CHEM-111 ( Quiz # 2)

NAME : _______________________________ ID # ______________Serial No.______

Q  1.        For the reaction

CO(g) + H₂O(g) CO₂(g) + H₂(g)     K_c = 23.2 at 600 K

If 0.250 mol each of CO and H₂O are introduced into a reaction vessel and equilibrium is established, how many moles of CO will be present?

Q 2       Consider the gaseous reaction:

CO(g) + Cl₂(g) COCl₂(g)     

What is the expression for K_p in terms of K?

            A)         K(RT)                B)         K/(RT)               C)         K(RT)²

            D)         K/(RT)² E)         1/K(RT)

Q- 3     In which of the following reactions will an increase in volume increase the amount of product?

a)       2 NO(g) N₂(g) + O₂(g)

b)       2 NOCl(g) 2 NO(g) + Cl₂(g)

c)       SO₂(g) + Cl₂(g) SO₂Cl₂(g)

d)        H₂(g) 2 H(g)

                1.                   d

2.                   a

3.                   c

4.                   b and d

5.                   a, b and d