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If the volume of the vessel in which the...

If the volume of the vessel in which the reaction, `2NO(g)+O_(2)(g)=2NO_(2)(g)` is occurring, is diminished to one third of its initial volume, the rate of the reaction will be increased by (here, g = gas)

A

3 times

B

9 times

C

27 times

D

36 times

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