The balanced equation for the reaction of ethanol and oxygen is the following. 2 C₂H5OH(g) + 6 0₂(g) → 4 CO₂(g) + 6 H₂O(g) The standard molar entropies for the products and reactants are listed below. Calculate the change in standard molar entropy for this reaction at 298.0 K and standard pressure, in J/mol-K. (Enter your answer to the tenths place. Include the sign of the value in your answer.) 4.0✓ J/mol-K Compound S° (J/mol-K) C₂H5OH(g) 0₂(9) CO₂(g) H₂O(g) 281.6 205.2 213.8 188.8

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Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.120QP
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The balanced equation for the reaction of ethanol and oxygen is the following.
2 C₂H5OH(g) + 6 0₂(g) → 4 CO₂(g) + 6 H₂O(g)
The standard molar entropies for the products and reactants are listed below. Calculate the change in standard molar entropy for this reaction at 298.0 K and standard pressure, in J/mol.K.
(Enter your answer to the tenths place. Include the sign of the value in your answer.)
J/mol-K
Compound S° (J/mol-K)
C₂H5OH(g)
281.6
0₂(9)
205.2
CO₂(g)
213.8
H₂O(g)
188.8
Transcribed Image Text:The balanced equation for the reaction of ethanol and oxygen is the following. 2 C₂H5OH(g) + 6 0₂(g) → 4 CO₂(g) + 6 H₂O(g) The standard molar entropies for the products and reactants are listed below. Calculate the change in standard molar entropy for this reaction at 298.0 K and standard pressure, in J/mol.K. (Enter your answer to the tenths place. Include the sign of the value in your answer.) J/mol-K Compound S° (J/mol-K) C₂H5OH(g) 281.6 0₂(9) 205.2 CO₂(g) 213.8 H₂O(g) 188.8
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