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Question: In a study of the system, Cl2(g) + Br2(g) 2BrCl(g),several different reaction mixtures were prepared, placed in a15.00 Ã— 10â€“3 m3 container, and allowed to reach equilibrium at 350K. Despite having different starting compositions, three of thefour mixtures had an identical composition at equilibrium. Whichone of the systems has a different equilibrium composition than theothers?
Select 1:
a. System 1: 0.100 moles of Cl2, 0.000 moles of Br2 and 0.600moles of BrCl
b. System 2: 0.250 moles of Cl2, 0.150 moles of Br2 and 0.300moles of BrCl
c. System 3: 0.400 moles of Cl2, 0.300 moles of Br2 and 0.000moles of BrCl
d. System 4: 0.300 moles of Cl2, 0.250 moles of Br2 and 0.250moles of BrCl

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4.0 Ratings (672 Votes)

System 1 For the reaction 2BrClBr2Cl2 Let x moles of Cl2 formed to reach equilibrium So at equilibrium Cl2 01x Br2 x and ClBr 062x Kc Br2Cl2 BrCl2 x01x 062x2 0142 when solved x 0105 So moles at equilibrium Cl2 010105 0205 Br20105 See Answer

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