Question

Consider the following reaction where Kc = 55.6 at 698 K.

H2(g) + I2(g) 2HI(g)

A reaction mixture was found to contain 2.54×10-2 moles of H2(g), 4.07×10-2 moles of I2(g) and 0.294 moles of HI(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.