2. 【題組】B. For the reaction, O2(g) + 2NO(g) → 2NO2(g), the observed rate law is Rate = k[NO]2[O2] Which of the changes list below would affect the value of the rate constant k? Account for your answer. (6%)
(A)increasing the partial pressure of oxygen gas.
(B)changing the temperature. (C) using an appropriate catalyst.