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dago

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how much heat is needed to change 20g mercury at 20c into mercury vapor at the boiling point

  • Chemistry? - ,

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  • dago - ,

    What does dago tell us about the subject?
    q1 = heat to move temperature Hg from 20 C to boiling point.
    q1= mass Hg x specific heat Hg x (Tfnal-20).
    q2 = heat to vaporize Hg.
    q2 = mass Hg x heat vaporization.

    total heat = q1 + q2.
    Post your work if you need further assistance.

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