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Unformatted text preview: ro. (Hint: Try the 5% rule.) (10 pts) I
E Solve for x yields: 2H2S(g) ⇄ 2H2(g) + S2(g)
Assume x is small x = 0.123 M Check to see if assumption is valid: [H2S] = 6 – (2)(0.123) = 5.75 M
10. Extra Credit. Which direction will the following reaction shift if the reaction mixture is
compressed to half of its volume? (5 pts)
2O3(g) ⇄ 3O2(g)
A decrease in volume is an increase in pressure, thus the reaction will shift in the direction of
least moles (shift to the left). Chemistry 102 Exam 1...
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