4 GIBBS ENERGY The following reaction happens in red blood cells CO2(g) + H2O (1) HCO3(aq) Using the following thermodynamic data (at 298.0 K) AH (kJ mol) 393.51 -285.83 CO2(g) H₂O (1) - CO (04) -699.65 Sm (IK 'mol) 213.7 69.9 187.4 (a) Calculate the standard entropy and the standard Gibbs energy of reaction at 298.0 K. Is the reaction exergonic or endergonic? (b) Using the Gibbs-Helmholtz equation, determine the standard Gibbs energy of the reaction at 310.0 K (37.0°C, body temperature). Notes Assume that the enthalpy of reaction does not change from 25.0°C to 37.0°C.

4 GIBBS ENERGY The following reaction happens in red blood cells CO2(g) + H2O (1) HCO3(aq) Using the following thermodynamic data (at 298.0 K) AH (kJ mol) 393.51 -285.83 CO2(g) H₂O (1) - CO (04) -699.65 Sm (IK 'mol) 213.7 69.9 187.4 (a) Calculate the standard entropy and the standard Gibbs energy of reaction at 298.0 K. Is the reaction exergonic or endergonic? (b) Using the Gibbs-Helmholtz equation, determine the standard Gibbs energy of the reaction at 310.0 K (37.0°C, body temperature). Notes Assume that the enthalpy of reaction does not change from 25.0°C to 37.0°C.

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter16: Thermodynamics

Section: Chapter Questions

Problem 24E: Thermite reactions have been used for welding metal parts such as railway rails and in metal...

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