Question detail
In a closed system at equilibrium, if the concentration of a product is decreased, predict the direction in which the equilibrium will shift. Explain your reasoning.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Reversible reactions and dynamic equilibrium
Question
In a closed system at equilibrium, if the concentration of a product is decreased, predict the direction in which the equilibrium will shift. Explain your reasoning.
Answer
The equilibrium will shift towards the products to counteract the decrease in product concentration.
Explanation
This answer demonstrates an understandingof Le chatelier's Principle, which states that a system at equilibrium will respond to oppose an imposed change. The question tests the ability to apply this principle to predict the effect of changingconcentrations. This answer is strongest when it stays anchored to The effect of changingconcentration (HT only) and directly addresses (HT only) Predict that decreasingproduct concentration shifts equilibrium towards products.
Common mistake
Misunderstanding Equilibrium Shift
Students often predict that decreasing product concentration shifts equilibrium towards reactants instead of products.
Remember that decreasing product concentration will shift the equilibrium towards the side that produces more products to counteract the change.
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