical formula and determine the final molarity of NaCl:
__ BaCl2(aq) + __ Na2SO4(aq) --> ____ + _____
You react 45g BaCl2 with an excess of Na2SO4 in 250mL of water. Find the molarity of NaCl produced.
A. 0.25
B. 0.58
C. 1.72
D. 3.82
Answer:
[NaCl] = 1.72 M
Explanation:
First of all, we balance the equation:
BaCl₂ + Na₂SO₄ → 2NaCl + BaSO₄
We convert mass of barium chloride to moles
45 g . 1mol / 208.23g = 0.216 moles
Ratio is 1:2. This means, that our moles of reactant may produce the double of moles, of product.
0.216 . 2 = 0.432 moles of NaCl are been produced.
Molarity is mol/L. We convert volume of water from mL to L
250 mL . 1L /1000 mL = 0.250 L
[NaCl] = 0.432 mol/0.250L = 1.72 M
A polymer has a relative molecular mass of 112000.Calculatethe number of monomers{C=12, H=1}
which anion forms a neutral compound when combined with a group 2 monatomic cation in a 1:1 ratio?
A) Fluoride.
B)Nitrate.
C)Phosphide.
D)Sulfide.
There are two types of chemical compound one is covalent compound and other is ionic compound, covalent compound formed by sharing of electron and ionic compound formed by complete transfer of electron. Therefore, the correct option is option D that is sulfide.
What is chemical Compound?Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion. Ionic compound. Ionic compound are very hard. They have high melting and boiling point because of strong ion bond.
The valency of group 2 element is +2 so, the anion that is required to form a compound with these element in a 1:1 ratio must have valency of -2. the only anion in th given option which have -2 valency is sulfide.
Therefore, the correct option is option D that is sulfide.
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Calculate the amounts of p-acetamidophenol (in grams) and bromoethane (in milli- liters) that are used in this reaction. 5. What is activated carbon? What is it used for, either in the lab or other applications?
the amount of bromoethane (in milli- liters) that are used in this reaction is 74.13ml.
Mol wt of P-Acetamido phenol = 151.16. Mol wt of Bromoethane = 108.97. Mol wt of Acetophenetidin (product) = 179.22. Paraacetamido phenol, mol wt=151.16. Bromoethane= 108.97. By the law of mass action, 151.16 g P-Acetamido phenol will react 108.97g Bromoethane to get 179.22 g Acetophenetidin (product) and 80.91 g Hydrobromic acid as a bye product. Since the density of Bromoethane = 1.47g/cc, the quantity of Bromoethane in milliliters = 108.97/1.47 = 74.13 ml. Activated carbon, also known as activated charcoal, is a form of carbon that has been processed to have small, low-volume pores that increase the surface area available for adsorption or chemical reactions. Activated carbon is used for a wide range of industrial and environmental applications, including purifying air and water, removing impurities from liquids and gases, and recovering valuable chemicals. In the laboratory, activated carbon is commonly used to purify organic compounds, remove dissolved gases from liquids, and purify water.
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Draw the organic product of the following reaction between (1s 3s)-1-chloro-3-methylcyclopentane
Whenever we need to find the purity of a combination of two metals, which is known as an alloy, we use the simple formula where we find the weight of the main compound in the numerator and the weight of the total alloy In the denominator. Multiplying this by hundred gives us the purity of the metal. This is extensively used to calculate the purity of silver and gold.
1. How many moles of propane are present at STP if the volume is 65.0 L? Please show all work
Answer:
Therefore, there are 4.47 moles of propane present at STP in a volume of 65.0 L
Explanation:
First, we need to calculate the number of moles of propane present at STP. At STP, the temperature is 273 K and the pressure is 1 atm.
Using the Ideal Gas Law, we can calculate the number of moles of propane present in the given volume.
PV = nRT
n = 4.47 mol
Therefore, there are 4.47 moles of propane present at STP in a volume of 65.0 L
What defines a "super acid" and what makes them unique?
