Question detail
A student draws a tangent to a product‑vs‑time curve at 10 s and finds a slope of 0.5 g s⁻¹. What is the most accurate interpretation?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Rate of reaction
Question
- A. The reaction will produce 0.5 gof product in the next second.
- B. The reaction is proceedingat 0.5 gs⁻¹ at 10 s.
- C. The reaction will stop after 0.5 gof product is formed.
- D. The reaction rate will double after 10 s.
Answer
The reaction is proceedingat 0.5 gs⁻¹ at 10 s.
Explanation
The correct answer is The reaction is proceedingat 0.5 gs⁻¹ at 10 s.. This answer directly addresses the question: A student draws a tangent to a product‑vs‑time curve at 10 s and finds a slope of 0.5 g s⁻¹. What is the most accurate interpretation? 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 Tangents
Students often incorrectly draw tangents that do not touch the curve at the point of interest, leading to inaccurate rate estimates.
Ensure the tangent line touches the curve at the specific time point and is drawn so that it represents the slope accurately at that moment.
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