Calculate the equilibrium constant for the following reaction at room temperature, 25 ∘C∘C: CaCO3(s)→CaO(s)+CO2(g)CaCO3(s)→CaO(s)+CO2(g) Express your answer numerically to three significant figures.
Calculate the equilibrium constant for the following reaction at room temperature, 25 ∘C∘C: CaCO3(s)→CaO(s)+CO2(g)CaCO3(s)→CaO(s)+CO2(g) Express your answer numerically to three significant figures.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Calculate the equilibrium constant for the following reaction at room temperature, 25 ∘C∘C:
CaCO3(s)→CaO(s)+CO2(g)CaCO3(s)→CaO(s)+CO2(g)
Express your answer numerically to three significant figures.
Transcribed Image Text:+ Gibbs Free Energy: Equilibrium Constant
10 of 17
I Review | Constants | Periodic Table
Calcium oxide, CaO, is manufactured by decomposition
of calcium carbonate, CaCO3. in a furnace at 500 K:
Submit
CaCO3 (s)Ca0(s) + CO2(g)
The spontaneity of a reaction can be determined from
Relationship between free energy and the equilibrium constant
the free energy change for the reaction, AG
The standard free energy change, AG". and the equilibrium constant K for a reaction can be related by the following equation:
• A reaction is spontaneous when the free
AG
RT In K
energy change is less than zero.
A reaction is nonspontaneous when the
free energy change is greater than zero.
• A reaction is in equilibrium when the free
where T is the Kelvin temperature and R is equal to 8.314 J/(mol - K).
energy change is equal to zero.
Part B
The thermodynamic values from part A will be useful as you work through part B:
| ΔΗ
ASan 161.0J/(mol - K)
178.5kJ/mol
Calculate the equilibrium constant for the following reaction at room temperature, 25 °C:
CaCO; (s)Cao(s) + CO2 (8)
Express your answer numerically to three significant figures.
> View Available Hint(s)
Πναι ΑΣφ
K =
Submit
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