Question

Two chemicals SO2 and O2, vital to the contact process, are mixed and

Equilibrium is established:

2SO2 (g) + O2 (g) ⇌ 2SO3 (g)

- Which statement does not describe the conditions of that process?

(a) The rate of the backward reaction increases as the concentration of

SO3 increases.

(b) The concentrations of SO2 and O2 eventually reach zero.

(C) A closed system is needed.

(d) Initially, the rate of the forward reaction starts to decrease as the

Concentrations of SO2 and O2 decrease.

Answer 1

Answer:

c. A closed system is needed

is right answer.

Explanation:

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