The component missing from the process of photosynthesis is carbon dioxide. Carbon dioxide is an essential component of photosynthesis as it is used by plants to create glucose, which is the primary energy source for plants.
What is Carbon dioxide?Carbon dioxide (CO2) is a colorless, odorless gas that is produced when carbon-containing compounds are burned. It is one of the most abundant trace gases that make up the Earth’s atmosphere. Carbon dioxide is important in the Earth’s natural cycle of life as plants use it to produce food through photosynthesis, while animals and humans exhale it as a waste product. In the atmosphere, carbon dioxide acts as a greenhouse gas and helps regulate the Earth’s temperature.
Carbon dioxide is taken in by the leaves of the plant and then combined with water and energy from sunlight to form glucose. Without carbon dioxide, photosynthesis would not be possible.
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Answer: The Correct Answer is A. Sunlight
Carbon Dioxide + Water + Sunlight → Glucose + Oxygen
Explanation: I took the test and got it right.
Have a Great Day.
what will be the hexadecimal value of al after these instructions execute? mov al,0cfh and al,2bh
0Bh will be the hexadecimal value of AL (Aluminium)after these instructions execute
#D9DAD9 is the hex code for aluminum. (217, 218, 217) are the corresponding RGB values, indicating that it is made up of 33% red, 33% green, and 33% blue. Printers employ the CMYK color coding, which are C:1 M:0 Y:1 K:15. Aluminum has a brightness value of 85%, a saturation value of 0%, and a hue value of 120° on the HSV/HSB scale.Hexadecimal is the most practical number system to work with when dealing with long strings of numbers due to its compactness, aligned correspondence of 4 bits to 1 symbol, and freedom from the need to perform multiplication and addition when switching between bases (compare switching from binary to decimal and back).
complete question:What will be the hexadecimal value of AL after these instructions execute?
mov al, 0CFh
and al, 2Bh
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Outside city limits, the minimum distance for parking cars from a warning cross indicating a railroad crossing is 50 meters (165 feet).
a. True. B. False
The given statement is false - outside city limits, the minimum distance for parking cars from a warning cross indicating a railroad crossing is 50 meters (165 feet).
Which of the following must you keep a safe distance from when parking at a railroad crossing?Within 100 feet of a railroad crossing, bridge, tunnel, or other potentially dangerous location.
To ensure the safety of drivers on the road, the relevant authorities have made a number of rules regarding parking cars and other vehicles.
The authorities have made regulations regarding car parking close to railroad crossing signs in consideration of public safety and potential conditions relating to traffic accidents.
Because trains follow a different route and are a different mode of transportation, sometimes they must cross over the sides of the road.
The maximum length for parking a car outside the city limits has been set at 50 meters in order to prevent accidents that might happen as a result of track failure or other technical issues.
The same limit for parking a car inside the city's boundaries, however, has been set to at least 10 meters, or roughly 33 feet, due to space restrictions.
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What element has a number of electrons 14?
The element that has a number of electrons 14 is silicon.
Any material that is totally composed of the same kinds of atoms is said to be an element. For instance, the element carbon is made up entirely of carbon atoms. The number of protons in an atom is indicated by the element's atomic number. The quantity of protons and electrons inside a neutral atom must match.
An element's position on the periodic table is also indicated by its atomic number.
An element possesses 14 electrons, as stated in the question. Since this suggests that it must contain 14 protons, its atomic number must be 14.
In order to locate the element, we must first put down any potential electronic configurations for the element:
1s²2s²2p⁶3s²3p²
In the outermost shell, there are four electrons. The element therefore has 4 electrons in its valence shell. Therefore, this element's period number is 4.
Additionally, the element's group number will be equivalent to:
(Valence electrons + 10) or (4 + 10) equals the 14th group
The element is a p-block element as a result. And silicon is the element that corresponds to the 14th group and 4th period of the periodic table.
Thus, silicon, which possesses 14 electrons, is the correct answer.
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What is the “advantage” and “disadvantage” when there is a mechanical advantage less than 1?
