which statement describes how vapor pressure occurs? (1 point)

a) Some molecules of a substance have high enough kinetic energy to vaporize. These molecules exert
pressure on the substance.

b) Some molecules of a substance have low enough kinetic energy to melt. These molecules exert pressure on the substance

c) Some molecules of a substance have low enough kinetic energy to vaporize. These molecules exert
pressure on the substance.

d) Some molecules of a substance have high enough kinetic energy to melt. These molecules exert pressure on the substance

Respuesta :

Some molecules in a substance have a high kinetic energy hence they are able to convert into vapor. These molecules exert pressure on the liquid surface.

We know that the molecules that compose matter are in constant random motion. The kinetic energy of all the molecules in the liquid are not the same. The molecules at the surface of the liquid posses more kinetic energy than the molecules below.

Some molecules of a substance have high enough kinetic energy to vaporize. These molecules exert  pressure on the substance.

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Answer:

Some molecules of a substance have high enough kinetic energy to vaporize. These molecules exert pressure on the substance.

Explanation: