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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
12 years ago

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DrBob222
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.
12 years ago

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