Question

1. In which of the following reactions will K_c = K_p?

A)	2 SO2(g) + O2(g) ⇌ 2 SO3(g)

B)	4 NH3(g) + 3 O2(g) ⇌ 2 N2(g) + 6 H2O(g)

C)	SO3(g) + NO(g) ⇌ SO2(g) + NO2(g)

D)	2 N2(g) + O2(g) ⇌ 2 N2O(g)

E)

None of the above reactions have K_c = K_p

2. The reaction below has a K_p value of 3.3 × 10^-5. What is the value of K_c for this reaction at 700 K?
2 SO₃(g) ⇌ 2 SO₂(g) + O₂(g)

A)	1.9 × 10-3

B)

1.7 × 106

C)	3.3 × 10-5

D)

3.0 × 104

E)	5.7 × 10-7

3. Chemical equilibrium is the result of

A)	all of the reactants being converted into products.

B)	formation of products equal in mass to the mass of the reactants.

C)	stoppage of further reaction.

D)	a loss of pressure in the system.

E)	opposing reactions attaining equal rates.

Answer 1