The equilibrium shifts in the direction that tends to oppose the change done.
What is Chemical equilibrium?Chemical equilibrium is the state of a system in which the rate of the forward reaction is equal to the rate of the reverse reaction.
Chemical equilibrium is a dynamic process. The forward and reverse reactions continue to occur even after equilibrium has been reached. However, because the rates of the reactions are the same, there is no change in the relative concentrations of reactants and products for a reaction that is at equilibrium.
The equilibrium reaction is given as -
2 CO + O₂ ⇒ 2CO₂
ΔH = negative
This means that the forward reaction is exothermic.
Addition of oxygen shifts the equilibrium towards the product side.
When the temperature is increased the backward reaction will be favored and the equilibrium will be shifted towards the reactant side.
Cooling below 100⁰C results into shifting the equilibrium towards product side.
Adding a catalyst does not alter the direction of equilibrium.
Doubling the pressure would shift the equilibrium towards product side.
Adding a base to absorb CO₂ would shifts the equilibrium towards the product side.
Therefore, The equilibrium shifts in the direction that tends to oppose the change done.
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Answer :Adding of oxygen shifts the equilibrium to the right side which is the product side.
increasing of the temperature will shift the equilibrium to the left side which is the reactant side
cooling below 100c will shift the equilibrium to the right side which is the product side
Adding a catalyst does not affect the chemical equilibrium
Doubling the pressure would shift the equilibrium to the right side which is the product side
Adding a base to absorb CO2 would shift the equilibrium to the product side
Explanation:
A 9.10 L
container holds a mixture of two gases at 43 °C.
The partial pressures of gas A and gas B, respectively, are 0.264 atm
and 0.548 atm.
If 0.130 mol
of a third gas is added with no change in volume or temperature, what will the total pressure become?
Answer:
we can use the ideal gas law equation:
PV = nRT
where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature.
First, we can find the total number of moles of gas in the container:
n(total) = n(A) + n(B)
To find the number of moles of each gas, we can use the partial pressures and the total pressure:
P(A) / P(total) = n(A) / n(total)
P(B) / P(total) = n(B) / n(total)
We can rearrange these equations to solve for n(A) and n(B):
n(A) = P(A) / P(total) × n(total)
n(B) = P(B) / P(total) × n(total)
We know that the partial pressures of gas A and gas B are 0.264 atm and 0.548 atm, respectively, and we can find the total pressure by adding these partial pressures:
P(total) = P(A) + P(B) = 0.264 atm + 0.548 atm = 0.812 atm
We can also find the total number of moles of gas in the container:
n(total) = PV / RT = (0.812 atm) × (9.10 L) / (0.08206 L·atm/mol·K × 316 K) = 0.286 mol
Now we can add 0.130 mol of a third gas, which gives us a new total number of moles of gas:
n(new) = n(total) + 0.130 mol = 0.286 mol + 0.130 mol = 0.416 mol
Since there is no change in volume or temperature, the new total pressure will be proportional to the total number of moles of gas:
P(new) = P(total) × n(new) / n(total) = (0.812 atm) × (0.416 mol) / (0.286 mol) = 1.18 atm
Therefore, the total pressure will become 1.18 atm.
Help Asha identify whether the reaction is a synthesis or decomposition reaction: 2 HCI → H₂ + Cl₂
A) Synthesis
B) Decomposition
Considering the definition of synthesis and decomposition reaction, the reaction 2 HCI → H₂ + Cl₂ is considered as a decomposition reaction.
Definition of synthesis reactionSynthesis or combination reactions occur when two or more reactants form a single product; heat is usually released (exothermic reaction).
The general form of the equation for this type of reaction is the following:
A + B → AB
Definition of decomposition reactionIn a decomposition reaction, a single substance breaks down, producing two or more different substances. This type of reactions can be considered the inverse of synthesis reactions. Heat is usually needed for the reaction to occur.
The general form of these equations is as follows:
AB → A + B
This caseThe reaction 2 HCI → H₂ + Cl₂ is considered as a decomposition reaction because hydrochloric acid molecule breaks down to produce hydrogen gas and chlorine gas.