SELECT ALL THAT APPLY
A. Force Advantage
B. No Advantage
C. Distance Advantage
D. Force Disadvantage
E. Distance Disadvantage
Answer: Force disadvantage and distance advantage
Explanation: When mechanical advantage is less than one the force of the strength decreases because input force is greater than output force.
The distance increases ie the object is moving over a long distance.
Example when fishing with a long fishing rod the force applied to move the fish from the water is greater than the weight of the fish itself. The advantage of using the long fishing pole is that the distance over which the fish travels is greatly increased.
Hope this helps. It took me about half an hour before I could get this answer from my various searches. The idea might not be clear but this was what I was able to understand.
Biotic components of ecosystem include
Answer:
Animals, plants, fungi, bacteria, protists, etc.
Explanation:
Biotic means they are alive.
How many grams of silver bromide are produced when 505 grams of cobalt (III) bromide reacts completely in the following equation:
1 CoBr3 + 3 AgNO3 à 3 AgBr + 1 Co(NO3)3
P4 +502 — P4010
What is the limiting reactant if you are using 25. 0 grams of phosphorus and 50. 0 grams of oxygen?
A. ) O2
B. ) P4
C. ) P4O10
D. ) P4O2
The limiting reactant is O2.
To determine the limiting reactant, we need to compare the number of moles of each reactant present.
First, we convert the given masses of phosphorus and oxygen to moles:
25.0 g of P4 = 25.0 g / (123.8 g/mol) = 0.202 mol
50.0 g of O2 = 50.0 g / (32.00 g/mol) = 1.5625 mol
Next, we use the balanced equation for the reaction to determine the stoichiometry of each reactant:
P4 + 5O2 → P4O10
From the equation, we can see that for every one mole of P4, 5 moles of O2 are required.
We can then compare the number of moles of each reactant present:
0.202 mol P4 / 1 mol P4 = 0.202
1.5625 mol O2 / 5 mol O2 = 0.3125
We can see that the number of moles of O2 is less than the number of moles of P4 required by the reaction, so the limiting reactant is O2.
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What is the pH of 1/2 L of drain cleaner?
Answer:
12 to 14
Explanation:
drain cleaners contain sodium hydroxide or potassium hydroxide which are strong bases . The pH value of sodium hydroxide and potassium hydroxide is 14 and 12 respectively on the pH scale. So, most drain cleaners have a pH of from 12 to 14, regardless of how much L there are.
Name the following straight-chain
alkane.
CH3CH2CH2CH2CH2CH2CH2CH2CH3
A. decane
B. octane
C. heptane
D. nonane
Answer: The chemical equation you have listed is nonane. However, I have inculded a screen shot that explains what each aswer option is so you can verify.
Explanation:
In old western cowboys often would put their ear to a train track to listen for a oncoming train what benefit would this method provide over listening for a train by listening for sound throug air
Answer:the vibrations of the train moving on the tracks goes farther on the tracks than the sound of the train
Explanation:i think
What does the pressure of a gas measure?
a The speed of the moving gas particles.
b The amount of space a gas occupies.
С
The force from collisions of gas particles.
d The amount of gas particles.
Answer:
C. the force from collisions of gas particles
How many grams of Pb would be required to make 119 g H2O? Pb+PbO2+2H2SO4=2PbSO4+2H2O. Pb: 207.2 g/mol. H20: 18.o2 g/mol
The amount, in grams of Pb that would be required to make 119 g of [tex]H_2O[/tex] will be 685.17 grams.
Stoichiometric problemThe balanced equation of the reaction would be as follows:
[tex]Pb+PbO_2+2H_2SO_4--- > 2PbSO_4+2H_2O[/tex]
The mole ratio of Pb to [tex]H_2O[/tex] is 1:2.
Recall that, mole = mass/molar mass.
Molar mass of [tex]H_2O[/tex] = 18 g/mol
Mole of 119 g of [tex]H_2O[/tex] = 119/18 = 6.61 mol
From the established mole ratio, the equivalent mole of Pb that would be required will be:
1/2 x 6.61 = 3.31 mol
Mass = mole x molar mass
The molar mass of Pb is 207 g/mol
Mass of 3.31 mol Pb = 3.31 x 207
= 685.17 grams
In other words, the amount of Pb that would be required to make 119 g of [tex]H_2O[/tex] according to the illustrated reaction will be 685.17 grams.
