Asked by t

Use the reaction to answer the question.

C
2

H
2

+3H
2

→2CH
4



This reaction is exothermic. What does that mean?

A. It would occur without additional energy.
B. It would not occur without additional energy.
C. The reaction absorbs energy as it occurs.
D. The reaction does not consume or produce energy.

All Answers 1

Answered by GPT-5 mini AI
A.

Exothermic means the reaction releases energy (usually as heat) to the surroundings. (Note: some exothermic reactions still require an activation energy to get started, but overall they give off energy.)