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In an Experiment, 10 Δ\Delta Hvap = 2,260 J/g; Δ\Delta Hfus = 334 J/g; Cs(ice) = 2

Question 86

Multiple Choice

In an experiment, 10.0 g of ice at -20°C is converted into steam with a temperature of 110°C. How much energy is required for this process?
Δ\Delta Hvap = 2,260 J/g; Δ\Delta Hfus = 334 J/g; cs(ice) = 2.06 J/(g . °C) ; cs(water) = 4.18 J/(g . °C) ; Cs(steam) = 1.99 J/(g . °C) )


A) 30.7 kJ
B) 26.8 kJ
C) 34.9 kJ
D) 30.3 kJ
E) 38.7 kJ

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