A super acid is defined as an acid with acidity greater than 100% pure H2SO4. It can also be defined as a medium in which the chemical potential of the proton is higher than in pure Sulphuric Acid.
Why are incandescent light bulbs considered to be lower efficiency than LED bulbs?
#1: A greater percentage of the energy output of the incandescent bulb goes toward heat.
#2: A greater amount of energy is required for the same light output from the LED bulb.
#3: A smaller amount of energy is wasted by the incandescent bulb.
#4: A smaller percentage of the energy output of the LED bulb goes toward light.
A smaller amount of energy is wasted by the incandescent bulb.
Why are incandescent light bulbs less efficient?Because so much energy (90%) is used to produce heat instead of light, incandescent lights are the least efficient of all current lighting options.A typical incandescent source emits around 2% of its energy as usable visible light and the rest 98% as waste heat. Incandescent bulbs have a high likelihood of burning out regularly and need to be replaced annually.Incandescent bulbs are inefficient since they only produce 10% of light and 90% of heat. Additionally, incandescent lights don't last as long as CFLs and LEDs do. A 12-watt LED bulb lasts 25,000 hours, compared to 1,000 hours for an incandescent bulb, 10,000 hours for a CFL, and 15 hours for a CFL.To learn more about incandescent light bulbs refers to:
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Two liquids whose boiling points differ considerably can be separated from their mixture by
Answer:
heating the mixture until one liqiid remains
Explanation:
This is because the liquids have different boiling points there fore meaning that one liquid will evaporate begore the other
An engineer is given a time limit of one month to design a compact cell phone that works under water and is durable. What constraint will the engineer be facing when designing this phone?
Size
durability
time for design
resistance to water
Why is it that some materials made up of entirely nonmetal atoms are soluble in water while some are not
some materials made up of entirely nonmetal atoms are soluble in water while some are not Due to different combinations of pairs created, which might either dissolve extremely well, or not dissolve whatsoever
The solubility of a substance in water depends on the nature of the chemical interactions between the substance and the water molecules. Some materials made up of entirely nonmetal atoms are soluble in water because they can form hydrogen bonds with the water molecules. These materials are called polar solvents and are typically composed of polar molecules, like those found in many organic compounds. For example, ethanol (C2H5OH) is a polar solvent that is composed of entirely nonmetal atoms and is soluble in water because it can form hydrogen bonds with the water molecules.On the other hand, some materials composed of entirely nonmetal atoms are not soluble in water because they do not form hydrogen bonds with the water molecules. These materials are called non-polar solvents and are typically composed of non-polar molecules, like those found in many hydrocarbons.
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List the following elements in order from lowest boiling point to highest
- Aluminum Iodide
- Fructose
- Potassium Bromide
- Calcium Bromide
I WOULD REALLY APPRECIATE HELP! PLS NO LINKS! THANK YOU!
Answer:
Aluminum lodide - 680 degrees
fructose- 824 degrees
potassium bromide- 2,615 degrees
calcium bromide 3, 515 degrees
lowest boiling point is 680 and highest is 3,515.
hope this helps:)
PLS HELP ME ON 4 CHEMISTRY ASAP
The percent composition of cesium weighs 100 g in a sample with total mass of 400 g is 25 %.
What is mass percent?The mass percent of an element in a compound is the contribution from the element to the total mass of the compound. It is the ratio of the mass fraction of the element to the total mass multiplied by 100.
Mass percent is a common term used to express the concentration of an ion or element in a mixture.
Given that total mass of the compound = 400 g
mass of cesium in the compound = 100 g.
Mass percent of cesium = mass of Cs/total mass
mass % = 100 /400 × 100 = 25%
Therefore, the mass % of Cs in the compound is 25%.
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Who goes to K12 and if so what grade
Answer:
Hey! I`m In K12. Currently in 7th, going into 8th next year. I have Mrs. Keefe and one of my teachers, what about y`all?
Which type of Electromagnetic wave has wavelength similar to the size of a 1 Peso coin
The microwave wavelength is the same as a one peso coin.
