Question

What happens to water as it boils?

 A.The intermolecular forces strengthen and lock the molecules in place. B.The average kinetic energy of the molecules decreases as energy is released. C.The average kinetic energy of the molecules increases as energy is absorbed. D.The energy that is absorbed overcomes the intermolecular forces that hold the molecules together.

Answer 1

C because when water boils, the water moves and absorbs heat energy and produces kinetic energy

Answer 2

As water boils ,  the average kinetic energy of the molecules increases as energy is absorbed , therefore option (d) is correct.

What do you mean by kinetic energy ?

Kinetic energy of an object is the measure of the work an object can do by virtue of its motion. Kinetic energy is a scalar quantity, and it is entirely described by magnitude alone. The SI unit of kinetic energy is Joule.

Kinetic energy can be transferred between objects and transformed into other kinds of energy. It depends on the speed and mass of the object.

Kinetic energy is given by the formula-

K.E=1/2 mv²

where,

m=mass of an object

v=velocity of an object

As water boils ,  the average kinetic energy of the molecules increases as energy is absorbed , hence , option (d) is correct.

Learn more about kinetic energy, here:

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