The gas-phase reaction is known to proceed through a single elementary step

CHEMISTRY · Single correct · AP · Chemistry · Kinetics · Kinetics

Problem

The gas-phase reaction 2 NO(g)+O2(g)⟶2 NO2(g)2\,\text{NO}(g)+\text{O}_2(g)\longrightarrow2\,\text{NO}_2(g) is known to proceed through a single elementary step. Which rate law is most consistent with this information? (a) rate = k[NO][O2]k[\text{NO}][\text{O}_2] (b) rate = k[NO][O2]2k[\text{NO}][\text{O}_2]^{2} (c) rate = k[NO]2[O2]k[\text{NO}]^{2}[\text{O}_2] (d) rate = k[NO]3[O2]k[\text{NO}]^{3}[\text{O}_2]

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