The temperature of a body decreases when drops of liquid placed on it evaporate because?...
CHEMISTRY
JAMB 1997
The temperature of a body decreases when drops of liquid placed on it evaporate because?
- A. the atmospheric vapour pressure has a cooling effect on the body
- B. a temperature gradient exists between the drops of liquid and the body causing the latter to vaporate
- C. the heat of vapourization is drawn from the body causing it to cool
- D. the random motion of the liquid molecules causes a cooling effect on the body
Correct Answer: C. the heat of vapourization is drawn from the body causing it to cool
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