dinosaur10
09.08.2019 •
Chemistry
Exactly 1.0 mol n2o4 is placed in an empty 1.0-l container and is allowed to reach equilibrium described by the equation n2o4(g) ↔ 2no2(g) if at equilibrium the n2o4 is 37% dissociated, what is the value of the equilibrium constant, kc, for the reaction under these conditions?
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Ответ:
Answer : The equilibrium constant for the reaction is, 0.869
Explanation :
First we have to calculate the concentration of .
The balanced equilibrium reaction is,
Initial conc. C 0
At eqm. conc.
As we are given,
The percent of dissociation = = 37 % = 0.37
Now we have to calculate the equilibrium constant for the reaction.
The expression of equilibrium constant for the reaction will be :
Now put all the values in this expression, we get :
Therefore, the equilibrium constant for the reaction is, 0.869
Ответ:
always repeats the same unit
made of smaller molecules
often made from repeating units