calculate-the-average-rate-of-appearance-of-so2-across-the-following-time-interv

Question

Calculate the average rate of appearance of SO₂ across the following time intervals all centered on t = 175 min. Identify the best estimate for the instantaneous rate of appearance of SO₂ at t = 175 min and explain why.
(i) 50 to 300 min
(ii) 150 to 200 min
(iii) 100 to 250 min
(iv) 0 to 350 min

(i) 50 to 300 min

(ii) 150 to 200 min

(iii) 100 to 250 min

(iv) 0 to 350 min

Accepted Answer

(i) 5.2×10^–5 M/min
(ii) 5.2×10^–5 M/min
(iii) 5.3×10^–5 M/min
(iv) 5.3×10^–5 M/min
Rate (ii) is the best estimate because it is measured in the closest range of time.

Answer

(i) 5.2×10^–5 M/min
(ii) 5.2×10^–5 M/min
(iii) 5.3×10^–5 M/min
(iv) 5.3×10^–5 M/min
Rate (iv) is the best estimate because it is measured in the largest range of time.

Answer

(i) 5.4×10^–5 M/min
(ii) 5.2×10^–5 M/min
(iii) 5.6×10^–5 M/min
(iv) 5.2×10^–5 M/min
Rate (ii) is the best estimate because it is measured in the closest range of time.

Answer

(i) 5.4×10^–5 M/min
(ii) 5.2×10^–5 M/min
(iii) 5.6×10^–5 M/min
(iv) 5.2×10^–5 M/min
Rate (iv) is the best estimate because it is measured in the largest range of time.

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