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How many moles of Cl– ions are in 2.20 L of 1.50 M of sodium-chloride aqueous solution?
In 2.20 liters of 1.50 molar sodium-chloride aqueous solution, there are 3.30 moles of chloride ions.
What is molarity?Molarity is the number of moles of solute per liter of solution.
Step 1: Calculate the moles of NaClWe have 2.20 L of a 1.50 M solution.
2.20 L × 1.50 mol NaCl/L = 3.30 mol NaCl
Step 2: Calculate the moles of Cl⁻The molar ratio of NaCl to Cl⁻ is 1:1.
3.30 mol NaCl × 1 mol Cl⁻/1 mol NaCl = 3.30 mol Cl⁻
In 2.20 liters of 1.50 molar sodium-chloride aqueous solution, there are 3.30 moles of chloride ions.
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What force causes a ball to move
Answer: aerodynamic force
Explanation:
The time-varying aerodynamic force causes the ball to move erratically. This motion is the source of the "dancing" knuckleball that confuses both batters and catchers alike.
If the number of moles in a balloon is doubled, but the temperature and pressure don't change, what happens to the volume?
a
It increases, but not in proportion with the moles
b
It is cut in half
c
It doubles
d
It does not chang
What determines the carrying capacity in an ecosystem?
To solve this we must be knowing each and every concept related to ecosystem. Therefore, the maximum number of species that a system can safely support determines the carrying capacity in an ecosystem.
What is ecosystem?An ecosystem is the fundamental fundamental unit of such an environment where living and nonliving creatures interact with one another, both of which are essential for the continuation of life on Earth.
The maximum number of species that a system can safely support is known as carrying capacity. The ability of an ecosystem to replenish the food, water, environment, or other essentials that populations have to thrive are just a few examples of the numerous variables that may affect an ecosystem's carrying capacity of a specific species.
Therefore, the maximum number of species that a system can safely support determines the carrying capacity in an ecosystem.
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How many valence electrons would there be in an atom with 14 protons?
There would be 4 valence electrons in an atom with 14 protons
An element is any substance made entirely of one type of atom. For instance, all of the atoms that make up the element carbon are carbon atoms. The atomic number of an element describes how many protons are present in that element's atoms. Inside a neutral atom, the number of protons and electrons must be equal.
The atomic number of an element also serves as a guide to its location on the periodic table.
According to the question, an element has 14 electrons. This implies that it must have 14 protons, indicating that its atomic number is 14.
We must first list any possible electrical configurations for the element before we may locate it:
1s²2s²2p⁶3s²3p²
In the outermost shell, there are four electrons. The element therefore has 4 electrons in its valence shell is 4
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Why does the arrangement of the particles affect the properties of the substance?
The arrangement of the particles in a substance affects its properties because the arrangement of the particles determines the interactions between the particles.
The arrangement of the particles affects the properties of a substance because the interactions between the particles determine the overall characteristics of the substance.
For example, if the particles in a substance are arranged in an orderly, crystalline structure, the inter-particle forces are strong, making the material harder and more rigid. On the other hand, if the particles are arranged in a disordered, amorphous structure, the inter-particle forces are weaker, making the material softer and more malleable.
The arrangement of the particles also affects the physical and chemical properties of the substance. If the particles are arranged in a crystalline structure, the substance will have a higher melting point, boiling point, and hardness than if the particles were arranged in an amorphous structure.
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The bathroom mirror has water droplets on it after a hot shower. choose the correct phase change. HELPP
Answer:
what?
Explanation:
what the hell?
Solid iron (III) hydroxide decomposes to produce iron (III) oxide and water vapor. If 0. 75 L of water vapor are isolated in the labat STP what was the percent yield of water vapor if you startedthe reaction with 8. 0 grams of iron (III) hydroxide?
The percent yield of water vapor is 1000%, which is not possible and this is an indication that the experiment has not been done accurately or there is an error in the data, or the reaction is not a complete reaction.
