The Decomposition of N₂O₅(g) to NO₂(g) and O₂(g) Obeys First-Order

question 118

Multiple Choice

The decomposition of N₂O₅(g) to NO₂(g) and O₂(g) obeys first-order kinetics. Assume the form of the rate law is
Rate where k = 3.4 × 10^-5 s^-1 at 25°C.
-The reaction A → B + C is known to be zero order in A with a rate constant of 3.8× 10^-2 mol/L • s at 25° C. An experiment was run at 25°C where [A]₀ = 1.0 × 10^-3 M. What is the rate after 6.5 minutes?

• A) 1.0 × 10^-3 mol/L • s
• B) 3.8 × 10^-2 mol/L • s
• C) 3.8 × 10^-5 mol/L • s
• D) 3.7 × 10^-4 mol/L • s
• E) 1.5 × 10^-11 mol/L • s

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