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## Main Question or Discussion Point

say we have a reaction:

N

for this reaction,if initial number of moles of N

t = 0 a -

at equilbrium a-x 2x

similarly can we do the same for pressure i.e.

if initial pressure is p,then can we say

t=0 p -

at equilbrium p-y 2y

if yes why? and is x=y,i.e is the number of moles x dissociated equal to decrease in pressure of reactant?

and is this method valid for all reversible reaction irrespective of the stoichiometric coefficient of reactants and products

please help.

N

_{2}O_{4}<====> 2NO_{2}for this reaction,if initial number of moles of N

_{2}O_{4}is 'a' can we writet = 0 a -

at equilbrium a-x 2x

similarly can we do the same for pressure i.e.

if initial pressure is p,then can we say

t=0 p -

at equilbrium p-y 2y

if yes why? and is x=y,i.e is the number of moles x dissociated equal to decrease in pressure of reactant?

and is this method valid for all reversible reaction irrespective of the stoichiometric coefficient of reactants and products

please help.

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