2NO(g) + O2(g) yields 2NO2(g) If the rate expression for the above reaction is k

Question

2NO(g) + O2(g) yields 2NO2(g) If the rate expression for the above reaction is k[NO]^2[O2], how much will he reaction speed increase if the concentration of NO is increased from exactly .62 moles/liter to exactly 1.75 moles/liter while the concentration of oxygen is held constant?

Explanation / Answer

the reaction is 2NO(g) + O2 (g) -------> 2NO2 (g) rate law equation is = K[NO]^2[O2] The order of reaction , in chemical kinetics, with respect to a certain reactant, is defined as the power to which its concentration term in the rate equation is raised .. so in above case order with respect to O2 is 1 ...since the power of concentration term of O2 is 1 .. and order with respect to NO is 2 since the power of concentration term of NO is 2 .. and overall order of reaction is 2 + 1 = 3..

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