Question 1
For 2 NO
2(g)

N
2O
4(g),
Kc = [N
2O
4]/[NO
2]
2. At equilibrium there are 0.0270 mol N
2O
4 and 0.450 mol NO
2 in a 50.0-L container. What is
Kc?
◦ 0.00267
◦ 6.81
◦ 6.67
◦ 0.133
◦ 2.45
Question 2
For a reaction, the reaction quotient,
Qc>
Kc ,the reaction ________.
◦ is at equilibrium
◦ is exothermic
◦ shifts to the right
◦ shifts to the left
◦ is endothermic