Use the reaction to answer the question. C2H2+3H2→2CH4 This reaction is exothermic. What does that mean? (1 point) Responses It would occur without additional energy. It would occur without additional energy. It would not occur without additional energy. It would not occur without additional energy. The reaction absorbs energy as it occurs. The reaction absorbs energy as it occurs. The reaction does not consume or produce energy.
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The correct response is: It would occur without additional energy.
Since the reaction is exothermic, it means that it releases energy as it proceeds. This often indicates that the reaction can occur spontaneously without the need for additional energy input.
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