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The specific heat capacity of wood is 1.76 J/g °C. The specific heat capacity of steel is
0.47 J/g °C. Which material is the better conductor of heat?
Answer:
The specific heat capacity of a substance represents the amount of energy required to raise the temperature of 1 gram of that substance by 1 degree Celsius. A material with a lower specific heat capacity will require less energy to raise its temperature than a material with a higher specific heat capacity.
Therefore, steel is the better conductor of heat because it has a lower specific heat capacity than wood. Steel can transfer heat more quickly than wood due to its lower specific heat capacity.
Explanation:
Calculate the pH at the equivalence point for the following titration: 0.20 M HCl versus 0.10 M NaOH.
The pH at the equivalence point for the titration of 0.20 M HCl versus 0.10 M NaOH is 7.0.
The reaction between HCl and NaOH is a strong acid-strong base titration. At the equivalence point, all of the HCl has reacted with an equal amount of NaOH to form water and NaCl.
StepsThe balanced equation for the reaction is:
HCl + NaOH → NaCl + H2O
Since the reaction between HCl and NaOH is a 1:1 stoichiometric ratio, we can say that at the equivalence point, the moles of HCl consumed are equal to the moles of NaOH added.
Moles of HCl = concentration of HCl × volume of HCl used
Moles of NaOH = concentration of NaOH × volume of NaOH added
At the equivalence point, Moles of HCl = Moles of NaOH. Therefore,
concentration of HCl × volume of HCl used = concentration of NaOH × volume of NaOH added
Since we have equal volumes of HCl and NaOH at the equivalence point, we can simplify the equation to:
concentration of HCl = concentration of NaOH
Therefore, the concentration of HCl and NaOH at the equivalence point is both 0.15 M (the average of the initial concentrations of 0.20 M HCl and 0.10 M NaOH).
To find the pH at the equivalence point, we can use the equation for the dissociation of water:
H2O ⇌ H+ + OH-
At 25°C, the concentration of water is 55.5 M. At the equivalence point, the concentration of H+ and OH- are both equal, so we can write:
Kw = [H+][OH-]
where Kw is the ion product constant for water, which has a value of 1.0 × 10^-14 at 25°C.
At the equivalence point, the concentration of H+ and OH- are both equal to the concentration of NaOH and HCl, which is 0.15 M.
Therefore:
Kw = [H+][OH-]
1.0 × 10^-14 = [0.15][0.15]
[H+] = [OH-] = sqrt(1.0 × 10^-14) = 1.0 × 10^-7 M
The pH at the equivalence point is equal to the negative logarithm of the H+ concentration:
pH = -log[H+]
pH = -log(1.0 × 10^-7)
pH = 7.0
Therefore, the pH at the equivalence point for the titration of 0.20 M HCl versus 0.10 M NaOH is 7.0.
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need help with % yield please : (
When 48.91 grams of SiC are reacted with 14.048 liters of Cl2, 31.527 grams of SiCl4 are produced at STP. What is the percent yield of this reaction?
What is the volume of 2.0g of hydrogen gas?
11. A chemist mixed two samples together: a brown solid that melts at about 1,300°C and a colorless liquid that melts at about 20°C. She analyzed the results and found two ending substances. One of the ending substances melts at about 250°C. This ending substance is made up of the repeating group of atoms shown above. Which of the diagrams to the left shows the repeating groups of atoms that make up the samples the chemist mixed together?
Diagram c to the left shows the repeating groups of atoms that make up the samples the chemist mixed together.
What is atoms?Atoms are the smallest unit of matter that make up all physical objects. Atoms are composed of three main components: protons, neutrons, and electrons. Protons and neutrons are found in the nucleus of the atom and have a positive charge, while electrons orbit the nucleus and have a negative charge. Atoms can join together to form molecules, which are the building blocks of all matter. Atoms of different elements can join together in different ways to form compounds and these compounds are the basis of all substances. Atoms are also the basis of all chemical reactions and can exist in different physical states, such as solid, liquid, or gas. Atoms can also be combined to form isotopes, which are atoms of the same element with different numbers of neutrons.
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A piece of gold (c = 0.129 J/g°C) with mass of 45.5 g and a temperature of 80.5°C is dropped into 192 g of water at 15.0C. What is the final temperature of the water? (Hint: Use the equation qw = -qg.)
According to the solving the final temperature of the water is 15.317°C.
