Be sure to answer all parts. The U.S. requires automobile fuels to contain a renewable component. The fermentation of glucose from corn produces ethanol, which is added to gasoline to fulfill this requirement: C6H12O6(s) → 2 C₂H₂OH(1) + 2 CO2(g) Calculate AH, AS° and AG° for the reaction at 25°C. Is the spontaneity of this reaction dependent on temperature? ΔΗ rxn =-68 AS 0 rxn AG° = J/K rxn =-227.9 The reaction is: spontaneous at all temperatures nonspontaneous at all temperatures spontaneous only at high temperatures spontaneous only at low temperatures spontaneous only in the reverse direction

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 7RQ: If you calculate a value for G for a reaction using the values of Gf in Appendix 4 and get a...
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Be sure to answer all parts.
The U.S. requires automobile fuels to contain a renewable component. The fermentation of glucose
from corn produces ethanol, which is added to gasoline to fulfill this requirement:
C6H12O6(s) → 2 C₂H₂OH(1) + 2 CO2(g)
Calculate AH, AS° and AG° for the reaction at 25°C. Is the spontaneity of this reaction dependent
on temperature?
ΔΗ
rxn
=-68
AS
0
rxn
AG°
=
J/K
rxn
=-227.9
The reaction is:
spontaneous at all temperatures
nonspontaneous at all temperatures
spontaneous only at high temperatures
spontaneous only at low temperatures
spontaneous only in the reverse direction
Transcribed Image Text:Be sure to answer all parts. The U.S. requires automobile fuels to contain a renewable component. The fermentation of glucose from corn produces ethanol, which is added to gasoline to fulfill this requirement: C6H12O6(s) → 2 C₂H₂OH(1) + 2 CO2(g) Calculate AH, AS° and AG° for the reaction at 25°C. Is the spontaneity of this reaction dependent on temperature? ΔΗ rxn =-68 AS 0 rxn AG° = J/K rxn =-227.9 The reaction is: spontaneous at all temperatures nonspontaneous at all temperatures spontaneous only at high temperatures spontaneous only at low temperatures spontaneous only in the reverse direction
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