Question

    What term describes the enthalpy change when a substance transitions from solid to liquid at its melting point?

    A Heat of fusion Correct Answer Incorrect Answer
    B Heat of vaporization Correct Answer Incorrect Answer
    C Heat of sublimation Correct Answer Incorrect Answer
    D Heat of solution Correct Answer Incorrect Answer

    Solution

    The heat of fusion is the amount of energy required to change one mole of a substance from solid to liquid at its melting point without changing its temperature. This term accurately reflects the phase change described.

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