What does the phrase "change in temperature" signify in chemistry?When heat flows through an area, the temperature changes, either rising or falling. By examining the reaction and determining if it is endothermic or exothermic, it is possible to determine that this alters chemical equilibria towards the products or reactants.
According to the given information:Q lost by gold = Q gained by water
where Q is the heat absorbed or lost, which can be calculated using:
Q = m * c * ΔT
where m is the mass, c is the specific heat capacity, and ΔT is the change in temperature.
First, let's calculate the heat lost by the gold:
Q lost by gold = m * c * ΔT
= 45.5 g * 0.129 J/g°C * (80.5°C - 15.0°C)
= 231.1 J
This heat is gained by the water, so:
Q gained by water = 231.1 J
Using the same formula for the water, we can calculate the final temperature:
Q gained by water = m * c * ΔT
231.1 J = 192 g * 4.184 J/g°C * (T - 15.0°C)
T - 15.0°C = 0.317°C
T = 15.0°C + 0.317°C
T = 15.317°C
the final temperature of the water is 15.317°C.
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2.62 Predict the chemical formulas of the compounds formed by the following pairs of ions: (a) Cr3+ and Br, (b) Fe3+ and O2, (c) Hg22+ and CO2, (d) Ca2+ and CIO3, (e) NH4+ and PO³
The compounds formed are;
1) [tex]CrBr_{3}[/tex]
2) [tex]Fe_{2} O_{3}[/tex]
3) [tex]((Hg)_2}) _{2} (CO_{3}) _{2}[/tex]
4) [tex]Ca(ClO_{3} )_{2}[/tex]
5)[tex](NH_{4}) _{3} PO_{4}[/tex]
How are ionic compounds formed?Ionic compounds are formed through a type of chemical bonding called ionic bonding. Ionic bonding occurs when one or more electrons are transferred from one atom to another, resulting in the formation of ions, which are atoms or molecules that have a net electric charge due to a loss or gain of electrons.
The formation of ionic compounds typically occurs between atoms with large differences in electronegativity, or the ability of an atom to attract electrons.
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Which of the following is not a characteristic of a sonnet?
14 lines
Blank verse
Iambic pentameter
Rhyme scheme ABAB CDCD EFEF GG
Blank verse is not a characteristic of a sonnet.
What is not a characteristics of a sonnet?Blank verse is not a characteristic of a sonnet. Sonnets are typically written in iambic pentameter and have 14 lines, and the rhyme scheme varies depending on the type of sonnet. For example, the Shakespearean sonnet typically has the rhyme scheme ABAB CDCD EFEF GG, while the Petrarchan sonnet has the rhyme scheme ABBAABBA CDCDCD or ABBAABBA CDECDE. Blank verse, on the other hand, is unrhymed iambic pentameter and is typically used in longer poems or plays.
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10-14 what are the answers Show your work for all of these questions for brainliest and 20 points I need HELP ASAP PLS ITS HW
If you were asked to dissolve a solid into an aqueous solution, how could you speed this process up? How could you slow it down? Listed below are a number of possible ways to alter the rate of this process. Place them in the proper category. If you need help, think about putting sugar in your tea.
The dissolution can be sped up by stirring and it can be slowed by cooling the solution.
How could you speed up the dissolution of a solid in a solution?Breaking the solid into smaller pieces, grinding it into a powder, or using a solution with a larger surface area can increase the surface area of the solid, making it easier for the solvent to come into contact with the solid and dissolve it faster.
Stirring, shaking, or otherwise agitating the solution can help to increase the mixing of the solvent and the solid, which can speed up the dissolution process.
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The periodic table is shown below.
When a highly reactive metal, such as magnesium (Mg), is mixed with a reactive nonmetal such as sulfur (S), the two elements will most likely combine to form a new substance, magnesium sulfide (MgS).
Based on the trends of the periodic table, which other element is likely to combine with magnesium?
According to the periodical table's trends, an element with qualities like to sulfur (S) is most likely to mix with mag (Mg), as magnesium has a predisposition to react with sensitive nonmetals the same as sulfur and produce compounds.
Is daily magnesium intake okay?For the majority of individuals, regular doses under 350 mg are safe. The adverse effects of magnesium can also include nausea, nausea, diarrhea, and upset stomach in some people. Magnesium is POSSIBLY SAFE Only if TAKEN IN VERY HIGH AMOUNTS (more than 350 mg daily).
