Chemistry Practice Problems Identifying Reaction Order Practice Problems Solution: Consider the reaction 2 N2O (g) → 2 N2 (g) + O2 (...

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Solution: Consider the reaction 2 N2O (g) → 2 N2 (g) + O2 (g)    rate = k [N2O]  Calculate the time required for the concentration of N2O (g) to decrease from 0.75 M to 0.33 M. The rate constant for the reaction is k = 6.8 × 10−3 s −1 1. 1.7 min 2. 0.87 min 3. 2.0 min 4. 0.92 min 5. 2.7 min

Problem

Consider the reaction

2 N2O (g) → 2 N(g) + O(g)    rate = k [N2O] 

Calculate the time required for the concentration of N2O (g) to decrease from 0.75 M to 0.33 M. The rate constant for the reaction is k = 6.8 × 10−3 s −1

1. 1.7 min

2. 0.87 min

3. 2.0 min

4. 0.92 min

5. 2.7 min