Heat of fusion (¦¤Hfus) is used for calculations involving a phase change between solid and liquid, with no temperature change. For H2O, ¦¤Hfus=6.02 kJ/mol.

Question

Specific heat capacity (C) is used for calculations that involve a temperature change, but no phase change. For liquid water, C=4.184 J/(g⋅¡ãC).
Heat of vaporization (¦¤Hvap) is used for calculations involving a phase change between liquid and gas, with no temperature change. For H2O, ¦¤Hvap=40.7 kJ/mol.

How much heat is required to boil 85.5g of water at its boiling point?

Answer 1

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