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Which statement defines the temperature of a sample of matter?
1) Temperature is a measure of the total electromagnetic energy of the particles.
2) Temperature is a measure of the total thermal energy of the particles.
3) Temperature is a measure of the average potential energy of the particles.
4) Temperature is a measure of the average kinetic energy of the particles.

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Sagot :

Marmalid
The correct answer is D.

It is known with definition of temperature.
Temperature of a system is average energy of microscopic motions of a single particle.
It's average kinetic energy.

Temperature is a measure of the average kinetic energy of the particles in the system. Therefore, option 4 is the correct answer.

Temperature of the system is defined as the measure of the average kinetic energy of the atoms or molecules in the system. Some features of temperature are,

  • Temperature is an intensive property (independent of amount or quantity of matter).
  • Temperature is a state function (only depends on initial and final state of matter).

Thus, we can conclude that temperature is the measure of average kinetic energy of the particle in the system. Therefore, option 4 is the correct answer.

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