Chemistry

Chemistry

Problem

For the decomposition reaction 2 NO2→2 NO+O22\,\text{NO}_2 \rightarrow 2\,\text{NO}+\text{O}_2, the rate of disappearance of NO2\text{NO}_2 is measured to be 0.040 M s−10.040\,\text{M}\,\text{s}^{-1} at a particular instant. Which of the following is the rate of appearance of O2\text{O}_2 at that same instant? a) 0.080 M s−10.080\,\text{M}\,\text{s}^{-1} b) 0.040 M s−10.040\,\text{M}\,\text{s}^{-1} c) 0.020 M s−10.020\,\text{M}\,\text{s}^{-1} d) 0.010 M s−10.010\,\text{M}\,\text{s}^{-1}

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