Question

why does a gas expend on heating

Answer 1

When any substance is heated, its molecules and atoms start moving relatively faster and this causes an increase in the space between each one of them. This increase in space is more commonly referred to asexpansion. All matter, including solids, liquids and gases, expands when subjected to heat.

Answer 2

we know that the distance between partical of gas is more and more when gas is heated then it expend

Answer 3

we know that the distance between partical of gas is more and more when gas is heated then it expend