5. On the basis of what happens on molecular level, why does evaporation lower t

ID: 1082086 • Letter: 5

Question

5. On the basis of what happens on molecular level, why does evaporation lower the temperature of a liquid? Select all that apply. The molecules with low kinetic energy are the first to evaporate. a. b. c. As the molecules evaporate, the average kinetic energy of the remaining molecules in the liquid d. As the molecules evaporate, the average kinetic energy of the remaining molecules in the liquid e. None of these are correct The molecules with high kinetic energy are the first to evaporate. decreases, lowering the temperature. increases, lowering the temperature.

Explanation / Answer

as the temperature increases the molecular kinetic energy of surface molecules increases and they get evaporates...hence the temperature of remaining substance becomes lower down..

therefore the ans. is b.

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5. On the basis of what happens on molecular level, why does evaporation lower t

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5. On the basis of what happens on molecular level, why does evaporation lower t

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