Use the reaction to answer the question.

Question

C2H2+3H2→2CH4
C
2
H
2
+
3
H
2
→
2
CH
4

This reaction is exothermic. What does that mean?

(1 point)
Responses

It would occur without additional energy.
It would occur without additional energy.

The reaction absorbs energy as it occurs.
The reaction absorbs energy as it occurs.

It would not occur without additional energy.
It would not occur without additional energy.

The reaction does not consume or produce energy

Answer 1

An exothermic reaction is one that releases energy, usually in the form of heat, as it occurs. This means that the reaction would occur without requiring additional energy input from an external source. Therefore, the correct response is:

It would occur without additional energy.