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Page 3 9. What quantity of energy does it take to convert 1.29 kg of ice at -23°C to water at 35°C? Specific heat capacities ice 2.03 J/(g oC) and liquid water 4.184 J/(g oC) vap 40.7 ku/mol; AHfus 6.02 kl/mol AH A) 680 B) 257 c) 6.04 x 104 D) 3.59 x 103 E) 742
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Answer #1

The conversion is as foll ows: ice (-23°C)」→íce(s) (0 °C)--ice(1) (0 °C)亠water (1) (35 °C) 1000gx2031/(s*C)x(0-(-23))C+ 1802

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