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Nitrogen dioxide froms dinitrogen tetrox...

Nitrogen dioxide froms dinitrogen tetroxide according to the equation
`2NO_(2)(g)hArrN_(2)O_(4)` (g) when 0.1 mole of `NO_(2)` is added to a 1 litre flask at `25^(@)C`, the concentration changes so that at equilibrium `[NO_(2)]=0.016M` and `[N_(2)O_(4)]=0.042M`.
a. What is the value of the reaction Quotient before any reaction occurs.
b. What is the value of the equilibrium constant for the reaction.

Text Solution

Verified by Experts

Given equation
`2NO_(2_((g))) hArr N_(2)O_(4_((g)))`
`K_(C)=([N_(2)P_(4)])/([NO_(2)]^(2))`
`=(0.042)/((0.016)^(2))=(0.042)/(0.000256)`
`=164.06`
`=1.64xx10^(2)`
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