Anybody shouldn't take magnesium, right?And then use magnesium, individuals who have diabetes, digestive disease, heart disease, or renal disease should see their healthcare professional.
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5-chloro-4-methyl-2-nonyne
5-chloro-4-methyl-2-nonyne is an organic compound with the molecular formula C11H19Cl. It belongs to the class of alkynes, which are hydrocarbons that contain at least one triple bond between two carbon atoms.
The name of the compound indicates that it has a chlorine atom (denoted by "chloro") attached to the fifth carbon atom of the carbon chain, a methyl group (-CH3) attached to the fourth carbon atom, and a triple bond between the second and third carbon atoms of the carbon chain. The carbon chain contains a total of nine carbon atoms (denoted by "nonyne" indicating nine carbons).
The structural formula of 5-chloro-4-methyl-2-nonyne can be written as:
CH3-C≡C-C(CH2)6-Cl
where the triple bond is represented by a "≡" symbol, and the carbon atoms are numbered according to the naming convention.
Answer:
it's an organic compound
Anyone please help me, I need it asap!
IV. Molecular formula
a. C₂H₂
b. C₂H₄
V. Emperical formula
a. C₅H₄
b. C₆H₆
VI. a. Reactants: Na₂SO₄(aq) + Ca(NO₃)₂(aq) Products: CaSO₄(s) + 2NaNO₃(aq) Type of reaction: Double displacement
b. Reactants: 3Mg(s) + N₂(g) Products: Mg₃N₂(s) Type of reaction: Combination
VII. a. 2Hg(NO₃)₂(s) → 2Hg(l) + 2NO₂(g) + O₂(g)
b. Ca₃(PO₄)₂(aq) + 2H₃PO₄(aq) → 3Ca(H₂PO₄)₂(aq)
c. 3NaOH(aq) + FeCl₃(aq) → Fe(OH)₃(s) + 3NaCl(aq)
What is a Double displacement reaction?A double displacement reaction, also known as a double replacement reaction or metathesis reaction, is a type of chemical reaction in which two compounds exchange or switch their constituent ions to form two new compounds.
In this type of reaction, the cations and anions of two ionic compounds exchange places to produce two new compounds, with no change in the oxidation state or charge of the elements involved. The general form of a double displacement reaction is AB + CD → AD + CB, where A, B, C, and D represent different ions or atoms.
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Method for naming ionic compounds
The cation is mentioned first, followed by the anion, when identifying an ionic compound. Positive and negative charges must be equal. Certain anions with various forms are denoted by Roman numerals.
What procedures are employed while naming ionic compounds?Ionic compounds, which are neutral substances, are made up of positively charged ions, known as cations, and negatively charged ions, known as anions. substances with binary ions (ionic compounds that contain only two types of elements).
What is a naming guideline for ionic compounds?The anion is written after the cation in the name. When a formula unit contains two or more of the same polyatomic ion, the subscript is written outside of the parenthesis.
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please help!!! A, B, C, or D
Answer:
A
Refer to pic for explanation
Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The balanced equation for the reaction is
2Mg(s)+O2(g)→2MgO(s)
When 10.2 g Mg is allowed to react with 10.4 g O2, 11.9 g MgO is collected.
Determine the theoretical yield for the reaction. In grams
Determine the percent yield for the reaction. In grams
The theoretical yield for the reaction is 16.97 g MgO.
The percent yield for the reaction is 70.08%.
Steps
Let's calculate the moles of Mg and O2:
Moles of Mg = 10.2 g / 24.31 g/mol = 0.420 mol
Moles of O2 = 10.4 g / 32.00 g/mol = 0.325 mol
The theoretical yield of MgO can be calculated using the moles of Mg:
Moles of MgO = 0.420 mol Mg × (2 mol MgO / 2 mol Mg) × (40.31 g/mol MgO) = 16.97 g
Therefore, the theoretical yield for the reaction is 16.97 g MgO.
To calculate the percent yield, we need to compare the actual yield to the theoretical yield:
Percent yield = (actual yield / theoretical yield) × 100%
Percent yield = (11.9 g / 16.97 g) × 100% = 70.08%
Therefore, the percent yield for the reaction is 70.08%.
