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Consider the equilibrium reaction at 298 K:

$${ A }g_{ 2 }O(s)\rightleftharpoons 2Ag(s) + \frac { 1 }{ 2 } { O }_{ 2 }(g)$$

Which of the following conditions will NOT form the above equilibrium at 298 K?

A

Placing ${ A }g_{ 2 }O(s)$ alone in an evacuated vessel.

B

Placing $Ag(s)$ alone in an evacuated vessel.

C

Placing both ${ A }g_{ 2 }O(s)$ and $Ag(s)$ in a vessel.

D

Placing both${ A }g_{ 2 }O(s)$ and ${O}_{2}(g)$ in a vessel.

E

Placing both $Ag(s)$ and ${O}_{2}(g)$ in a vessel.

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