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Calculate enthalpy change on freezing 1 ...

Calculate enthalpy change on freezing 1 mol water at `10^(@)C` to ice at `-10^(@)C. Delta_("fus")H= 6.03 " kJ mol"^(-1) " at " 0^(@)C`.
`C_(p)[H_(2)O(l)]= 75.3 " J. mol"^(-1). K^(-1)`,
`C_(p)[H_(2)O(s)]= 36.8 " J mol"^(-1). K^(-1)`.

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