For the reaction A+B+CD+E, the initial reaction rate was measured for various in

Question

For the reaction A+B+CD+E, the initial reaction rate was measured for various initial concentrations of reactants. The following data were collected:

Part A What is the reaction order with respect to A? Express your answer as an integer. View Available Hint(s)

Part B What is the reaction order with respect to B? Express your answer as an integer. View Available Hint(s)

Part C What is the reaction order with respect to C?

Trial [A]
(mol L1) [B]
(mol L1) [C]
(mol L1) Initial rate
(mol L1 s1) 1 0.30 0.30 0.30 9.0×105 2 0.30 0.30 0.90 2.7×104 3 0.60 0.30 0.30 3.6×104 4 0.60 0.60 0.30 3.6×104

Explanation / Answer

A)

see experiment 1 and 3:

[A] doubles

[B] is constant

[C] is constant

rate becomes 4 times

so, order of A is 2

Answer: 2

B)

see experiment 3 and 4:

[A] is constant

[B] doubles

[C] is constant

rate is constant

so, order of B is 0

Answer: 0

C)

see experiment 1 and 2:

[A] is constant

[B] is constant

[C] becomes 3 times

rate becomes 3 times

so, order of C is 1

Answer: 1

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