Question

Consider the following reaction where Kc = 6.50×10-3 at 298 K.

2NOBr(g) 2NO(g) + Br2(g)

A reaction mixture was found to contain 8.70×10-2 moles of NOBr(g), 4.86×10-2 moles of NO(g), and 4.06×10-2 moles of Br2(g), in a 1.00 liter container.

Is the reaction at equilibrium?

If not, what direction must it run in order to reach equilibrium?

The reaction quotient, Qc, equals ______________?

The reaction: ___________?

A. must run in the forward direction to reach equilibrium.

B. must run in the reverse direction to reach equilibrium.

C. is at equilibrium.