Use Hess's Law and the three reactions, below, to calculate the standard enthalpy of reaction (AH°rx rxn for the coal gasification process given in Eq #0: Eq #0 20(s) + 2H2O(9) → CH4(9) + CO2(9) [ Select ] ΔΗ , kJ rxn Eq #1 C(s) + H20(9) → CO(g) + H2(9); ΔΗΟ rxn = +131.3 kJ Eq #2 CO(g) + H20(9) → CO2(9) + H2(9); ΔΗΟ rxn = -41.2 kJ Eq #3 CO) + 3H2(9) CH4(9) + H2O(g); ΔΗ rxn = -206.1 kJ
Use Hess's Law and the three reactions, below, to calculate the standard enthalpy of reaction (AH°rx rxn for the coal gasification process given in Eq #0: Eq #0 20(s) + 2H2O(9) → CH4(9) + CO2(9) [ Select ] ΔΗ , kJ rxn Eq #1 C(s) + H20(9) → CO(g) + H2(9); ΔΗΟ rxn = +131.3 kJ Eq #2 CO(g) + H20(9) → CO2(9) + H2(9); ΔΗΟ rxn = -41.2 kJ Eq #3 CO) + 3H2(9) CH4(9) + H2O(g); ΔΗ rxn = -206.1 kJ
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.86QE: One of the components of jet engine fuel is n-dodecane, C12H26(), which has a standard enthalpy of...
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![Use Hess's Law and the three reactions, below, to calculate the standard enthalpy of reaction (AH°rxn
for the coal gasification process given in Eq #0:
Eq #0 20(s) + 2H2O(g)
→ CH49) + CO2(9)
[ Select ]
ΔΗ ,
%D
rxn
kJ
Eq #1
C(s) + H2O(9)
→ CO(g) + H2(g);
ΔΗ,
rxn = +131.3 kJ
Eq #2
CO(9) + H20(9)
→ CO2(9) + H2(g);
ΔΗΟ
rxn = -41.2 kJ
Eq #3
CO(g) + 3H2(9)
CH4(9) + H2O(9);
>
ΔΗΟ
rxn = -206.1 kJ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb99220ad-d702-4943-b904-ec3abe399c73%2F669940d9-d82b-4d0f-a0bb-e21230a72a07%2Fbkawc9a_processed.png&w=3840&q=75)
Transcribed Image Text:Use Hess's Law and the three reactions, below, to calculate the standard enthalpy of reaction (AH°rxn
for the coal gasification process given in Eq #0:
Eq #0 20(s) + 2H2O(g)
→ CH49) + CO2(9)
[ Select ]
ΔΗ ,
%D
rxn
kJ
Eq #1
C(s) + H2O(9)
→ CO(g) + H2(g);
ΔΗ,
rxn = +131.3 kJ
Eq #2
CO(9) + H20(9)
→ CO2(9) + H2(g);
ΔΗΟ
rxn = -41.2 kJ
Eq #3
CO(g) + 3H2(9)
CH4(9) + H2O(9);
>
ΔΗΟ
rxn = -206.1 kJ
Expert Solution
Step 1
The reaction for the coal gasification is,
2C(s) + 2H2O(g) ---> CH4(g) + CO2(g)
The three reactions are,
1) C(s) + H₂O(g) → CO(g) + H₂(g) ΔΗ1 = +131.3 kJ
2) CO(g) + H₂O(g) → CO2(g) + H2(g) ∆H2 = -41.2 kJ
3) CO(g) + 3H2(g) →CH4(g) + H₂O(g). ∆H3 = -201.6 kJ
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