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21 August, 18:23

A typical ice cube has a volume of about 16.0 cm3. Calculate the amount of energy needed to melt the ice cube. (Density of ice at 0.°C = 0.917 g/mL; molar enthalpy of fusion of ice = 6.009 kJ/mol; molar mass of H2O = 18.02 g/mol.)

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  1. 21 August, 20:08
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    6.009*10^3 / 18.016

    =4.89KJ

    so 4.89 KJ is needed
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