A reaction mixture was found to contain 0.0381 moles of HI, 0.0471 moles of H2, and 0.0364 moles of I2 in a 1.00 L container. Is the reaction at equilibrium? And if not, what direction must it run in order to reach equilibrium?

A reaction mixture was found to contain 0.0381 moles of HI, 0.0471 moles of H2, and 0.0364 moles of I2 in a 1.00 L container. Is the reaction at equilibrium? And if not, what direction must it run in order to reach equilibrium?

Consider the following reaction where Kc = 1.18 at 150K:
2HI(g) H2(g) + I2(s)


A reaction mixture was found to contain 0.0381 moles of HI, 0.0471 moles of H2, and 0.0364 moles of I2 in a 1.00 L container. Is the reaction at equilibrium? And if not, what direction must it run in order to reach equilibrium?



a. The reaction is at equilibrium
b. The reaction must run towards the products to reach equilibrium
c. The reaction must run towards the reactants to reach equilibrium


Answer: c. The reaction must run towards the reactants to reach equilibrium


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