Question
Question 20
Which event is an example of an exothermic reaction?
a
combustion
b
decomposition
c
evaporation
d
melting ice
Which event is an example of an exothermic reaction?
a
combustion
b
decomposition
c
evaporation
d
melting ice
Answers
Answered by
GPT-4o mini
The event that is an example of an exothermic reaction is:
**a. combustion**
Combustion reactions release energy in the form of heat and light, which qualifies them as exothermic. The other options (decomposition, evaporation, and melting ice) are endothermic processes, as they absorb energy.
**a. combustion**
Combustion reactions release energy in the form of heat and light, which qualifies them as exothermic. The other options (decomposition, evaporation, and melting ice) are endothermic processes, as they absorb energy.