Question

select the correct answer. how does the equilibrium change with the removal of hydrogen (h₂) gas from this equation? 2h₂s ⇌ 2h₂(g) + s₂(g)
a. equilibrium shifts right to produce more product.
b. equilibrium shifts left to produce more reactant.
c. equilibrium shifts right to produce less product.
d. equilibrium shifts left to produce less reactant.

Explanation:

Step1: Recall Le Chatelier's Principle

Le Chatelier's Principle states that if a stress is applied to a system at equilibrium, the system will shift in a direction that relieves the stress. The stress here is the removal of \(H_2\) gas.

Step2: Analyze the effect of removing \(H_2\)

In the reaction \(2H_2S
ightleftharpoons 2H_2(g)+S_2(g)\), removing \(H_2\) (a product) decreases the concentration of products. To relieve this stress, the system will shift in the direction that produces more products (to replenish the removed \(H_2\)). The forward reaction (towards products) is from left to right in the equation, so the equilibrium will shift right to produce more product.

Answer:

A. Equilibrium shifts right to produce more product.