In part A of the experiment you will need to make a 4.80 x 10-4 M KSCN solution starting with a 2.00 x 10-3M KSCN solution. You
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Explanation:
Any change in the equilibrium is studied on the basis of Le-Chatelier's principle:
This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.
On an increase in the volume :
If the volume of the container is increased, the pressure will decrease according to Boyle's Law. Now, according to the Le-Chatlier's principle, the equilibrium will shift in the direction where increase in pressure is taking place.And equilibrium will shift in direction where number of gaseous moles are more.
On an decrease in the volume :
If the volume of the container is decreased , the pressure will increase according to Boyle's Law. Now, according to the Le-Chatlier's principle, the equilibrium will shift in the direction where decease in pressure is taking place.And equilibrium will shift in direction where number of gaseous moles are less.
a.
On an increase in the volume :
As the number of moles of gas molecules is greater at the reactant side. So, the equilibrium will shift in the left direction. So in order to increase the amount of product we have to increase the pressure of the reactants molecules decrease the volume.
b.
As the number of moles of gas molecules is greater at the reactant side. So, the equilibrium will shift in the left direction. So in order to increase the amount of product we have to increase the pressure of the reactants molecules decrease the volume.
c.
As the number of moles of gas molecules is greater at the reactant side. So, the equilibrium will shift in the left direction. So in order to increase the amount of product we have to increase the pressure of the reactants molecules and decrease the volume .