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Part A Standard enthalpies for selected substances at 25°C Substance S° (J/(mol - K))" Calculate AS for the balanced chemical equation O2(g) 205.2 2H2S(g) + 302(g) → 2H2O(g) + 2SO2(g) SO2(g) 248.2 Express the entropy change to four significant figures and include the appropriate units. SO3(g). 256.8 H2O(g) 188.8 ? H2S(g) 205.8 ASm = Value Units You may want to reference (Pages 815 - 819) Section 18.7 while completing this problem.

Part A Standard enthalpies for selected substances at 25°C Substance S° (J/(mol - K))" Calculate AS for the balanced chemical equation O2(g) 205.2 2H2S(g) + 302(g) → 2H2O(g) + 2SO2(g) SO2(g) 248.2 Express the entropy change to four significant figures and include the appropriate units. SO3(g). 256.8 H2O(g) 188.8 ? H2S(g) 205.8 ASm = Value Units You may want to reference (Pages 815 - 819) Section 18.7 while completing this problem.

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 93QRT: The standard molar entropy of iodine vapor, I2(g), is 260.7 J Kl mol-1 and the standard molar...
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For Practice 18.5 Enhanced - with Feedback I Review Cons Part A Standard enthalpies for selected substances at 25°C Substance S° (J/(mol - K)) Calculate ASn for the balanced chemical equation O2(g) 205.2 2H2S(g) + 302(g) → 2H2O(g) + 2SO2(g) SO2(g) 248.2 Express the entropy change to four significant figures and include the appropriate units. SO3(g) 256.8 H2O(g) 188.8 ? H2S(g) 205.8 ASm Value Units You may want to reference (Pages 815 - 819) Section 18.7 while completing this problem.
Transcribed Image Text:For Practice 18.5 Enhanced - with Feedback I Review Cons Part A Standard enthalpies for selected substances at 25°C Substance S° (J/(mol - K)) Calculate ASn for the balanced chemical equation O2(g) 205.2 2H2S(g) + 302(g) → 2H2O(g) + 2SO2(g) SO2(g) 248.2 Express the entropy change to four significant figures and include the appropriate units. SO3(g) 256.8 H2O(g) 188.8 ? H2S(g) 205.8 ASm Value Units You may want to reference (Pages 815 - 819) Section 18.7 while completing this problem.
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