Reversible reaction to consider: CO2(g) + H2O(l) + Na+(aq)+Cl-(aq)= HCO3(aq) +H+(aq)+Cl-(aq) Note: This reaction models atmospheric CO2...
Reversible reaction to consider:
CO2(g) + H2O(l) + Na+(aq)+Cl-(aq)= HCO3(aq) +H+(aq)+Cl-(aq)
Note: This reaction models atmospheric CO2 which dissolves in the ocean in a reversible reaction.
Answer the following questions:
1. From an equilibrium perspective, what happens to the pH of the ocean when the concentration of CO2 in the atmosphere increases?
2. What affect on equilibrium would occur if some Na is removed from the reaction?
3. If the pH of the ocean was lowered by adding a large quantity of HCL would more CO2 gas be released from the ocean?
4. In a further reaction, HCO3 reacts with Ca 2 To form calcium carbonate, which is insoluble and is used as a shell by marine organisms. What effect does this side reaction have on the equilibrium of the original reaction?
Homework Answers
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Reversible reaction to consider:
CO2(g) + H2O(l) + Na+(aq)+Cl-(aq)= HCO3(aq)
+H+(aq)+Cl-(aq)
Note: This reaction models atmospheric CO2...
10. The hydration of CO2 from the atmosphere according to the reaction CO2(g) + H2O(l) HCO3–(aq)...
10. The hydration of CO2 from the atmosphere according to the
reaction CO2(g) + H2O(l) HCO3–(aq) + H+(aq)
can be catalyzed by the enzyme carbonic anhydrase. Consider how
a catalyst works. Will the catalyst affect the rate of both the
forward and reverse reactions? Explain your reasoning.
10. The hydration of CO2 from the atmosphere according to the reaction CO2(e) + H20(1) HCO3(aq) + H+(aq) can be catalyzed by the enzyme carbonic anhydrase. Consider how a catalyst works. Will the...
Consider the following equilibrium reaction: CaCO3 (s) + CO2 (g) + H2O (l) ⇌ 2 HCO3- (aq)...
Consider the following equilibrium reaction: CaCO3 (s) + CO2 (g) + H2O (l) ⇌ 2 HCO3- (aq) + Ca2+ (aq) Which of these species should be included in the equilibrium constant expression (K) for this reaction? Select all that apply A.) Ca2+ (aq) B.) CaCO3 (s) C.) H2O (l) D.) CO2 (g) E.) HCO3- (aq)
The enzyme carbonic anhydrase catalyzes the reaction CO2(g)+H2O(l)−→−HCO3−(aq)+H+(aq).CO2(g)+H2O(l)→ HCO3−(aq)+H+(aq). In water, without the enzyme, the reaction...
The enzyme carbonic anhydrase catalyzes the reaction CO2(g)+H2O(l)−→−HCO3−(aq)+H+(aq).CO2(g)+H2O(l)→ HCO3−(aq)+H+(aq). In water, without the enzyme, the reaction proceeds with a rate constant of 0.039s−10.039 s−1 at 25°C.25 °C. In the presence of the enzyme in water, the reaction proceeds with a rate constant of 1.0×106s−11.0×106 s−1 at 25°C.25 °C. Assuming the collision factor is the same for both situations, calculate the difference in activation energies for the uncatalyzed versus enzyme- catalyzed reaction.
1- For the following reaction, Na+(aq) + OH-(aq) + H+(aq) + Cl- (aq) à Na+(aq) + Cl-...
1- For the following reaction, Na+(aq) + OH-(aq) + H+(aq) + Cl- (aq) à Na+(aq) + Cl- (aq) + H2O (l) Na+(aq) + Cl- (aq), ions not involved in the reaction, are called _________________ions. 2- For the following reaction, Na+(aq) + OH-(aq) + H+(aq) + Cl- (aq) à Na+(aq) + Cl- (aq) + H2O (l) What type of reaction is taking place? ____________________ 3- What is the mass in grams of 1.73 mol of MgBr2? __________ 4- What is the percentage composition...
Which of the following is a Brønsted-Lowry acid-base reaction? CH3CH2NH2(aq)+C6H5COOH(aq)⇄CH3CH2NH3+(aq)+C6H5COO-(aq) H2O(l)+CO2(aq)⇄HCO3-(aq)+H+(aq) Fe3+(aq)+H2O(l)⇄FeOH2+(aq)+H+(aq) HCl(aq)+Zn(s)⇄ZnCl2(aq)+H2(g)
Which of the following is a Brønsted-Lowry acid-base reaction? CH3CH2NH2(aq)+C6H5COOH(aq)⇄CH3CH2NH3+(aq)+C6H5COO-(aq) H2O(l)+CO2(aq)⇄HCO3-(aq)+H+(aq) Fe3+(aq)+H2O(l)⇄FeOH2+(aq)+H+(aq) HCl(aq)+Zn(s)⇄ZnCl2(aq)+H2(g)
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction?...
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction? anoina to aizy ona svidstils Reaction Class 1 2 iliw 15 TO15192do art sshommua bns nosgol rond dass 101 12575 gbubnium oY noi de lo enor Som 10 910 w II woy Xd on abian aningstid on naloga uzib 3 OOH 4 5 DHET 6 7 SET adus 00 9 Complex ion formation 10 11 No reaction 12 13 14 Combination 15 16 17...
10. The hydration of CO2 from the atmosphere according to the
reaction CO2(g) + H2O(l) HCO3–(aq) + H+(aq)
can be catalyzed by the enzyme carbonic anhydrase. Consider how
a catalyst works. Will the catalyst affect the rate of both the
forward and reverse reactions? Explain your reasoning.
10. The hydration of CO2 from the atmosphere according to the reaction CO2(e) + H20(1) HCO3(aq) + H+(aq) can be catalyzed by the enzyme carbonic anhydrase. Consider how a catalyst works. Will the...
What is the general class of each test reaction in the introduction? Precipitation? Acid-Base? Oxidation eduction? anoina to aizy ona svidstils Reaction Class 1 2 iliw 15 TO15192do art sshommua bns nosgol rond dass 101 12575 gbubnium oY noi de lo enor Som 10 910 w II woy Xd on abian aningstid on naloga uzib 3 OOH 4 5 DHET 6 7 SET adus 00 9 Complex ion formation 10 11 No reaction 12 13 14 Combination 15 16 17...
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