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Multiple choice questions mechanical equivalent of heat (d) zeroth law of thermodynamics (e) all molecules make elastic collisions with each other and the. Quiz theme/title: energy and heat description/instructions this quiz is based on ap chemistry enduring understanding 5a: two systems with different temperatures that are in thermal contact will exchange energy.
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When molecules of any kind of atoms get more energy in them than they had before, they move faster, and we call that “heat” when the molecules move faster, they hit against each other and bounce apart, and so they end up further apart from each other than they were before.
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