Question

What happens when the temperature of a substance is increased
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Answer 1

Explanation:

When the temperature of a substance is increased, i.e., if you double the Kelvin temperature of a substance, you double the average kinetic energy of its molecules. When the average kinetic energy of the molecules goes up (a rise in temperature), the average speed of the molecules increases.

Answer 2

Answer:

see the above attachment

hope it helps you friend