Calculate AH° and AG° for the following reactions at 25°C: a. Consider the reaction 2PBO(s) + N2 (g) → 2Pb(s) + 2NO(9) Substance AH, kJ/mol AG, kJ/mol PbO(s) NO(g) Al2 O3 (s) Fe2O3 (s) -219.4 -189.3 90.29 86.60 -1675.7 -1582.3 -825.5 -743.5 ΔΗ- kJ AG° kJ b. Consider the reaction COCI, (g) + H2O(1) → CO2 (9) + 2HC1(g) Substance AH;, kJ/mol AG;, kJ/mol CS2 (1) H2O(1) CO2 (9) H2 S(9) COC, (9) HCI(g) 89.70 65.27 -285.8 -237.1 -393.5 -394.4 -20.50 -33.33 -220.1 -205.9 -92.31 -95.30 ΔΗ' kJ AG° : kJ
Calculate AH° and AG° for the following reactions at 25°C: a. Consider the reaction 2PBO(s) + N2 (g) → 2Pb(s) + 2NO(9) Substance AH, kJ/mol AG, kJ/mol PbO(s) NO(g) Al2 O3 (s) Fe2O3 (s) -219.4 -189.3 90.29 86.60 -1675.7 -1582.3 -825.5 -743.5 ΔΗ- kJ AG° kJ b. Consider the reaction COCI, (g) + H2O(1) → CO2 (9) + 2HC1(g) Substance AH;, kJ/mol AG;, kJ/mol CS2 (1) H2O(1) CO2 (9) H2 S(9) COC, (9) HCI(g) 89.70 65.27 -285.8 -237.1 -393.5 -394.4 -20.50 -33.33 -220.1 -205.9 -92.31 -95.30 ΔΗ' kJ AG° : kJ
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section18.5: Entropy Changes And Spontaneity
Problem 1RC
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![Calculate AH° and AG° for the following reactions at 25°C:
a. Consider the reaction
2PBO(s) + N2 (g) → 2Pb(s) + 2NO(9)
Substance AH, kJ/mol AG, kJ/mol
PbO(s)
NO(g)
Al2 O3 (s)
Fe2O3 (s)
-219.4
-189.3
90.29
86.60
-1675.7
-1582.3
-825.5
-743.5
ΔΗ-
kJ
AG°
kJ
b. Consider the reaction
COCI, (g) + H2O(1) → CO2 (9) + 2HC1(g)
Substance
AH;, kJ/mol
AG;, kJ/mol
CS2 (1)
H2O(1)
CO2 (9)
H2 S(9)
COC, (9)
HCI(g)
89.70
65.27
-285.8
-237.1
-393.5
-394.4
-20.50
-33.33
-220.1
-205.9
-92.31
-95.30
ΔΗ'
kJ
AG° :
kJ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc861efe1-78ab-45bd-951a-662360c2f848%2Fafb93d09-6295-4f51-a627-1e68e6cf5ae0%2Fnwwzwqe.jpeg&w=3840&q=75)
Transcribed Image Text:Calculate AH° and AG° for the following reactions at 25°C:
a. Consider the reaction
2PBO(s) + N2 (g) → 2Pb(s) + 2NO(9)
Substance AH, kJ/mol AG, kJ/mol
PbO(s)
NO(g)
Al2 O3 (s)
Fe2O3 (s)
-219.4
-189.3
90.29
86.60
-1675.7
-1582.3
-825.5
-743.5
ΔΗ-
kJ
AG°
kJ
b. Consider the reaction
COCI, (g) + H2O(1) → CO2 (9) + 2HC1(g)
Substance
AH;, kJ/mol
AG;, kJ/mol
CS2 (1)
H2O(1)
CO2 (9)
H2 S(9)
COC, (9)
HCI(g)
89.70
65.27
-285.8
-237.1
-393.5
-394.4
-20.50
-33.33
-220.1
-205.9
-92.31
-95.30
ΔΗ'
kJ
AG° :
kJ
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