if a mercury thermometer the level of mercury rises when its bulb comes in contact with a hot object.What is the reason for this rise in the level of mercury?
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The expansion of the liquid.
Molecules of mercury absorb heat energy and gain kinetic energy. They move faster and apply a greater force against the intermolecular forces. They move away from each other increasing the volume of liquid.
Molecules of mercury absorb heat energy and gain kinetic energy. They move faster and apply a greater force against the intermolecular forces. They move away from each other increasing the volume of liquid.
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