Question

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Answer 1

Answer:

a1=When a substance is heated, its molecular movement increases. Due to this, the average distance between the molecules also increases, thereby increasing the volume of the substance, i.e., expanding the substance. ... Molecules of gases have no bonding at all; therefore, gases expand the most.

Explanation:

a3-Gases expand more than liquids and solids because the molecules of gases because the molecules of gases are seperated from one another by wide spaces. When gas is heated (heat is a form of energy) its molecules began to vibrate fast and as a result begins to move away from each other

sorry but i know only 1 and 3 questions answer not all. i hope u like it

Answer 2

Answer:

This is the answer. Hope this helps but I cant send another ans