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Chemistery

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200g of water (specific heat of 4.184 Jg-1'c-1) loses 2000 J of heat. Its starting temperature is 70'C. Calculate the temperature of the water.

  • Chemistery - ,

    mass water x specific heat water x (Tfinal-Tinitial) = q = -2000 J.
    Solve for Tfinal

  • Chemistery - ,

    2000J=200g*4.184J/gC*(Tf-70C)
    solve for Tf

  • Chemistery - ,

    Calculate the heat in kilojoules needed to vaporize 2.00g of water at 100 celcius.

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