If an Elementary Reaction Is Exothermic, Then

question 25

Multiple Choice

If an elementary reaction is exothermic, then

• A) The activation energy for the forward reaction is smaller than that for the reverse reaction.
• B) The sum of activation energies gives the value of DH for the reaction.
• C) The activation energy for the forward reaction is larger than that for the reverse reaction.
• D) The activation energy for the forward reaction is positive, and for the reverse reaction, negative.
• E) The activation energy for the forward reaction is negative, and for the reverse reaction, positive.

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