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You have a glass of water and a piece of metal. The water in the glass weighs 250 g and is at 25 C. The metal is at 155 C. You measure the final temperature of the water plus metal to be 38.5 C. The specific heat of the metal is .345 J/gC and for water the specific heat is 4.184 J/gC. How many grams did the piece of metal weigh?
You use q = mcT again, but this time you assume qaluminum = qwater and solve for T, which is the ultimate temperature. You must research the specific heat values (c) of aluminum and water.
How do you find the specific heat capacity of a metal in water?To calculate the heat capacity of a metal, use Q = smT. (In this calculation, make careful to include the heat given out by the metal, the mass of the metal, and the temperature change of the metal.)
The metal will cool and the water will heat up over time. The two things will eventually have the same temperature. They are then considered to be thermally balanced with one another.
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A. How many moles of O₂ would 13.0 mol of Al2O3 produce?
19.5 moles of oxygen will be produced by 13 moles of Al₂O₃.
What is a 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,
Moles of Al₂O₃ = 13 moles
From the reaction -
2 Al₂O₃ ⇒ 4Al + 3O₂
2 moles of Al₂O₃ produces 3 moles of O₂
1 mole of Al₂O₃ produces 3 ÷ 2 moles of O₂
1 mole of Al₂O₃ = 1.5 mole of O₂
So, 13 moles of Al₂O₃ = 1.5 × 13 moles of O₂
= 19.5 moles of O₂.
Therefore, 19.5 moles of oxygen will be produced by 13 moles of Al₂O₃.
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how is the digestive system important to the muscular system
Answer:
The digestive system is important to the muscular system because it provides the necessary nutrients and energy required for muscle function and growth. The digestive system breaks down food into smaller molecules such as carbohydrates, proteins, and fats, which are then absorbed into the bloodstream and transported to the muscles. The muscles use these nutrients as fuel for energy during muscle contraction and growth. Additionally, the digestive system helps to eliminate waste products that can impair muscle function, such as lactic acid. Therefore, a healthy digestive system is essential for maintaining optimal muscular function and overall physical performance.
Explanation:
PLEASE URGENT ! 100 POINTS
If 16.0 g of AgNO3 react with an excess of BaCl2 according to the following equation, what mass of AgCl gets produced?
2 AgNO3+ BaCl2 → 2 AgCl +Ba(NO3)2
If only 10.0 g of AgCl were recovered, what is the percent yield of this reaction?
a sample of crystaline compound when heated in an open test tube produced sevrral droplets of water on the cool upper region of the tube the residue
The presence of water droplets on the cool upper portion of the test tube after heating the compound suggests that water molecules are trapped within its crystal structure. If the substance were a real hydrate, heating it would have caused all of the water molecules to evaporate, leaving behind an anhydrous substance.
What do you mean by crystalline compound?
A substance is said to be crystalline if it contains a repeating pattern of well-defined, organised, three-dimensionally arranged atoms or molecules throughout its structure. The compound's distinctive crystalline shape comes from this ordered arrangement, which also gives it additional crystalline solid-specific physical and chemical features.Crystalline compounds can take on a variety of shapes, from straightforward atomic or molecule crystals to intricate mineral formations, and they can be made up of a variety of different elements and compounds. Crystalline substances include, among many others, diamond (carbon), sugar (sucrose), table salt (NaCl), and sugar.The presence of water droplets on the cool upper portion of the test tube after heating the compound suggests that water molecules are trapped within its crystal structure. If the substance were a real hydrate, heating it would have caused all of the water molecules to evaporate, leaving behind an anhydrous substance.
However, the residue created a yellow-brown solution after being further dissolved in water, which is a certain sign of contaminants. When dissolved in water, true hydrates always produce a clear, colourless solution. Thus, the fact that the residue resulted in a coloured solution implies that the compound had impurities.
Together, the water stains and contaminants in the leftovers indicate that the original substance was not a genuine hydrate, but rather a mixture of the anhydrous substance and water, which may have been non-stoichiometrically trapped inside the crystal lattice or adsorbed onto the surface of the crystals.
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Which observations support the law of conservation of mass for electrolytic decomposition of
water
Answer:
1. The total masses of the products (hydrogen and oxygen gases) is equal to the mass of the water that was decomposed.
2. The number of atoms of each element in the reactants is equal to the number of atoms of each element in the products.
3. The total charge of the reactants is equal to the total charge of the products.
Explanation: water.
