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# quiz2dvb - msf365 – Quiz 2 – VANDEN BOUT –(53585 1...

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Unformatted text preview: msf365 – Quiz 2 – VANDEN BOUT – (53585) 1 This print-out should have 7 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points K c = 0 . 100 at a certain temperature for the reaction PCl 5 (g) → PCl 3 (g) + Cl 2 (g) . At equilibrium, [PCl 5 ] = 2.00 M and [PCl 3 ] = [Cl 2 ] = 1.00 M. If suddenly 1.00 M PCl 5 (g), PCl 3 (g), and Cl 2 (g) are added, calculate the equilibrium concentration of PCl 5 (g). 1. 4.35 M correct 2. 2.35 M 3. 0.65 M 4. essentially zero 5. 1.35 M Explanation: 002 10.0 points A 10.0 L vessel contains 0.0015 mole CO 2 and 0.10 mole CO. If a small amount of carbon is added to this vessel and the temperature is raised to 1000 ◦ C CO 2 (g) + C(s) ⇀ ↽ 2 CO(g) , will more CO form? The value of K c for this reaction is 1.17 at 1000 ◦ C. Assume that the volume of the gas in the vessel is 10.0 L. 1. No, the rate of the reverse reaction will increase to produce more CO 2 ....
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## This note was uploaded on 04/12/2008 for the course CH 302 taught by Professor Holcombe during the Spring '07 term at University of Texas.

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quiz2dvb - msf365 – Quiz 2 – VANDEN BOUT –(53585 1...

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