A 2294 Kg Sample of Water at 0°C Is Cooled

question 74

Multiple Choice

A 2294 kg sample of water at 0°C is cooled to -36ºC,and freezes in the process.How much heat is liberated? (For water L_f = 334 kJ/kg and L_v = 2257 kJ/kg.The specific heat for ice is 2050 J/kg · K. )

• A)935,000 kJ
• B)597,000 kJ
• C)1,110,000 kJ
• D)334,000 kJ

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