Question

For each of the following reactions, predict the effect of increasing pressure will have on each...

For each of the following reactions, predict the effect of increasing pressure will have on each of the following reactions at equilibrium. Assume that temperature is constant but that pressure changes are obtained by changing the volume of the container.

      -       A.       B.       C.       D.   

2A(s) ⇌ B(s)
      -       A.       B.       C.       D.   

A(l) ⇌ 2B(l)
      -       A.       B.       C.       D.   

A(s) ⇌ B(g)
      -       A.       B.       C.       D.   

A(g) ⇌ B(g)
      -       A.       B.       C.       D.   

A(g) ⇌ 2B(g)
A.

The reaction will be unaffected by a change in pressure.
B.

No determination can be made regarding the change in pressure on the reaction.
C.

The reaction with shift towards products.
D.

The reaction with shift towards reactants.
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Answer #1

Ans :

According to Le Chatelier's principle , when the reaction is at equillibrium ,any change in reaction conditions will cause the reaction to move in a direction where the equillibrium can be re-estabilished.

So here :

A) The reaction will be unaffected by a change in pressure: 2A(s) B (s)

A) The reaction will be unaffected by a change in pressure : A(l) 2B (l)

D) The reaction with shift towards reactants : A(s) B (g)

A) The reaction will be unaffected by a change in pressure : A(g) B (g)

D) The reaction with shift towards reactants : A (g) 2B (g)

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