he following mechanism has been proposed for the gas-phase reaction of H2 with I

ID: 984417 • Letter: H

Question

he following mechanism has been proposed for the gas-phase reaction of H2 with ICl:
H2(g)+ICl(g)HI(g)+HCl(g)HI(g)+ICl(g)I2(g)+HCl(g)

Part A

Write the balanced equation for the overall reaction.

Express your answer as a chemical equation. Identify all of the phases in your answer.

Part E

If the first step is slow and the second one is fast, what rate law do you expect to be observed for the overall reaction?

Use a for [H2], b for [ICl], c for [HI], d for [HCl], k for the rate constant.

rate=

PART f

Identify any intermediates in the mechanism.

Express your answer as a chemical expression. If there is more than one answer, separate them by a comma.

part A :

H2(g) + ICl(g) ---------------> HI(g) + HCl(g)

HI(g) + ICl(g) ---------------> I2(g) + HCl(g)

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H2(g) + 2 ICl(g) ---------------> I2(g) + 2 HCl(g)

balanced equation : H2(g) + 2 ICl(g) ---------------> I2(g) + 2 HCl(g)

Part E :

rate = k [H2]1[ICl]1

rate = k [a]1[b]1

Part F :

intermediate = HI

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