Carbonyl chloride, COCl2, also called phosgene, was used in World War I as a poisonous gas.  The equilibrium concentrations for the reaction between carbon monoxide and molecular chlorine to form carbonyl chloride CO (g) + Cl2 (g) ⇌ COCl2 (g) at 74°C are as follows: Substance   Equilibrium Concentration (M) CO   1.2 × 10-2 Cl2   0.054 COCl2   0.14 Calculate Kc.  Report your answer to 2 significant figures.  If you choose you report your answer in scientific notation, use the format of 6.022E23 for 6.022 × 1023.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 74QRT
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  1. Carbonyl chloride, COCl2, also called phosgene, was used in World War I as a poisonous gas.  The equilibrium concentrations for the reaction between carbon monoxide and molecular chlorine to form carbonyl chloride

    CO (g) + Cl2 (g) ⇌ COCl2 (g)

    at 74°C are as follows:

    Substance   Equilibrium Concentration (M)
    CO   1.2 × 10-2
    Cl2   0.054
    COCl2   0.14


    Calculate Kc.  Report your answer to 2 significant figures.  If you choose you report your answer in scientific notation, use the format of 6.022E23 for 6.022 × 1023.

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