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3. Consider a system where p = 1 bar, Cp,m(H20,s) = 37.6 JK-1, Cp,m(H20,1) = %3| 75.3 JK-1 and Cp,m(H,0,g) = 33.6 JK-1; AfusH(H20) = 6.01 kJ mol-1, and ApapH(H20) = 40.7 kJ mol-1, a) Calculate AS for taking 15 g of ice at -13 °C to water vapor at 130 °C. b) Now take the 15 g of H2O as liquid water at –3 °C and have it solidify to ice at the same temperature. Calculate AS, ASsurr and AStot: Is the process spontaneous? c) Now show that H2O (1) at 5 °C solidifying to H2O (s) at the same temperature is not spontaneous.

3. Consider a system where p = 1 bar, Cp,m(H20,s) = 37.6 JK-1, Cp,m(H20,1) = %3| 75.3 JK-1 and Cp,m(H,0,g) = 33.6 JK-1; AfusH(H20) = 6.01 kJ mol-1, and ApapH(H20) = 40.7 kJ mol-1, a) Calculate AS for taking 15 g of ice at -13 °C to water vapor at 130 °C. b) Now take the 15 g of H2O as liquid water at –3 °C and have it solidify to ice at the same temperature. Calculate AS, ASsurr and AStot: Is the process spontaneous? c) Now show that H2O (1) at 5 °C solidifying to H2O (s) at the same temperature is not spontaneous.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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3. Consider a system where p = 1 bar, Cp,m(H20,s) = 37.6 JK-1, Cp,m(H20,l) = 75.3 JK-1 and Cp,m(H20,g) = 33.6 JK-1; AfusH(H20) = 6.01 kJ mol-1, and ApapH(H20) = 40.7 kJ mol-1, a) Calculate AS for taking 15 g of ice at -13 °C to water vapor at 130 °C. b) Now take the 15 g of H2O as liquid water at –3 °C and have it solidify to ice at the same temperature. Calculate AS, ASsurr and AStot. Is the process spontaneous? c) Now show that H2O (1) at 5 °C solidifying to H2O (s) at the same temperature is not Auns, spontaneous.
Transcribed Image Text:3. Consider a system where p = 1 bar, Cp,m(H20,s) = 37.6 JK-1, Cp,m(H20,l) = 75.3 JK-1 and Cp,m(H20,g) = 33.6 JK-1; AfusH(H20) = 6.01 kJ mol-1, and ApapH(H20) = 40.7 kJ mol-1, a) Calculate AS for taking 15 g of ice at -13 °C to water vapor at 130 °C. b) Now take the 15 g of H2O as liquid water at –3 °C and have it solidify to ice at the same temperature. Calculate AS, ASsurr and AStot. Is the process spontaneous? c) Now show that H2O (1) at 5 °C solidifying to H2O (s) at the same temperature is not Auns, spontaneous.
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