Refer to the following reaction: NO2(g) + CO(g) - NO(g) + CO2(g), If the reaction is second order with respect to NO2 and first order with respect to CO, what happens to the reaction rate when the concentration of both reactants is doubled? O Reaction rate is also doubled O Reaction rate increases by a factor of 4 O Reaction rate increases by a factor of 8 O Reaction rate increases by a factor of 9

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