2KClO3-2KCl+3O2 how many moles of O2 can be produced by decomposing 12 moles of KClO3?
18 moles of oxygen can be produced by decomposing 12 moles of KClO₃.
How many moles are produced from 12 moles of KClO₃?The balanced chemical equation for the decomposition of KClO₃ is:
2KClO₃ → 2KCl + 3O₂
According to the equation, for every 2 moles of KClO₃ decomposed, 3 moles of O₂ are produced. So, to determine how many moles of O₂ are produced by decomposing 12 moles of KClO₃, we can use the following proportion:
2 moles KClO₃ / 3 moles O₂ = 12 moles KClO₃ / x moles O₂
where x is the number of moles of O₂ produced.
Solving for x, we get:
x = (3 moles O₂)(12 moles KClO₃) / (2 moles KClO₃)
x = 18 moles O₂
Therefore, 12 moles of KClO₃ can produce 18 moles of O₂.
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Consider the Haber-Bosch process for the synthesis of ammonia from its elements.
Calculate the theoretical yield in moles NH, from the complete reaction of 15.6
grams H₂ in the presence of excess N, gas according to the following balanced
chemical equation:
ADD FACTOR
3 H₂(g) → 2 NH,(g)
N₂(g) + 3
Answer:
The theoretical yield in moles of NH3 is 5.2 moles. This is calculated by dividing the mass of H2 (15.6 g) by the molar mass of H2 (2.016 g/mol) to get the number of moles of H2 (7.76 moles). Then, using the mole ratio from the balanced equation, we can calculate the number of moles of NH3 produced (5.2 moles).
Explanation:
How many moles are in 1.55x10^23
Answer:
0.257383555 moles
Explanation:
What element is this?
Its electron-dot structure has six dots, and its atoms bond in a one-to-one ratio with magnesium. It has the highest electronegativity in its group.
Answer:
the element is oxygen.
Explanation:
oxygen has six Valence electron which is why it's electron-dot structure also know as Lewis structure has six dots. it also has high electronegativity and form one-to-one bond with magnesium
If 5.33x10>23 molecules of hydrogen react with excess chlorine, how many grams of hydrogen chloride gas will be formed?
(b) How many liters of hydrogen chloride gas will form at STP?
This will result in the formation of 64.7 grammes of hydrogen chloride gas.
How much hydrogen chloride gas will form at STP, in terms of litres?The 22.4 litre of Cl2 C l 2 gas produces 44.8 litre of HCl gas, therefore the 22.4 litre of Cl2 C l 2 gas will make 0.050 litre of HCl gas, or 22.4 44.8 0.050 0.025 litres.
Hydrogen chloride is created when chlorine and hydrogen interact.
H2 + Cl2 → 2HCl
To convert HCl's molar mass to grammes:
Number of moles of H2 = 5.33 x 10²³ / Avogadro's number
= 5.33 x 10²³ / 6.022 x 10²³
= 0.888 moles of H2
Number of moles of HCl = 2 x number of moles of H2
= 2 x 0.888
= 1.776 moles of HCl
Mass of HCl = number of moles of HCl x molar mass of HCl
= 1.776 x 36.46 (molar mass of HCl)
= 64.7 grams of HCl
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story of a carbon molecule
Answer:
Once upon a time, there was a carbon molecule named Carl. Carl was part of a larger molecule called carbon dioxide, which was constantly moving and shifting around in the air.
One day, Carl was breathed in by a plant. The plant used the carbon in Carl's molecule to create energy through a process called photosynthesis. Carl became a part of the plant, helping it to grow and thrive.
Over time, the plant continued to grow and eventually became a tree. Carl's molecule was now a part of the tree, where it helped to create wood and other plant materials.
As the tree grew older, it eventually fell to the ground and began to decompose. Carl's molecule was released back into the air as carbon dioxide, where it joined other carbon molecules in the atmosphere.
Over time, Carl's molecule was breathed in by animals, used in photosynthesis by plants, and released back into the air as part of the natural carbon cycle. Despite the many twists and turns of its journey, Carl's molecule continued to play an important role in the cycle of life on Earth.
Explanation: