For a certain reaction, the rate = k[NO]2[O2], when the initial concentration of NO is tripled, the initial rate ___________

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1.	For a certain reaction, the rate = k[NO]2[O2], when the initial concentration of NO is tripled, the initial rate ___________
A.	Increases by a factor of nine
B.	Increases by a factor of three
C.	Increases by a factor of six
D.	Decreases by a factor of nine
Answer» B. Increases by a factor of three

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