asked 169k views
0 votes
When long chains of carbon and hydrogen atoms break apart into smaller

chains, the temperature decreases. Which type of reaction is this?
A. Combustion
B. Endothermic
C. Replacement
D. Exothermic

2 Answers

4 votes
I believe it is exothermic
answered
User Xiaojin
by
8.0k points
7 votes

Answer:

Endothermic

Step-by-step explanation:

answered
User Araxia
by
8.9k points
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