. Evaporation of water is
A: a process in which neither heat is evolved nor absorbed
B: a process accompanied by chemical reaction
C: an exothermic change
D: an endothermic change
Best Answer
Explanation:
- In the process of evaporation of water, water is first taken to a temperature of then the water receives the energy needed to convert the liquid molecules into vapor molecules.
- Therefore, in both processes, temperature increase and phase change energy are required. And since then, any reaction requiring energy is an endothermic process.
Final answer:
The correct option is D: an endothermic change
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