Refer to the diagram below to answer questions 1-4 concerning the following hypothetical reaction:
A ß à P

1.  This reaction can be best described by which statement?

a. The reaction is irreversible

b. The reaction is reversible and favors the product

c. The reaction is reversible and favors the reactant

d. The reaction is reversible and favors the reactant and product identically.

2. The equilibrium constant, K_eq, for this reaction is

a. 0.20

b. 2.0

c. 20

d. insufficient data to determine the K_eq.

3. At which point on the time axis has the reaction reached equilibrium?

a. point a

b. point b

c. point c

d. point d

4. At time c on the graph,

a. the K_eq = 1

b. the forward reaction is favored

c. the reverse reaction is favored

d. the forward and reverse reactions are favored to the same extent

Refer to the diagram below to answer questions 5-6 concerning the following hypothetical reaction: The initial concentration of A and B are identical, and [P] and [Q] = 0 at time t=0

A + B ß à P + Q

5. This reaction can be best described by which statement?

a. The reaction is irreversible

b. The reaction is reversible and favors the product

c. The reaction is reversible and favors the reactant

d. The reaction is reversible and favors the reactant and product identically.

6. The equilibrium constant, K_eq, for this reaction is

a. 0.25

b. 0.50

c. 2.00

d. insufficient data to determine the K_eq.

7. Which statement concerning the K_eq for the reaction of HCl and water is most correct?

a. The K_eq << 1 (is much less than)

b. The K_eq >> 1 (is much greater than)

c. The K_eq = 1

d. Insufficient information given

8. Which statement concerning the K_eq for the reaction of acetic acid and water (shown below) is most correct? Acetic acid is a weak acid.

a. The K_eq << 1 (is much less than)

b. The K_eq >> 1 (is much greater than)

c. The K_eq = 1

d. Insufficient information given