chemistry

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Consider the 2-step reaction mechanism
fast 2NO + H2 $ N2O+H2O
slow N2O+H2 ! N2+H2O
net 2NO + 2H2 ! N2 + 2H2O
Which of the following rate laws is cor-
rect for the given mechanism? Note that the
constant k may represent a combination of
elementary reaction rate constants.

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