Multiple Choice
A factor that decreases the activation energy for a reaction:
I.decreases the rate constant
II.increases the rate constant
III.has no effect on the rate constant
IV.increases the product yield
V.might be a catalyst
A) I and IV
B) II and IV
C) I,IV,and V
D) IV and III
E) II and V
Correct Answer:

Verified
Correct Answer:
Verified
Q61: If a reaction is first order with
Q62: The reaction has the rate law Rate
Q63: The first-order reaction,SO<sub>2</sub>Cl<sub>2</sub> → SO<sub>2</sub> + Cl<sub>2</sub>,has
Q64: For a reaction that follows the general
Q65: For the reaction: 2 N<sub>2</sub>O<sub>5</sub>(g)→ 4 NO<sub>2</sub>(g)+
Q67: The elementary reaction <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5343/.jpg" alt="The elementary
Q68: The rate of disappearance of HBr in
Q69: For the reaction: 2 N<sub>2</sub>O<sub>5</sub>(g)→ 4 NO<sub>2</sub>(g)+
Q70: In the first-order,reaction A → products,[A] =
Q71: If increasing the concentration of A in