Chemistry

Problem

For the reaction

\text{C(s)} + \text{CO}_2(\text{g}) \rightleftharpoons 2\text{CO(g)}

the partial pressure of CO and

\text{CO}_2

are 2.0 and 4.0 atm. respectively at equilibrium. The

K_p

for the reaction is (1) 0.5 (2) 4.0 (3) 8.0 (4) 1