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Does heat energy move from warmer substance to colder substance?

April 26, 2017colder energy heat substance warmer

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Does heat energy move from warmer substance to colder substance?

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Yes, always. According to the second law of thermodynamics, heat of its self can never pass from one body to a hotter body. This means that a cold thing can never use what little heat it has to warm up a hotter thing without outside help.