why do solid expands and contracts
on cooling?
Answers
Answer:
Solids expand on heating because the kinetic energy increase and the inter molecular space thus increase reducing inter molecular force of attraction. an don cooling the potential energy increases making extensive inter molecular force of attraction and less inter molecular space.
Explanation:
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Due to the movement of molecules solid expands and contracts on cooling.
Explanation:
When heat is added to the substance, the molecules and atoms will vibrate faster. The space between the atoms increases as the atoms vibrate faster. The motion and separation of the particles determines the state of matter of the substance. All solids, liquids and gasses expand when heat is added. When you cool down a solid, the molecules move more slowly and move a little closer together. Changes in the rate of movement of the particle result in changes in the volume of the substance.
To know more:
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