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Unformatted text preview: Lesson 17 2 Lesson 17 Example 3 A sample of COCl 2 is allowed to decompose. The value of K c for the reversible reaction COCl 2 ( g ) = CO ( g ) + Cl 2 ( g ) is 2.2x10 10 mol/L at 100 o C. If the initial concentration of COCl 2 is 0.095 M, what will be the equilibrium concentrations of COCl 2 , CO and Cl 2 ? Lesson 17 Example 4 For the reaction 2 CaSO 4 ( s ) = 2 CaO ( s ) + 2 SO 2 ( g ) + O 2 ( g ) at 1625 K, starting only with CaSO 4 ( s ), the total pressure at equilibrium is 0.04608 atm. What is the value of K c written with concentrations in mol/L? Lesson 17 Suggested readings 15.7 Equilibrium Calculations: Some Illustrative Examples...
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