The reaction 2NO(g) + O2(g) 2NO2(g) is second order in NO and first order in O2. When [NO] = 0.8 M and [O2] = 3.7 M, the observed rate of the reaction is 0.00022022 M/s. (a) What is the value of the rate constant? (d) What is the rate of reaction when [NO] = 0.1 M and [O2] = 0.47 M?
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![r=k[NO]^2[O_2]](/tpl/images/0747/3983/b9fab.png)
![k=\frac{r}{[NO]^2[O_2]}\\\\k=\frac{0.00022022M/s}{(0.8M)^2(3.7M)} \\\\k=\frac{9.3x10^{-5}}{M^2s}](/tpl/images/0747/3983/c4bb6.png)
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The reaction 2NO(g) + O2(g) 2NO2(g) is second order in NO and first order in O2. When [NO] = 0.8 M a...
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