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b. From the calculated entropy change value, what can you conclude regarding the process? c. In the reaction between hydrogen gas and chlorine gas to give hydrogen chloride gas spontaneous, under standard conditions? Predict the spontaneity based on the calculated values of enthalpy change, standard entropy, and AS°universe. + Cla 2H€lg 2(g) Standard entropy values, S° in J/mol-K: Ha = 130.7; Cl = 223.0; HCl = 186.8 Standard enthalpy of formation, AHf, for HCl = -92.3 kJ/mol %3D

b. From the calculated entropy change value, what can you conclude regarding the process? c. In the reaction between hydrogen gas and chlorine gas to give hydrogen chloride gas spontaneous, under standard conditions? Predict the spontaneity based on the calculated values of enthalpy change, standard entropy, and AS°universe. + Cla 2H€lg 2(g) Standard entropy values, S° in J/mol-K: Ha = 130.7; Cl = 223.0; HCl = 186.8 Standard enthalpy of formation, AHf, for HCl = -92.3 kJ/mol %3D

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 92QRT: The standard molar entropy of methanol vapor, CH3OH(g), is 239.8 J K1 mol-1. (a) Calculate the...
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b. From the calculated entropy change value, what can you conclude regarding the process? c. In the reaction between hydrogen gas and chlorine gas to give hydrogen chloride gas spontaneous, under standard conditions? Predict the spontaneity based on the calculated values of enthalpy change, standard entropy, and AS°universe. + Claig) 2H€I 2(g) Standard entropy values, S° in J/mol-K: 130.7; Cla = 223.0; HCl = 186.8 2(g) Standard enthalpy of formation, AHf", for HCl = -92.3 kJ/mol
Transcribed Image Text:b. From the calculated entropy change value, what can you conclude regarding the process? c. In the reaction between hydrogen gas and chlorine gas to give hydrogen chloride gas spontaneous, under standard conditions? Predict the spontaneity based on the calculated values of enthalpy change, standard entropy, and AS°universe. + Claig) 2H€I 2(g) Standard entropy values, S° in J/mol-K: 130.7; Cla = 223.0; HCl = 186.8 2(g) Standard enthalpy of formation, AHf", for HCl = -92.3 kJ/mol
Activity No. 2: Solve Me Direction: Solve the following. a. calculate the entropy change, AS"universe for the following reaction, at 25 °C. Co(g) + 2H2(g) CH3OH(1) Standard entropy, S°: cO = 197.7 J/mol-K H2ie - 130.7 J/mol-K CH,ОН, - 127.2 J/mol-K Standard enthalpy of formation, AH,°: co - -110.5 kJ/mol Ha = 0 2(g) CH;OH = -238.4 kJ/mol
Transcribed Image Text:Activity No. 2: Solve Me Direction: Solve the following. a. calculate the entropy change, AS"universe for the following reaction, at 25 °C. Co(g) + 2H2(g) CH3OH(1) Standard entropy, S°: cO = 197.7 J/mol-K H2ie - 130.7 J/mol-K CH,ОН, - 127.2 J/mol-K Standard enthalpy of formation, AH,°: co - -110.5 kJ/mol Ha = 0 2(g) CH;OH = -238.4 kJ/mol
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