To calculate the percent yield of a reaction, you need to know the theoretical yield (the maximum amount of product that could be produced based on the balanced equation) and the actual yield (the amount of product that was actually produced in the lab). To find the theoretical yield, you can use the balanced equation for the reaction and the amount of reactant that was used.
The balanced equation for the decomposition of iron(III) hydroxide is:
Fe(OH)3 --> Fe2O3 + H2O
We are given that 8.0 g of Fe(OH)3 was used in the reaction.
From the balanced equation, we can see that for every 1 mole of Fe(OH)3 that reacts, 1 mole of H2O is produced.
The molar mass of Fe(OH)3 is 106 g/mol
so the amount of moles of Fe(OH)3 is 8.0 g / 106 g/mol = 0.075 moles
The theoretical yield of H2O would then be 0.075 moles.
We also know that 0.75 L of H2O is isolated at STP, which is equivalent to 0.75 moles of H2O.
The percent yield can be calculated by dividing the actual yield by the theoretical yield, and multiplying by 100%.
% yield = (actual yield / theoretical yield) * 100%
% yield = (0.75 moles / 0.075 moles) * 100%
% yield = 10 * 100%
% yield = 1000%
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How many atoms of oxygen does the chemical formula show?
Al(HSO4)3
Answer:
This formula contains 12 oxygen atoms.
Consider the reaction H2 + I2 2HI for which K = 44.8 at a high temperature. If an equimolar mixture of reactants gives the concentration of the product to be 0.50 M at equilibrium, determine the equilibrium concentration of the hydrogen.
A) 1.1 * 10^–1 M
B) 7.5 * 10^–2 M
C) 3.7 *10^–2 M
D) 1.3 * 10^1 M
E) 5.6 * 10^–3 M
Equilibrium constant K= 44.8 for H₂ + I₂ → 2HI Equimolar reactants, HI = 0.50M, H₂ = 5.6×10⁻³ M. The correct option is e.
given equilibrium constant (K) and the equilibrium concentration of the product HI = 0.50M
balanced equation for the reaction
H₂ + I₂ → 2HI
K =[tex]\frac{HI^{2} }{[H_{2][I_{2}] } }[/tex]
K=44.8 and [HI]=0.50M
[H₂] = [tex]\frac{[HI]^{2} }{K}[/tex]
[H₂] =[tex]\frac{(0.50M)^{2} }{44.8}[/tex]
[H₂] ≈0.0056M
equilibrium concentration of hydrogen is 0.0056M sa per the given reaction.
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61. Which pH value indicates the most basic
solution?
(1) 7
(2) 8
(3) 3
(4) 11
[tex]\huge{\textbf{\textsf{{\color{navy}{An}}{\purple{sw}}{\pink{er}} {\color{pink}{:}}}}}[/tex]
(1) 7
Thanks.Hope it helps.The value of pH which indicates the most basic character of the solution is 11.
What is pH?pH is define as the negative logarithm of the concentration of H⁺ ions present in any solution.
It is mainly used to define the acidity or basicity of any solution, and its value ranges from 0 to 14 means from most acidic nature to most basic nature. So, the highest value shows the basic character of the solution.
Hence option (4) is correct i.e. 11.
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What is the ph at the equivalence point if it requires 32.5 mL of 0.15 M KOH to completely titrate 20 mL of a solution of propanoic acid, HC3H5O2
Answer:
pH = 8.92
Explanation:
To solve this question we must know that the reaction of KOH with HC3H5O2 is:
KOH + HC3H5O2 → H2O + KC3H5O2
At equivalence point, all propanoic acid reacts to produce KC3H5O2.
This KC3H5O2 = C3H5O2⁻ is in equilibrium in water as follows:
C3H5O2⁻(aq) + H₂O(l) → OH⁻(aq) + HC3H5O2(aq)
Where Kb = Kw / ka = 1x10⁻¹⁴/ 1.34x10⁻⁵ = 7.46x10⁻¹⁰
is defined as:
Kb = 7.46x10⁻¹⁰ = [OH⁻] [HC3H5O2] / [C3H5O2⁻]
As both [OH⁻] [HC3H5O2] ions comes from the same equilibrium,
[OH⁻] = [HC3H5O2] = X
[C3H5O2⁻] is:
Moles KOH = Moles C3H5O2⁻:
0.0325L * (0.15mol / L) = 0.004875 moles
In 32.5 + 20mL = 52.5mL = 0.0525L:
0.004875 moles / 0.0525L = 0.09286M.
