From the following reacțions and thermal data at 25°c 3 2 Fe(s) + O2(g) = Fe,Oa(s) AH° = -196,500 cal 1 2 FeO(s) +0:(g) = Fe;Oa(s) (s) + 2 H* (a ΔΗ – 67,900 cal %3D = 1) = Fe++ (a = 1) + H2(g) AH° = -21,000 cal 1 H:(g) = H+ (a = 1) AH° = 0 cal H;(g) +O:(g) = H;0(1) ΔΗ - 68,320 cal lculate AHº of the reaction: FeO(s) + 2 H+ (a = 1) = H;0(1) + Fe++ (a = 1) %3D

Chemistry for Engineering Students
4th Edition
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Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.26PAE: The following data were collected for the reaction, H2(g) + L(g) ** - HI(g), at equilibrium at 25°C:...
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18. From the following reacțions and thermal data at 25°C
3
2 Fe(s) +O:(g)
2
Fe,O:(s)
ΔΗ
- 196,500 cal
%3D
1
2 FeO(s) + ; 0:(g)
- Fe2O:(s)
AH° = -67,900 cal
Fe(s) + 2 H* (a = 1) = Fe++ (a = 1) + H2(g)
AH° = -21,000 cal
%3D
%3D
1
H:(g)
H* (a = 1)
AHº = 0 cal
%3D
Hig) +0:(g) = H;0(1)
AH° = -68,320 cal
%3D
calculate AH° of the reaction:
FeO(s) + 2 H+ (a = 1) = H;0(1) + Fe++ (a = 1)
%3D
Transcribed Image Text:18. From the following reacțions and thermal data at 25°C 3 2 Fe(s) +O:(g) 2 Fe,O:(s) ΔΗ - 196,500 cal %3D 1 2 FeO(s) + ; 0:(g) - Fe2O:(s) AH° = -67,900 cal Fe(s) + 2 H* (a = 1) = Fe++ (a = 1) + H2(g) AH° = -21,000 cal %3D %3D 1 H:(g) H* (a = 1) AHº = 0 cal %3D Hig) +0:(g) = H;0(1) AH° = -68,320 cal %3D calculate AH° of the reaction: FeO(s) + 2 H+ (a = 1) = H;0(1) + Fe++ (a = 1) %3D
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