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
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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![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb8eaeb6c-bcc8-4b2a-b2a6-9ab84e3ccd97%2Fbe79ffa1-c570-4966-94ed-e225b1eafb3b%2F0ps5wgk_processed.png&w=3840&q=75)
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb8eaeb6c-bcc8-4b2a-b2a6-9ab84e3ccd97%2Fbe79ffa1-c570-4966-94ed-e225b1eafb3b%2F3t2cphc_processed.png&w=3840&q=75)
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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