Exothermic reaction releases heat to the surroundings. Endothermic reaction absorbs heat from the surroundings. Condensation of water is an exothermic process. Evaporation of water is an endothermic process. Which option explains best why spraying water on the drive way on a hot summer day makes us feel cool?

a. During the evaporation of the sprayed water on the drive way on a hot day, heat is supplied to the air surrounding the sprayed water. From the perspective of the surroundings, the air loses heat to the evaporation process. Thus the air temperature drops down and thus we feel cool.
b. During the evaporation of the sprayed water on the drive way on a hot day, heat is supplied from the air surrounding the sprayed water. From the perspective of the sprayed water, it loses heat to the air during the evaporation process. Thus the air temperature drops down and thus we feel cool.
c. During the evaporation of the sprayed water on the drive way on a hot day, heat is supplied from the air surrounding the sprayed water. From the perspective of the sprayed water, it loses heat to the water itself during the evaporation process. Thus the air temperature drops down and thus we feel cool.
d. During the evaporation of the sprayed water on the drive way on a hot day, heat is supplied from the air surrounding the sprayed water. From the perspective of the surroundings, the air loses heat to the evaporation process. Thus the air temperature drops down and thus we feel cool.

Question

14-09-2020
Chemistry

contestada

Exothermic reaction releases heat to the surroundings. Endothermic reaction absorbs heat from the surroundings. Condensation of water is an exothermic process. Evaporation of water is an endothermic process. Which option explains best why spraying water on the drive way on a hot summer day makes us feel cool?

a. During the evaporation of the sprayed water on the drive way on a hot day, heat is supplied to the air surrounding the sprayed water. From the perspective of the surroundings, the air loses heat to the evaporation process. Thus the air temperature drops down and thus we feel cool.
b. During the evaporation of the sprayed water on the drive way on a hot day, heat is supplied from the air surrounding the sprayed water. From the perspective of the sprayed water, it loses heat to the air during the evaporation process. Thus the air temperature drops down and thus we feel cool.
c. During the evaporation of the sprayed water on the drive way on a hot day, heat is supplied from the air surrounding the sprayed water. From the perspective of the sprayed water, it loses heat to the water itself during the evaporation process. Thus the air temperature drops down and thus we feel cool.
d. During the evaporation of the sprayed water on the drive way on a hot day, heat is supplied from the air surrounding the sprayed water. From the perspective of the surroundings, the air loses heat to the evaporation process. Thus the air temperature drops down and thus we feel cool.

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pablolis67 pablolis67 · Answer 1 · 2020-09-17T02:36:25+02:00

Answer:

During the evaporation of water sprayed in the driveway on a hot day, the air surrounding the sprayed water supplies heat. From the perspective of sprayed water, it loses heat to the air during the evaporation process. Thus the air temperature drops and thus we feel fresh.

. During the evaporation of water sprayed in the driveway on a hot day, the air surrounding the sprayed water supplies heat. From the perspective of the environment, the air loses heat through the evaporation process. Thus the air temperature drops and thus we feel fresh.

Explanation:

I consider that the two options are true, since when cooling the earth with cold water, this surface loses heat by yielding to the cold aqueous medium, and in addition to that, the air that surrounds the water particles are hotter than these, it is As well as the evaporation is fulfilled and the environment loses or gives up heat to the aqueous particles in order to be able to give up energy and that the evaporation is fulfilled.