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Assigned problems _6

# Assigned problems _6 - 2 when equilibrium is reestablished...

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Chemistry 2080 Spring 2011 Problem Set #6 - due date: Friday March 18th at 2 pm Name:________________ Lab TA Name:__________________ Lab Day/Time:______________________ 1) Phosphorus pentachloride decomposes at elevated temperatures: PCl 5 (g) PCl 3 (g) + Cl 2 (g) An equilibrium mixture at a certain temperature consists of 3.120 g of PCl 5 , 3.845 g of PCl 3 and 1.787 g of Cl 2 in a 1.00 L flask. If you add 1.418 g of Cl 2 , how will the equilibrium be affected? What will be the concentrations PCl 5 , PCl 3 , and Cl

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Unformatted text preview: 2 when equilibrium is reestablished? 2) At 298 K the equilibrium constant for the reaction: Fe 2 O 3 (s) + 3H 2 ∏ 2Fe (s) + 3H 2 O (l) is 4.0 x 10-6 , and that for: CO 2 (g) + H 2 (g) ∏ CO (g) + H 2 O (l) is 3.2 x 10-4 . Suppose some solid Fe 2 O 3 , solid Fe, and liquid H 2 O are brought into equilibrium with CO (g) and CO 2 (g) in a closed container at 298 K. Calculate the ratio of the partial pressure of CO (g) to that of CO 2 (g) at equilibrium....
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