#40 PART B ONLY. what is the overall order of the reaction? e. By what factor do
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#40 PART B ONLY. what is the overall order of the reaction? e. By what factor does the reaction rate change if [C] is doubled (and the other reactant concentrations are held constant)? 1. By what factor does the reaction rate change if the concentrations of all three reactants are doubled? I. A reaction in which A, B, and C react to form products is zero order in A, one-half order in B, and second order in C. a. Write a rate law for the reaction. b. What is the overall order of the reaction? c. By what factor does the reaction rate change if [A] is doubled (and the other reactant concentrations are held constant)? d. By what factor does the reaction rate change if [B] is doubled (and the other reactant concentrations are held constant)? e. By what factor does the reaction rate change if [C] is doubled (and the other reactant concentrations are held constant)? 1. By what factor does the reaction rate change if the concentrations of all three reactants are doubled?Explanation / Answer
Reaction is:
A + B + C ----> Products
Order of reaction with respect to reactants, A is 0, B is ½, and C is 2.
a. Rate law for the reaction is,
rate = k[A]0 [B]1/2 [C]2 = k [B]1/2 [C]2
b. Overall reaction order is sum of the orders of the reactants.
Order = 0 + ½ + 2 = 5/2 = 2.5
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