Calcium oxide (CaO), an important ingredient in cement, is produced by decomposing calcium carbonate (CaCO3) at high temperature:CaCO3(s) → CaO(s) + CO2(g)(A) In one particular reaction, 40 g of CaCO3 is heated at 450°C in a 5.0 L vessel. The pressure of CO2 is 0.12 atm after 7.0 minutes. What is the average rate of CO2 production in moles per minute during the 7 minutes? (Enter in mol/min.)(B) If you assume this rate of decomposition remains constant, how many minutes will it take for the entire sample of CaCO3 to decompose?

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Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 94QRT

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Calcium oxide (CaO), an important ingredient in cement, is produced by decomposing calcium carbonate (CaCO₃) at high temperature:

CaCO₃(s) → CaO(s) + CO₂(g)

(A) In one particular reaction, 40 g of CaCO₃ is heated at 450°C in a 5.0 L vessel. The pressure of CO₂ is 0.12 atm after 7.0 minutes. What is the average rate of CO₂ production in moles per minute during the 7 minutes? (Enter in mol/min.)

(B) If you assume this rate of decomposition remains constant, how many minutes will it take for the entire sample of CaCO₃ to decompose?

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