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Homework Help: Latent heat/ stoichiometry

  1. Dec 13, 2012 #1
    A styrofoam cup contains 2.00x10^2 g of water at 21.0°C. A student adds 60.0g of ice at 0°C into this cup. Determine the mass of ice in the cup when the ice-water mixture reaches equilibrium.

    Qcold = -Qhot

    no idea where to start
  2. jcsd
  3. Dec 14, 2012 #2


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    Staff: Mentor

    Can you try to describe (in words) what will be happening?
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