Question

What happens to the temperature of the remaining liquid when some if the liquid evaporates?

Answer 1

Option (B) is correct. The temperature of the remaining liquid will decrease after some liquid is evaporated.

Explanation:

The evaporation is process in which the phase of the liquid changes to the gaseous state. The evaporation process requires more amount of energy than at the energy of the liquid at its normal state.

The liquid present in a container at a particular temperature in its normal state has a less amount of energy than that required for the evaporation of the liquid from the container.

The energy required by the molecules that are evaporated is gained from the several molecules that are present around the evaporated molecules and therefore, it is said that the evaporated molecules will derive the energy from the surrounding molecules and will reduce the temperature of the other molecules in the surroundings.

Thus, Option (B) is correct. The temperature of the remaining liquid will decrease after some liquid is evaporated.

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Answer Details:

Grade: High School

Subject: Physics

Chapter: Heat transfer

Keywords:

evaporates, temperature, increase, decrease, remaining liquid, evaporation, more energy, molecules.

Answer 2

The answer is Decreasing.

This is because the molecules in the liquid slowly escapes when it undergoes the evaporation process. Molecules are no longer compact as it was during the liquid state. The average energy of the molecules is lower, causing it to decrease in temperature.