The Second-Order Decomposition of NO₂ Has a Rate Constant of 0.255

question 36

Multiple Choice

The second-order decomposition of NO₂ has a rate constant of 0.255 L mol^-1 s^-1. How much NO₂ decomposes in 4.00 s if the initial concentration of NO₂ (1.00 L volume) is 1.33 mol L^-1?

• A) 1.8 mol
• B) 0.85 mol
• C) 0.48 mol
• D) 0.77 mol
• E) 0.56 mol

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