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ID: 229805 • Letter: M
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marks Window Help cvg cengagenow.com RY II Cengage owLv2I Online teaching and learning nesource fr Use the References to access importaet values if aceded for this qpestion Consider the following reaction where K 6.50x10 at 298 2NOBr(g) 2N0(g) + Br2(g) A reaction mixture was found to contain 802 0'2 moles of NOBrg) 1 912 moles of Nog), and 413. ir' moles of Brag. ina l.00 li r container. Is the reaction at equilibrium? If not, what direction must it run in order to reach equilibrium? The reaction quotient, Qe, equals The reaction A. must run in the forward direction to reach equilsbrium B. must run in the reverse direction to reach equilibeium C.is at equilibrium. 1 tem attempt remaining Try Another Version Submit Answer es) 6 MacBook ProExplanation / Answer
2NOBr(g) <- - - - -> 2NO(g) + Br2(g)
Kc = [NO]2[Br2]/[NOBr]2 = 6.50×10-3
Qc = [NO]2[Br2]/[NOBr]2
Qc = (0.0191M)2(0.0413M)/(0.0802M)2
Qc = 2.34 ×10-3
Qc < Kc
Qc is not equal to Kc
Therefore,
The reaction is not at equillibrium
Qc is less than Kc
Therefore,
The reaction
A) must run in the farward direction to reach the equillibrium
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