Question

Based on Le Chatelier's Principle in which direction will the following reaction proceed if it is already at equilibrium given the following change in conditions.

A(g) + 2B(aq) → 2C(g) ΔH_rxn = 25 kJ

The temperature is increased?

The volume of the reaction vessel is increased?

Water is added to the reaction?

Solid B is added to the flask, which subsequently dissolves in the aqueous solution increasing the concentration of B?

A catalyst is added?

Helium is pumped into the reaction flask increasing the total pressure of the system?

A. The reaction will proceed in the forward direction to reestablish equilibrium

B. The reaction will procede in the reverse direction to reestablish equilibrium

C. The reaction is still at equilibrium and will not change

Answer 1

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