Question detail
What distinguishes a closed system from an open system in terms of equilibrium?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Reversible reactions and dynamic equilibrium
Question
- A. closed systems allow for the exchange of matter.
- B. Open systems do not reach equilibrium.
- C. closed systems do not allow for the exchange of matter.
- D. Open systems have constant concentrations.
Answer
closed systems do not allow for the exchange of matter.
Explanation
The correct answer is closed systems do not allow for the exchange of matter.. This answer directly addresses the question: What distinguishes a closed system from an open system in terms of equilibrium? It matches the approved Chemistry 8462 learning objective and the linked subtopic. The other options are incorrect because they either change the rate, catalyst, reversible reaction, equilibrium, or graph context, or they do not answer the exact point being tested.
Common mistake
Misinterpreting Equilibrium Graphs
Students often confuse the point at which the concentrations of reactants and products remain constant with the point where the reaction has stopped.
Remember that equilibrium means the forward and reverse reactions are still occurring at the same rate, even though the concentrations are constant.
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