Use LeChatelier's principle to predict the overall effect of the action descrived in the first column...
Use LeChatelier's principle to predict the overall effect of the action descrived in the first column of the following table upon the quantity appearing in the second coulm of the table for the following reaction at equilibrium: (22 points)
2H2SO4(aq) + 2NaBr(s) ↔ Br2(l) + SO2(g) + Na2SO4(aq) + 2H2O(l) ΔH° = +281.7 kJ/mol
Record your answer by writing increase, decrease, or no change on the line in the third column for each. (2 points each)
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Change Quantity Answer |
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(a) add some NaBr(s) moles of NaBr(s) _______________ |
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(b) increase the volume moles of SO2(g) ________________ |
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(c) increase the temperature moles of Br2(l) _________________ |
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(d) add He(g) at constant V moles of SO2(g) _________________ |
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(e) add He(g) at constant V Ptot _________________ |
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(f) remove some NaBr(s) [Na2SO4] __________________ |
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(g) add a catalyst [H2SO4] _________________ |
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(h) increase the temperature K __________________ |
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(i) add some SO2(g) moles of H2O(l) __________________ |
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(j) decrease the volume K _________________ |
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(k) add He(g) at constant Ptot [Na2SO4] __________________ |
Homework Answers
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Use LeChatelier's principle to predict the overall effect of the
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