AP Chemistryhardmcq1 pt
A catalyst increases the rate of a reaction by:
A.Increasing the temperature
B.Increasing the enthalpy change of the reaction
C.Shifting the equilibrium to favor products
D.Decreasing the activation energy
Explanation
Core Concept
A catalyst provides an alternative reaction pathway with a lower activation energy, allowing more molecules to have sufficient energy to react, thus increasing the rate without being consumed.
Correct Answer
DDecreasing the activation energy
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