Ita Srxn Substance HCOOH(aq) S (J-mol K-1) . 92.0 HCOOH(1) 128.95 H2C2O4(s) 115.6 H2C2O4(aq) 45.61 CO(g) 197.6 CO₂(9) 213.6 CO,(aq) 117.6 (a) Calculate the entropy change (in J/K) for this reaction. (Assume standard thermodynamic conditions of 1.00 atm and 298.15 K. Use the given thermodynamic data.) J/K Discuss the sign of AS. The entropy change of the reaction is becomes ordered. indicating that molecular disorder is or the system (b) How do plants carry out reactions that increase the number of carbons in a sugar, given the changes in entropy for reactions like this? Plants carry out this type of reaction in conjunction with other reactions that entropy change of the universe is entropy. As long as the overall ' the coupled reactions can proceed spontaneously. Previous Next

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.86PAE: The enthalpy of vaporization for water is 40.65 kJ mol-1. As a design engineer for a project in a...
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Ita Srxn
Substance
HCOOH(aq)
S (J-mol K-1)
.
92.0
HCOOH(1)
128.95
H2C2O4(s)
115.6
H2C2O4(aq)
45.61
CO(g)
197.6
CO₂(9)
213.6
CO,(aq)
117.6
(a) Calculate the entropy change (in J/K) for this reaction. (Assume standard thermodynamic conditions of 1.00 atm and
298.15 K. Use the given thermodynamic data.)
J/K
Discuss the sign of AS.
The entropy change of the reaction is
becomes
ordered.
indicating that molecular disorder is
or the system
(b) How do plants carry out reactions that increase the number of carbons in a sugar, given the changes in entropy for reactions
like this?
Plants carry out this type of reaction in conjunction with other reactions that
entropy change of the universe is
entropy. As long as the overall
'
the coupled reactions can proceed spontaneously.
Previous
Next
Transcribed Image Text:Ita Srxn Substance HCOOH(aq) S (J-mol K-1) . 92.0 HCOOH(1) 128.95 H2C2O4(s) 115.6 H2C2O4(aq) 45.61 CO(g) 197.6 CO₂(9) 213.6 CO,(aq) 117.6 (a) Calculate the entropy change (in J/K) for this reaction. (Assume standard thermodynamic conditions of 1.00 atm and 298.15 K. Use the given thermodynamic data.) J/K Discuss the sign of AS. The entropy change of the reaction is becomes ordered. indicating that molecular disorder is or the system (b) How do plants carry out reactions that increase the number of carbons in a sugar, given the changes in entropy for reactions like this? Plants carry out this type of reaction in conjunction with other reactions that entropy change of the universe is entropy. As long as the overall ' the coupled reactions can proceed spontaneously. Previous Next
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