Question

why the density of the substance decrease with the increase of temperature​

Answer 1

Answer:

Heating substance causes molecules to speed up and spread slightly further apart, occupying a larger volume, that results in a decrease in density.

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Answer 2

Answer:

The Inter Molecular Space increases with an increase in Temperature.

Since density is the amount of matter in a certain volume of substance , the density of the substance decrease with the increase of temperature.

Explanation:

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