In an Experiment,10 $\Delta$ H_vap = 2260 J/g; $\Delta$ H_fus = 334 J/g; C_p (Ice)= 2

question 10

Multiple Choice

In an experiment,10.0 g of ice at -20.0°C is converted into steam with a temperature of 110.0°C.How much energy is required for this process? [ $\Delta$ H_vap = 2260 J/g; $\Delta$ H_fus = 334 J/g; c_p (ice) = 2.06 J/(g . °C) ; c_p(water) = 4.18 J/(g . °C) ;
C_p(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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