As a sample of water is heated, the energy is used to overcome the attractions between the molecules so that they are no longer held close together and can move in random directions. then, the kinetic energy of its molecules increases. which sections of the heating curve illustrate this process?

B. This is an example of a graph showing the phase changes of a certain material in this case water. Before A, a solid (ice) is being heated and then at A all of the energy provided or the heat provided to the solid to cause it to melt goes into breaking the bonds between the molecules of the solid. At C, the liquid (water) is heating up again and then at B the liquid is vaporizing into a gas (water vapor), which fits the description given. At D the gas is continuing to heat up and it will continue to heat up as long as heat is provided to it.

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