Consider the tabulated data collected for the reaction 2N2O(g) → 2N2(g) + O2(g) at 500 °C. The rate law for this reaction is rate = k[N2O]. Time (s) [N2O] (M) 0 0.2400 61.9 0.1200 123.8 0.0600 185.7 0.0300 What is the value of the rate constant at this temperature?单项选择题

A

6.73 × 10–2 s–1

B

4.86 × 10–3 s–1

C

1.94 × 10–3 s–1

D

3.88 × 10–3 s–1

E

1.12 × 10–2 s–1

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