Calcium carbonate decomposes according to the following reaction. ????3(?)⟺???(?)+??2(?)CaCO3(s)⟺Cao(s)+CO2(g) The tabulated data below was determined at 25 °C. CaCO3(s) CaO(s) CO2(g) Δ?∘?ΔHf∘ Δ?∘?ΔHf∘, kJ/mol -1206.9 -635.1 -393.5 ?∘S∘ ?∘S∘, kJ/(mol K) 0.0929 0.0382 0.2137 Δ?∘?ΔGf∘ Δ?∘?ΔGf∘, kJ/mol -1128.8 -603.5 -394.4 What is ΔG° at 25 °C for this reaction? Is the reaction spontaneous at 25 °C? What is ΔG° at 1000 °C for this reaction? Is the reaction spontaneous at 1000 °C? Calculate KP for this reaction at 25 °C and 1000 °C.
Calcium carbonate decomposes according to the following reaction. ????3(?)⟺???(?)+??2(?)CaCO3(s)⟺Cao(s)+CO2(g) The tabulated data below was determined at 25 °C. CaCO3(s) CaO(s) CO2(g) Δ?∘?ΔHf∘ Δ?∘?ΔHf∘, kJ/mol -1206.9 -635.1 -393.5 ?∘S∘ ?∘S∘, kJ/(mol K) 0.0929 0.0382 0.2137 Δ?∘?ΔGf∘ Δ?∘?ΔGf∘, kJ/mol -1128.8 -603.5 -394.4 What is ΔG° at 25 °C for this reaction? Is the reaction spontaneous at 25 °C? What is ΔG° at 1000 °C for this reaction? Is the reaction spontaneous at 1000 °C? Calculate KP for this reaction at 25 °C and 1000 °C.
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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Calcium carbonate decomposes according to the following reaction.
????3(?)⟺???(?)+??2(?)CaCO3(s)⟺Cao(s)+CO2(g)
The tabulated data below was determined at 25 °C.
| CaCO3(s) | CaO(s) | CO2(g) | |
|
Δ?∘?ΔHf∘
Δ?∘?ΔHf∘, kJ/mol |
-1206.9 | -635.1 | -393.5 |
|
?∘S∘
?∘S∘, kJ/(mol K) |
0.0929 | 0.0382 | 0.2137 |
|
Δ?∘?ΔGf∘
Δ?∘?ΔGf∘, kJ/mol |
-1128.8 | -603.5 | -394.4 |
- What is ΔG° at 25 °C for this reaction?
- Is the reaction spontaneous at 25 °C?
- What is ΔG° at 1000 °C for this reaction?
- Is the reaction spontaneous at 1000 °C?
- Calculate KP for this reaction at 25 °C and 1000 °C.
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