As you know, a peso coin is 24 mm in diameter. So the question becomes, what does an electromagnetic wave with a wavelength of 24mm look like? Wave velocity v, frequency f, and wavelength λ are related to each other. v=fλ
The velocity v in vacuum is the speed of light C₀ = 299792458 m/s. Therefore, the frequency is.
f=[tex]\frac{299792458m/s}{0,024m}[/tex] = 12.5GHz
This is commonly called microwave and its frequency is called Ku band. It is commonly used in satellite communications.
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complete by describing what the change of the state of the matter will be for the process to occur
1. Solidification or freezing:
2. evaporation:
3.condensation:
4.sublimation:
5. Deposition or reverse sublimation:
Answer:
Freezing: Liquid turns into solid. Evaporation: Liquid turns into gas. Condensation: Gas turns into liquid. Sublimation: solid into gas. Deposition: Gas into solid.
Explanation:
I would appreciate some help if anyone can.
What determines whether a metamorphic rock is foliage’s or non-foliated?
- The number of remaining gas molecules
- Temperature, pressure, and the original type of rock
- The water content as a percentage of the rock volume
- The presence or a sense of mineral crystals
the second option is the correct answer i PROMISE
Will someone please help me with these physics questions.
Now assume that all of the potential energy went into kinetic right as it is about to hit the bottom. What would be the value for the kinetic energy? a. less
b. same
c. more
d. not information
The potential energy will go into kinetic right as it is about to hit the bottom. Then, the value will be the b) same for the kinetic energy.
When an object falls, its potential energy decreases, and its kinetic energy increases. A decrease in the potential energy is exactly the same as an increase in the kinetic energy. According to the law of conservation of energy, just before the lamp stops, the potential energy at the top of the lamp and the kinetic energy at the bottom must be equal. At the foot of the hill, the potential energy is zero and the final energy is all kinetic energy. We can equate these two values according to the law of conservation of energy. Adding the kinetic energy and the potential energy gives a constant (KE+PE=constant).
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What is the mass of 4.32 mol GaI3?
455 g
1,230 g
1,720 g
1,950 g
Answer:
D. 1,950 g
Explanation:
I completed the test and it is the correct answer!
The mass of one mole of gallium iodide GaI₃ is 449.7 g/mol. Hence, the mass of 4.32 moles of GaI₃ is 1950 g.
What is gallium iodide?Gallium iodide is a covalent compound formed by the electron sharing between Ga and three iodine atoms. Ga has three valence electrons and each is shared with three iodine and each iodine in turn shares 3 electrons to Ga.
Atomic mass of Ga = 69 g/mol
Atomic mass of I = 126.9 g/mol
mass of 3 iodine atoms = 3 × 126.9 = 380.7 g
Molar mass of GaI₃ = 380.7 + 69 = 449.7 g.
Molar mass of a compound is the mass of one mole of the compound. Hence, one mole of the compound is 449.7 g. Mass of 4.32 moles is :
4.32 × 449.7 ≅1950 g.
Therefore, the mass of 4.32 moles of GaI₃ is approximately 1950 g.
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1. How much energy (in calories and in Joules) will it take to raise the temperature of 75.0 g
of water from 20.0 to 55.0 °C? ( Specific Heat = 1 cal / ( g °C) and 4.184 J /(g°C) )
A. 2630 cal and 630. J
B. 2630 cal and 1.1 x 104 J
C. 1.1 x 10 + cal and 2630 J
D. 630. cal and 2630 J
E. None of these are correct.
I need help pls
Terms that are true of respiration reaction (such C6H12O6 + 6O2 → 6CO2 + 6H2O) include?
A. Endothermic and acid-base
b. exothermic an acid-base
C endothermic and redox
D exothermic and redox
The Respiration reaction includes exothermic process and redox reaction. Hence, Option (D) is correct.
What is Respiration ?A process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
C₆H₁₂O₆ + 6O2 → 6CO₂ + 6H₂O
Therefore, The Respiration reaction includes exothermic process and redox reaction. Hence, Option (D) is correct.
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