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Consider the following reaction: 2C0(g) +2NO(g) → 2CO2(g) +N2(g) Vhen the standard AG: values are used to calculate the value of \Gixn at 25° C, we get -689.6 kJ . Standard thermodynamic quantities for selected substances at 25 °C Substance AH¡ (kJ/mol) | AG; (kJ/mol) | S° (J/(mol · K)) O2 (g) 03 (g) 205.2 142.7 163.2 238.9 CO(g) – 110.5 - 137.2 197.7 - | CO2 (g) - 393.5 – 394.4 213.8 N2(g) 191.6 NO(g) 91.3 87.6 210.8 NO2(g) 33.2 51.3 240.1

Consider the following reaction: 2C0(g) +2NO(g) → 2CO2(g) +N2(g) Vhen the standard AG: values are used to calculate the value of \Gixn at 25° C, we get -689.6 kJ . Standard thermodynamic quantities for selected substances at 25 °C Substance AH¡ (kJ/mol) | AG; (kJ/mol) | S° (J/(mol · K)) O2 (g) 03 (g) 205.2 142.7 163.2 238.9 CO(g) – 110.5 - 137.2 197.7 - | CO2 (g) - 393.5 – 394.4 213.8 N2(g) 191.6 NO(g) 91.3 87.6 210.8 NO2(g) 33.2 51.3 240.1

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.10QP
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Consider the following reaction: 2CO(g) + 2NO(g) → 2CO2(g) + N2(g) When the standard AG: values are used to calculate the value of AGixn at 25°C, we get -689.6 kJ . Standard thermodynamic quantities for selected substances at 25 °C Substance AH (kJ/mol) |AG; (kJ/mol) | S° (J/(mol · K)) O2 (g) O3 (g) 205.2 142.7 163.2 238.9 CO(g) - 110.5 - 137.2 197.7 - CO2(g) - 393.5 - 394.4 213.8 N2(g) 191.6 NO(g) 91.3 87.6 210.8 NO2(g) 33.2 51.3 240.1
Transcribed Image Text:Consider the following reaction: 2CO(g) + 2NO(g) → 2CO2(g) + N2(g) When the standard AG: values are used to calculate the value of AGixn at 25°C, we get -689.6 kJ . Standard thermodynamic quantities for selected substances at 25 °C Substance AH (kJ/mol) |AG; (kJ/mol) | S° (J/(mol · K)) O2 (g) O3 (g) 205.2 142.7 163.2 238.9 CO(g) - 110.5 - 137.2 197.7 - CO2(g) - 393.5 - 394.4 213.8 N2(g) 191.6 NO(g) 91.3 87.6 210.8 NO2(g) 33.2 51.3 240.1
Calculate AGxn again at 25° C, but use the equation AGixn : ΔΗΡ-ΤA S to determine the value. Express the free energy to four significant figures and include the appropriate units. HẢ AGixn – 260 KJ
Transcribed Image Text:Calculate AGxn again at 25° C, but use the equation AGixn : ΔΗΡ-ΤA S to determine the value. Express the free energy to four significant figures and include the appropriate units. HẢ AGixn – 260 KJ
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