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March 26, 2017

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what is the molar enthalpy change when 147 g of water cools from 90.0 degrees C to 17.0 degrees C

  • chemistry - ,

    q = mass H2O x specific heat H2O x (Tfinal-Tinitial).
    I would convert gH2O to mols (147/18).
    Use specific heat in J/mol = about 75.

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