The Reaction of NO and O₂ Produces NO₂ $\to$ 2 NO₂(g)
the Reaction Is Second-Order with Respect to NO(g)and

question 79

Multiple Choice

The reaction of NO and O₂ produces NO₂.
2 NO(g) + O₂(g) $\to$ 2 NO₂(g)
The reaction is second-order with respect to NO(g) and first-order with respect to O₂(g) .At a given temperature,the rate constant,k,equals 4.7 $\times$ 10² M^-2s^-1.What is the rate of reaction when the initial concentrations of NO and O₂ are 0.025 M and 0.015 M,respectively?

• A) 2.6 \(\times\) 10^-3 M/s
• B) 4.4 \(\times\) 10^-3 M/s
• C) 0.18 M/s
• D) 2.0 \(\times\) 10^-8 M/s
• E) 3.8 \(\times\) 10² M/s

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