chemistry

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The molar heat of fusion for water is 6.01 kJ/mol. How much energy must be added to a 75.0-g block of ice at 0°C to change it to 75.0 g of liquid water at 0°C?
1.44 kJ
10.18 kJ
12.48 kJ
25.04 kJ

  • chemistry -

    q = mass x heat fusion = ?
    q = 75 g x (1 mol H2O/18 g) x 6.02 = ? kJ.

  • chemistry -

    45

  • chemistry -

    12.48

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