Kinematics

# What happens to the kinetic energy of a substance molecule's at a given temperature?

###### Wiki User

As the temperature increases, the kinetic energy of the molecules will increase. As the temperature decreases, the kinetic energy of the molecules will decrease.

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## Related Questions

The faster the molecules of a substance are moving, the warmer that substance is, because temperature is really a measurement of the average kinetic energy of the molecules in a substance or object. For a substance to evaporate, or change from a liquid to a gas, it has to become warmer. That means that the kinetic energy of the molecules increases.

The average speed of the molecules of a substance determines their average kinetic energy, and temperature is the measure of the average kinetic energy of the molecules of the substance.

Increasing temperature means increased kinetic energy on the atomic or molecular level. Temperature of a given substance is the average kinetic energy of the particles of which that substance is composed.

Temperature is the measure of the average kinetic energy of the molecules in a substance.

Temperature is the measure of the average kinetic energy of the particles in a substance.

True! Temperature is the average kinetic energy of the molecules of a substance.Heat is the total kinetic energy of the molecules of a substance. See the difference?For example, if you double the amount of a substance, then you have double the heat energy, but the temperature stays the same.

Since the molecules are becoming more active, the substance heats up.

Temperature, which is the average kinetic energy of all the particles that make up a substance. :0temperature

Heat is defined as the total kinetic energy of all the atoms and molecules that make up a substance.Temperature is a measure of the average kinetic energy of the individual atoms or molecules in a substance.

Yes. In its simplest, Temperature can be defined as the average kinetic energy of molecules in a substance.

Molecules in a substance slow down when a substance is cooled. Temperature is the measure of average kinetic energy of particles. Kinetic energy is the energy of motion. So when temperature decreases, the average kinetic energy decreases, so the energy of motion decreases, and the molecule slows down.

This is false not all the molecules of a substance possess the average kinetic energy value. Temperature increases as the average kinetic energy of a gas increases.

Temperature is not a measure of the amount of heat stored in a substance. It is the measure of the kinetic energy of the molecules of a substance.

True;the higher the temperature of a substance, the faster the moecules in that substance are moving.

The average kinetic energy of the particles in a substance is its temperature.

The particles, those atoms/molecules of matter in a sample, will increase in kinetic energy as the sample is heated. Their kinetic energy will appear as vibrational energy, and the amount of vibrational energy of the atoms or molecules of a substance is directly proportional to the temperature of that substance.

Yes, it decreases. This is because the molecules of the liquid which have higher kinetic energy escape from the liquid, leaving the liquid with molecules having lower kinetic energy. The temperature of any substance is proportional to the kinetic energy of its molecules.

When a substance is heated the temperature is increased. This occurs because energy enters the substance which will increase the kinetic energy of the molecules,thus causing a rise in temperature.

Of course, because kinetic energy of molecules is directly proportional to temperature.

As heat flows into a substance, its temperature will start to rise and as temperature is a measure of the average kinetic energy of the molecules of a substance, providing heat to a substance will cause its molecules to increase their speed.

Molecules with a high temperature typically have a greater kinetic energy when compared to those with a lower temperature