Question

how dose a substance's temperature change when the average kinetic energy of its particles increase? when it decreases?

Answer 1

when the average kinetic energy increases the temperature increases as well. when the average kinetic energy decrease the temperature decreases too.

Answer 2

Substance's temperature increase with the increase in average kinetic energy and decreases with a decrease in average kinetic energy.

How does the temperature of a substance change with a change in average kinetic energy?

• The average kinetic energy of a substance's particles is proportional to the substance's temperature.
• When a substance is heated, a portion of the energy absorbed is retained inside the particles, while another portion of the energy causes the particles to move more quickly. This is observed as an increase in the substance's temperature.

                                          $K = \frac{1mv^{2}rms }{2}$                                  

K = average kinetic energy

m = mass

vᵣₘₛ  = RMS velocity

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