WCB Quiz: Driving Force for Reactions - DG, D G^o_stab, D G_conc,

1. Consider the reaction HCl+H₂0 --> H₃O⁺ + Cl^-. At t=0, 0.1 mol of HCl is added to 1L of water. At t=0, which favors the forward reaction? (For all questions, R/P means Reactants and Products)

a. both relative concentration of R/P AND relative reactivity of R/P.

b. neither relative concentration of R/P or relative reactivity of R/P.

c. relative concentration of R/P alone.

d. relative reactivity of R/P alone.

2. For the reaction in 1, which favors the forward reaction at equilibrium?

a. relative concentration of R/P alone.

b. relative reactivity of R/P alone.

c. both relative concentration of R/P AND relative reactivity of R/P.

d. neither relative concentration of R/P or relative reactivity of R/P.

3. For the reaction in 1, which favors the forward reaction at t=0?

a. ΔG_conc, alone

b. ΔG^o_stab alone

c. both ΔG^o_stab and ΔG_conc.

d. neither ΔG^o_stab and ΔG_conc.

4. For the reaction in 1, which favors the forward reaction at equilibrium?

a. ΔG_conc alone

b. ΔG^o_stab alone

c. both ΔG^o_stab and ΔG_conc.

d. neither ΔG^o_stab and ΔG_conc.

5. Consider the reaction CH₃COOH +H₂0 --> H₃O⁺ + CH₃COO^-. At t=0, 0.1 mol of CH₃COOH is added to 1L of water. At t=0, which favors the forward reaction?

a. relative reactivity of R/P alone.

b. relative concentration of R/P alone.

c. both relative concentration of R/P AND relative reactivity of R/P.

d. neither relative concentration of R/P or relative reactivity of R/P.

6. For the reaction in 5, which favors the forward reaction at equilibrium?

a. relative reactivity of R/P alone.

b. both relative concentration of R/P AND relative reactivity of R/P.

c. relative concentration of R/P alone

d. neither relative concentration of R/P or relative reactivity of R/P.

7. For the reaction in 5, which favors the forward reaction at t=0?

a. ΔG_conc alone

b. ΔG^o_stab alone

c. both ΔG^o_stab and ΔG_conc.

d. neither ΔG^o_stab and ΔG_conc.

8. For the reaction in 5, which favors the forward reaction at equilibrium?

a. ΔG_conc alone

b. ΔG^o_stab alone

c. both ΔG^o_stab and ΔG_conc.

d. neither ΔG^o_stab and ΔG_conc.