If the following three thermochemical equations are added together, what is the resulting equation: 2 XO2 (g) +2 CO (g) →→ 2 XO (g) + 2 CO2 (g) 2 XO (g) + 2/3 CO2(g) →→ 2/3 X3O4 (s) + 2/3 CO (g) 2/3 X3O4 (s) + 1/3 CO2 (g) →→ X2O3 (g) + 1/3 CO (g)     Question 17 options:   6 XO (g) + 2 CO2(g) →→ 2 X3O4 (s) + 2 CO (g)   2 XO2 (s) + CO (g) →→ X2O3 (s) + CO2 (g)   C (s) + 3 XO2 (g) →→ X3O4 (g) + CO2 (g)   2 X3O4 (s) + CO2 (g)  →→ 3 X2O3 (g) + CO (g)   CO (g) + XO2 (g) →→ XO (g) + CO2 (g)

Chemistry: The Molecular Science
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Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section4.6: Reaction Enthalpies For Chemical Reactions
Problem 4.9CE
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If the following three thermochemical equations are added together, what is the resulting equation:

2 XO2 (g) +2 CO (g) →→ 2 XO (g) + 2 CO2 (g)
2 XO (g) + 2/3 CO2(g) →→ 2/3 X3O4 (s) + 2/3 CO (g)
2/3 X3O4 (s) + 1/3 CO2 (g) →→ X2O3 (g) + 1/3 CO (g)

 

 

Question 17 options:

 

6 XO (g) + 2 CO2(g) →→ 2 X3O4 (s) + 2 CO (g)

 

2 XO2 (s) + CO (g) →→ X2O3 (s) + CO2 (g)

 

C (s) + 3 XO2 (g) →→ X3O4 (g) + CO2 (g)

 

2 X3O4 (s) + CO2 (g)  →→ 3 X2O3 (g) + CO (g)

 

CO (g) + XO2 (g) →→ XO (g) + CO2 (g)

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