Replacing:
7.46x10⁻¹⁰ = [X] [X] / [0.09286M]
6.927x10⁻¹¹ = X²
X = 8.323x10⁻⁶M = [OH-]
As pOH = -log [OH-]
pOH = 5.08
pH = 14 -pOH
pH = 8.92what is the chemical formula for the copper?
Answer:
Hey mate.....
Explanation:
This is ur answer.....
CuHope it helps!
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8.0 mol AgNO3 reacts with 5.0 mol Zn in
a single replacement reaction.
2AgNO3 + Zn→ 2Ag + Zn(NO3)2
How many moles of Ag form from 5.0
mol Zn?
[?] mol Ag
Round your answer to the ones place.
The number of moles of Ag that forms from 5.0 moles of Zn is 10 moles.
How to calculate number of moles?The number of moles of a substance can be calculated stoichiometrically as follows;
Stoichiometry is the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).
According to this question, silver nitrate reacts with zinc to produce silver and zinc nitrate as follows:
2AgNO₃ + Zn → 2Ag + Zn(NO₃)₂
Based on the equation above, 1 mole of Zn produces 2 moles of silver.
Hence, 5 moles of Zn will produce 10 moles of Ag.
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Please help!!!!
Why can’t cells be seen with the naked eye?
Cells are constantly moving.
Cells do not exist.
Cells are extremely small.
Cells are invisible.
Answer:
Cells are extremely small.
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When the temperature 20 degrees celsius (c),what is it on the Fahrenheit (f)scale??/r/nUse the formula f=(9/5xC)+32
Given :
Temperature in Celsius is 20 degree.
To Find :
The value of same temperature in Fahrenheit.
Solution :
It is given that temperature in Fahrenheit can be found by :
[tex]F = \dfrac{9}{5}C + 32[/tex]
Putting value of C = 20 in above equation, we get :
[tex]F = \dfrac{9}{5}\times 20 + 32\\\\F = 68 \ F[/tex]
Therefore, the value in Fahrenheit is 68 F .
an unbalanced 16.0 N force is applied to a 2.0 kg mass. what is the acceleration of the mass
The acceleration of the mass is 8.0 m/s² when an unbalanced 16.0 N force is applied to a 2.0 kg mass.
To calculate the acceleration of the mass, we can use Newton's second law of motion, which states that the force acting on an object is equal to the mass of the object multiplied by its acceleration (F = ma).
We know that the force acting on the object is 16.0 N, and the mass of the object is 2.0 kg. So, we can use the equation to solve for the acceleration:
a = F ÷ m
where, a = acceleration, F = force (16.0 N), m = mass (2.0 kg)
So,
a = 16.0 N ÷ 2.0 kg = 8.0 m/s²
Therefore, the acceleration of the mass is 8.0 m/s²
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A chemist titrates 110.0mL of a 0.2108M methylamine CH3NH2 solution with 0.4152M HCl solution at 25°C. Calculate the pH at equivalence. The pKb
of methylamine is 3.36Round your answer to 2 decimal places.Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HCl solution added
At equivalence, the number of moles of methylamine and HCl are equal, and the pH of the solution is 4.76.
At equivalence, the number of moles of methylamine and HCl are equal, so we can use the equation:
n(CH3NH2) = n(HCl)
0.2108M * 110.0mL = 0.4152M * V
V = 52.4mL
Total volume of the solution: 110.0mL + 52.4mL = 162.4mL
We can use the Henderson-Hasselbalch equation to calculate the pH at equivalence:
pH = pKb + log([CH3NH2]/[HCl])
pH = 3.36 + log(0.2108M/(0.2108M + 0.4152M))
pH = 3.36 + log(0.2108M/(0.6259M))
pH = 3.36 + log(0.3389)
pH = 3.36 + (-0.4719)
pH = 4.76
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