The Reaction 2N₂O₅(g) → O₂(g) + 4NO₂(g)

question 98

Multiple Choice

The reaction
2N₂O₅(g) → O₂(g) + 4NO₂(g)
Is first order in N₂O₅. For this reaction at 45° C, the rate constant k = 1.0 × 10^-5 s^-1, where the rate law is defined as
Rate
For a particular experiment ([N₂O₅]₀ = 1.0 × 10^-3 M) , calculate [N₂O₅] after 1.0 × 10⁵ s.

• A) 0
• B) 5.0 × 10^-4 M
• C) 3.7 × 10^-4 M
• D) 1.0 × 10^-3 M
• E) none of these

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