Question

Consider the following data for the reaction: 2SO2(g) + O2(g) ⟶ 2SO3(g) Can someone show me...

Consider the following data for the reaction:

2SO2(g) + O2(g) ⟶ 2SO3(g)

Can someone show me step by step on how to solve this?

Experiment [SO2] [O2] rate (M/s)
1 0.100 0.300 0.0600
2 0.100 0.100 0.0200
3 0.400 0.100 0.3200

The rate constant for the reaction is: (omit units)

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Homework Answers

Answer #1

order .w.r.t SO2

r1/r2 = (a1/a2)^n

(0.1/0.4) = (0.02/0.032)^n

n = 3

order .w.r.t O2

r1/r2 = (a1/a2)^n

(0.3/0.1) = (0.06/0.02)^n

n = 1

so that,

rate = k[SO2]^3[O2]

K = rate constant = rate / [SO2]^3[O2]

                           = 0.06/(0.1^3*0.3)

                            = 200

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