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calculate the amount of energy required to convert 55.0g of ice at -10.0°c into steam at 125°c?

  • chemstry -

    Two formulas you need.
    Within a phase:
    mass x specific heat x (Tfinal-Tinitial). For example: water from zero C to 100 C as a liquid it will be
    grams H2O x 4.184 x (100-0) = q

    At a phase change:
    melting point phase change is
    q = mass ice x heat fusion.

    boiling point phase change is
    q = mass water x heat vaporization.

    Then all all of the qs together.

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