QUIZ: 9.a Differential Rate Law

1. The following data were obtained for the reaction below. Show how you arrived at the final answer!

2 A(g) + B(g) C(g) + D(g)

Exper.	(A)	(B)	Initial Rate (M/S)
1	0.050 M	0.100 M	9.8X10^-26
2	0.100 M	0.200 M	3.9*10^-25
3	0.200 M	0.200 M	7.8*10^-25

a. Determine the order of the reaction with respect to each reactant listed below: (2pts each)

i) A ii) B

b. Write the rate law that is consistent with the calculations in part a. (1pt)

c. Calculate the rate constant, k with units. (2pts)

d. What happens to the rate constant, k, if the [A] and [B] are both double at constant temperature?(1pt)

e. In another experiment, a chemist combines 0.500 M solution of substance A to 0.500 M solution of substance B. What is the initial rate of reaction of this chemical system? (2pts)