For the reaction CACO3(s)- → CaO(s) + CO2(g) AG° = 137.0 kJ and AH = 178.3 kJ at 257 K and 1 atm. This reaction is (reactant, product) favored under standard conditions at 257 K. The entropy change for the reaction of 2.36 moles of CaCO3(s) at this temperature would be J/K.

For the reaction CACO3(s)- → CaO(s) + CO2(g) AG° = 137.0 kJ and AH = 178.3 kJ at 257 K and 1 atm. This reaction is (reactant, product) favored under standard conditions at 257 K. The entropy change for the reaction of 2.36 moles of CaCO3(s) at this temperature would be J/K.

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy

Section18.5: Entropy Changes And Spontaneity

Problem 3RC

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Question

For the reaction
CACO3(s) –→CaO(s) + CO2(g)
AG° = 137.0 kJ and AH° = 178.3 kJ at 257 K and 1 atm.
%3D
This reaction is (reactant, product)
favored under standard conditions at 257 K.
The entropy change for the reaction of 2.36 moles of CACO3(s) at this temperature would be
J/K.

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