shift of equilibrium when the volume of container decreases
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Question 4
For which of the following systems at equilibrium will shift to produce more products when the volume of the container is decreased?
i) H2(g) + I2(g) 2 HI(g)
ii) 2 NO2(g) N2O4(g)
iii) PCl5(g) PCl3(g) + Cl2(g)
iv) ZnO(s) + CO2(g ZnCO3(s)
explain
a. ) none of them
b. ) i and ii
c. ) ii and iv
d. ) iii and iv
e. ) all of them
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Solution Summary
It explains how the systems of equilibrium shifts when the volume of the container decreased.
Solution Preview
The change of the volume of the contatiner effects the partial pressure of the gas in the container.
PV = nRT
so the decrease in volume indicates the increase of the partial pressure of the gas.
According to Le Chatelier's principle, the equilibrium shifts to partially counter-act the imposed change.
Let's take a look at ii) 2NO2 (g) --> N2O4
Because ...
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