Questions 22-25 refer to the following information. N2O4(g) ⇄ 2 NO2(g) Kp = 3.0 at 70°C colorless br — Equilibrium Chemistry Question
Question
Questions 22-25 refer to the following information.
N2O4(g) ⇄ 2 NO2(g) Kp = 3.0 at 70°C
colorless brown
A mixture of NO2(g) and N2O4(g) is placed in a glass tube and allowed to reach equilibrium at 70°C, as represented above.
Which of the following statements best helps to explain why the contents of the tube containing the equilibrium mixture turned a lighter color when the tube was placed into an ice bath?
A.
The forward reaction is exothermic.
B.✓ Correct
The forward reaction is endothermic.
C.
The ice bath lowered the activation energy.
D.
The ice bath raised the activation energy.
💬
Still have doubts about this question?
Practice more questions like this, completely free.