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please show me a simple formula to solve this

find the final equilibirum temperature when 10.0 g of milk at 10.0degC is added to 1.60 * 10^2 g of coffee with a temperature of 90.0degC. assume the specific heats of coffee and milk are the same as for water (Cp,w=4.19J/g*degC), and disregard the heat capacity of the container


  • physics -

    The sum of the heats gained is zero.
    Heat gained = mass*c*(Tf-Ti)

    So here...


    If the c are the same, they divide out.
    Solve for Tf

  • physics -

    ok thnx
    i'll try it

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