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CHEMISTRY

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How much heat energy is needed to convert 125.0g of ice from -27.0ºC to a liquid at 50.0ºC?

  • CHEMISTRY - ,

    q1 = heat need to raise T from -27 C to zero C.
    q1 = mass ice x specific heat ice x (Tfinal-Tinitial).

    q2 = neat to convert ice at zero C to liquid water at zero C.
    q2 = mass ice x heat fusion.

    q3 = heat to raise T of liquid water from zero C to 50 C
    q3 = mass x specific heat x (Tfinal-Tinitial)
    Total Q = q1 + q2 + q3

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