Which of the following can be used to increase activation energy in a chemical reaction?

A. Addition of heat
B. Removing of a catalyst
C. Decreasing the pressure
D. Addition of oxygen


A. Correct. Activation energy can be accomplished by adding heat, adding a catalyst, or increasing the number of collisions between molecules.
B. Incorrect. Activation energy can be accomplished by adding heat, adding a catalyst, or increasing the number of collisions between molecules.
C. Incorrect. Activation energy can be accomplished by adding heat, adding a catalyst, or increasing the number of collisions between molecules.
D. Incorrect. Activation energy can be accomplished by adding heat, adding a catalyst, or increasing the number of collisions between molecules.

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