allery100g water10°C freezes to ice0°C. cwater=4.2kJ/(kgK), Lf=334kJ/kg. Heat released?
A4.2kJ
B29.2kJ
C37.6kJ
D33.4kJ
Answer & Solution
Correct answer: C. 37.6kJ
Cooling releases 4.2kJ and freezing releases 33.4kJ, totalling 37.6kJ.
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