Given the reaction system in a closed container at equilibrium and at a temperature of 298 K:
N2O4(g) <==>2NO2(g)
The measurable quantities of the gases at equilibrium must be
(1) decreasing (3) equal
(2) increasing (4) constant

Respuesta :

Constant. The concentrations must be constant and the rates must be equal.

Answer:

The measurable quantities of the gases at equilibrium must be constant

Explanation:

Measurable quantities for the gases at equilibrium includes rate of formation of [tex]NO_{2}[/tex], rate of formation of [tex]N_{2}O_{4}[/tex], pressure of [tex]NO_{2}[/tex] and pressure of [tex]N_{2}O_{4}[/tex].

At equilibrium, rate of forward reaction is equal to rate of reverse reaction.

Rate of forward reaction infers rate of formation of [tex]NO_{2}[/tex] and rate of backward reaction infers rate of formation of [tex]N_{2}O_{4}[/tex].

As rate of formations from both direction are equal therefore pressure of both gaseous species remains constant.

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