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Chem 2 enthalpy

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How much heat is evolved when 25.5 g of benzene freezes at 5.5 Celcius (molar heat of fusion is 9.94 kJ/mol and molar mass of benzene= 78.0 g/mol)

  • Chem 2 enthalpy - ,

    q = mass x delta Hfusion.
    Change 25.5 g to moles. moles = grams/molar mass.

    Note the correct spelling of celsius.

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