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had occurred ailer on lel bhe Week. Offer laiig Offer the lack of reaction. Assume that A, B, and C possible explana- are totally miscible liquids 136 Predict the signs of ΔΗ.AS, and ΔG of the system ollowing processes at 1 atm: (a) ammonia melts for the 60° C, (b) ammonia melts at-77.7°C, and (c) am at monia melts at -100°C. (The normal melting point of ammonia is -77.7°C) 4.37 Crystallization of sodium acetate from a super- saturated solution occurs spontaneously. What can you deduce about the signs of AS and AH? 4.38 A student looked up the Δ-Go,AfHo, and So values for CO2 in Appendix 2. Plugging these values into Equation 4.21, he found that ArG AH at 298 K. What is wrong with his approach? TS° 4.39 A certain reaction is spontaneous at 72°C. If the enthalpy change for the reaction is 19 kJ, what is the mininum value of Δ,S (in joules per kelvin) for the reaction? 4.40 A certain reaction is known to have a ArGo value of-122 kJ. reactants are mixed together? Will the reaction necessarily occur if the Phase Equilibria 4.41 The atures has been determined as follows: e vapor pressure of mercury at various temper

had occurred ailer on lel bhe Week. Offer laiig Offer the lack of reaction. Assume that A, B, and C possible explana- are totally miscible liquids 136 Predict the signs of ΔΗ.AS, and ΔG of the system ollowing processes at 1 atm: (a) ammonia melts for the 60° C, (b) ammonia melts at-77.7°C, and (c) am at monia melts at -100°C. (The normal melting point of ammonia is -77.7°C) 4.37 Crystallization of sodium acetate from a super- saturated solution occurs spontaneously. What can you deduce about the signs of AS and AH? 4.38 A student looked up the Δ-Go,AfHo, and So values for CO2 in Appendix 2. Plugging these values into Equation 4.21, he found that ArG AH at 298 K. What is wrong with his approach? TS° 4.39 A certain reaction is spontaneous at 72°C. If the enthalpy change for the reaction is 19 kJ, what is the mininum value of Δ,S (in joules per kelvin) for the reaction? 4.40 A certain reaction is known to have a ArGo value of-122 kJ. reactants are mixed together? Will the reaction necessarily occur if the Phase Equilibria 4.41 The atures has been determined as follows: e vapor pressure of mercury at various temper

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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had occurred ailer on lel bhe Week. Offer laiig Offer the lack of reaction. Assume that A, B, and C possible explana- are totally miscible liquids 136 Predict the signs of ΔΗ.AS, and ΔG of the system ollowing processes at 1 atm: (a) ammonia melts for the 60° C, (b) ammonia melts at-77.7°C, and (c) am at monia melts at -100°C. (The normal melting point of ammonia is -77.7°C) 4.37 Crystallization of sodium acetate from a super- saturated solution occurs spontaneously. What can you deduce about the signs of AS and AH? 4.38 A student looked up the Δ-Go,AfHo, and So values for CO2 in Appendix 2. Plugging these values into Equation 4.21, he found that ArG AH at 298 K. What is wrong with his approach? TS° 4.39 A certain reaction is spontaneous at 72°C. If the enthalpy change for the reaction is 19 kJ, what is the mininum value of Δ,S (in joules per kelvin) for the reaction? 4.40 A certain reaction is known to have a ArGo value of-122 kJ. reactants are mixed together? Will the reaction necessarily occur if the Phase Equilibria 4.41 The atures has been determined as follows: e vapor pressure of mercury at various temper
Transcribed Image Text:had occurred ailer on lel bhe Week. Offer laiig Offer the lack of reaction. Assume that A, B, and C possible explana- are totally miscible liquids 136 Predict the signs of ΔΗ.AS, and ΔG of the system ollowing processes at 1 atm: (a) ammonia melts for the 60° C, (b) ammonia melts at-77.7°C, and (c) am at monia melts at -100°C. (The normal melting point of ammonia is -77.7°C) 4.37 Crystallization of sodium acetate from a super- saturated solution occurs spontaneously. What can you deduce about the signs of AS and AH? 4.38 A student looked up the Δ-Go,AfHo, and So values for CO2 in Appendix 2. Plugging these values into Equation 4.21, he found that ArG AH at 298 K. What is wrong with his approach? TS° 4.39 A certain reaction is spontaneous at 72°C. If the enthalpy change for the reaction is 19 kJ, what is the mininum value of Δ,S (in joules per kelvin) for the reaction? 4.40 A certain reaction is known to have a ArGo value of-122 kJ. reactants are mixed together? Will the reaction necessarily occur if the Phase Equilibria 4.41 The atures has been determined as follows: e vapor pressure of mercury at various temper
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