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| 1 . |
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Calculate the equilibrium partial pressure of PCl3 in a 3.00-L vessel that was charged with 0.123 atm of PCl5. PCl5(g)  PCl3(g) + Cl2(g) (Keq = 0.0121) Online Text [Hint]
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| 2 . |
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Dinitrogen tetroxide undergoes the decomposition N2O4(g) 2NO2(g) with Keq = 5.85 x 10-3 at 25°C. If we begin with 0.100 atm dinitrogen tetroxide, what is the partial pressure of nitrogen dioxide at equilibrium? Online Text [Hint]
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| 3 . |
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This question pertains to the equilibrium
2 POCl3(g)  2PCl3(g) + O2(g)
for which  Horxn = +508 kJ.
How will the equilibrium of the reaction shift if POCl3 is added to the reaction vessel?Online Text [Hint]
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| 4 . |
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This question pertains to the equilibrium
2 POCl3(g) 2PCl3(g) + O2(g)
for which Horxn = +508 kJ.
How will the equilibrium of the reaction shift if only O2 is removed from the reaction vessel? Online Text [Hint]
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| 5 . |
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Which one of the following statements is incorrect? Online Text [Hint]
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| 6 . |
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Of the following equilibria, which one will shift to the left in response to a decrease in volume? Online Text [Hint]
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| 7 . |
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Consider the equilibrium system Fe3O4(s) + CO(g) CO2(g) + 3FeO(s), a slightly endothermic reaction at room temperature. Which of the following changes is incorrect? Online Text [Hint]
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| 8 . |
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For the endothermic reaction CaCO3(s) CaO(s) + CO2(g), which of the following actions would favor shifting the equilibrium position to form more CO2 gas? Online Text [Hint]
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| 9 . |
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Consider the following exothermic reaction: N2(g) + 3H2(g) 2NH3(g) Which of the following changes would not increase the amount of NH3 produced from given quantities of N2 and H2? Online Text [Hint]
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| 10 . |
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Consider the reaction below: 2SO3(g) 2SO2(g) + O2(g) H° = +198 kJ All of the following changes would shift the equilibrium to the left except one. Which one would not cause the equilibrium to shift to the left? Online Text [Hint]
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| 11 . |
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Consider the reaction below: CO(g) + H2O(g) CO2(g) + H2(g) H° = -41 kJ All of the following changes would shift the equilibrium to the right except one. Which one would not cause the equilibrium to shift to the right? Online Text [Hint]
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| 12 . |
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To an equilibrium mixture of 2SO2(g) + O2(g) 2SO3(g), some helium, an inert gas, is added at constant volume. The addition of helium causes the total pressure to double. Which of the following is true? Online Text [Hint]
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Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
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