Multiple Choice
A catalyst can increase the rate of a reaction ________.
A) by changing the value of the frequency factor (A)
B) by increasing the overall activation energy (Ea) of the reaction
C) by lowering the activation energy of the reverse reaction
D) by providing an alternative pathway with a lower activation energy
E) All of these are ways that a catalyst might act to increase the rate of reaction.
Correct Answer:
Verified
Correct Answer:
Verified
Q19: The reaction 2NO<sub>2</sub> → 2NO + O<sub>2</sub><br>Follows
Q29: Nitrogen dioxide decomposes to nitric oxide and
Q31: The initial concentration of reactant in a
Q32: Reaction rates are affected by reactant concentrations
Q33: At elevated temperatures, nitrogen dioxide decomposes to
Q34: Of the following, only _ is a
Q44: The concentration of S<sub>2</sub>O<sub>8</sub><sup>2-</sup> remaining at 800
Q52: The average rate of disappearance of A
Q53: A reaction was found to be second
Q71: What is the magnitude of the rate