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(c) The experiment was repeated, but this time starting with a 4.0 mol sample of CaCO3(s). On the following graph, draw a curve showing how the pressure of CO₂(g) would change over time as the vessel is heated to 898°C and equilibrium is established. 2.00- 1.00- 0.00- Time Pressure of CO₂ (atm)

(c) The experiment was repeated, but this time starting with a 4.0 mol sample of CaCO3(s). On the following graph, draw a curve showing how the pressure of CO₂(g) would change over time as the vessel is heated to 898°C and equilibrium is established. 2.00- 1.00- 0.00- Time Pressure of CO₂ (atm)

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 93QRT: A soft drink contains an unknown mass of citric acid, C3H5O(COOH)3. It requires 6.42 mL of 9.580 ×...
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For parts of the free-response question that require calculations, clearly show the method used and the steps involved in arriving at your answers. You must show your work to receive credit for your answer. Examples and equations may be included in your answers where appropriate. CaCO3(s)=CaO(s)+CO,(g) When heated strongly, solid calcium carbonate decomposes to produce solid calcium oxide and carbon dioxide gas, as represented by the equation above. A 2.0 mol sample of CaCO3(s) is placed in a rigid 100. L reaction vessel from which all the air has been evacuated. The vessel is heated to 898°C at which time the pressure of CO₂ (g) in the vessel is constant at 1.00 atm, while some CaCO3(s) remains in the vessel. (a) Calculate the number of moles of CO₂ (g) present in the vessel at equilibrium. B I U X² X₂ 3 22 E 0/10000 Word Limit (b) Write the expression for Kp, the equilibrium constant for the reaction, and determine its value at 898 ° C. B I U x² X₂ 22 0/10000 Word Limit
Transcribed Image Text:For parts of the free-response question that require calculations, clearly show the method used and the steps involved in arriving at your answers. You must show your work to receive credit for your answer. Examples and equations may be included in your answers where appropriate. CaCO3(s)=CaO(s)+CO,(g) When heated strongly, solid calcium carbonate decomposes to produce solid calcium oxide and carbon dioxide gas, as represented by the equation above. A 2.0 mol sample of CaCO3(s) is placed in a rigid 100. L reaction vessel from which all the air has been evacuated. The vessel is heated to 898°C at which time the pressure of CO₂ (g) in the vessel is constant at 1.00 atm, while some CaCO3(s) remains in the vessel. (a) Calculate the number of moles of CO₂ (g) present in the vessel at equilibrium. B I U X² X₂ 3 22 E 0/10000 Word Limit (b) Write the expression for Kp, the equilibrium constant for the reaction, and determine its value at 898 ° C. B I U x² X₂ 22 0/10000 Word Limit
(c) The experiment was repeated, but this time starting with a 4.0 mol sample of CaCO3(s). On the following graph, draw a curve showing how the pressure of CO2(g) would change over time as the vessel is heated to 898° C and equilibrium is established. 2.00- 1.00- 0.00+ 0 Time BI U Pressure of CO₂ (atm) X² X₂ 3 Ć III
Transcribed Image Text:(c) The experiment was repeated, but this time starting with a 4.0 mol sample of CaCO3(s). On the following graph, draw a curve showing how the pressure of CO2(g) would change over time as the vessel is heated to 898° C and equilibrium is established. 2.00- 1.00- 0.00+ 0 Time BI U Pressure of CO₂ (atm) X² X₂ 3 Ć III
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