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# What is the measurement of the average kinetic energy of the molecules of a substance?

Updated: 8/11/2023

Wiki User

8y ago

temperature is the average kinetic energy of a particle

Wiki User

12y ago

Wiki User

8y ago

The kinetic energy of molecules depends on the temperature.

Wiki User

9y ago

the temperture of the substance

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Q: What is the measurement of the average kinetic energy of the molecules of a substance?
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temperature

### Tempetur is the measure of the average of the kinetic energy of a substance?

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

### Temperature is not a measurement of the amount of heat?

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.

### All the molecules of a substance possess the average kinetic energy value?

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.

### What is the measure of the average kinetic energy in air?

The measurement of average kinetic energy of a substance is called its temperature.

heat

### What is the average kinetic energy of all the molecules in an object called?

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

### What is a measure of the average motion of the molecules in a substance?

When we heat a substance, the energy absorbed is converted into kinetic energy of the particles in it. The faster the particles in it vibrate, move, collide, etc. the higher the temperatureof a substance.So the expected answer is Temperature

### What happens to kinetic energy of the particles of a substance as the substance changes from a liquid to a gas?

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.

Temperature

### What cause kinetic energy to increase?

Temperature is a number that is related to the average kinetic energy of the molecules of a substance. If temperature is measured in Kelvin degrees, then this number is directly proportional to the average kinetic energy of the molecules. This differentiates it from *heat,* a different term, which is a measurement of the total energy in a substance. That total energy is made up of not only of the kinetic energies of the molecules of the substance, but total energy is also made up of the potential energies of the molecules. As temperature increases, kinetic energy increases (which makes sense, if you're putting more energy into a system, you're probably going to have more total energy).

### Molecules in a substance slow down when a substance is?

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.