Chemistry 12 Worksheet 2-2 - Lechatelier'S Principle - Chemical Equilibrium Worksheet
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7Chemistry 12
Unit 2 - Chemical Equilibrium
Chemistry 12
Worksheet 2-2
LeChatelier's Principle
Name_______________
In order to decide what effect a change in total pressure will have on an equilibrium system
1.
with gases, what is the first thing you should do when given the balanced equation?
___________________________________________________________________
2.
Predict which way the following equilibrium systems will shift when the total pressure is
increased.(
)
NOTE: Some may have no shift
a).
N
+ O
2NO
.........................
Answer__________________
2(g)
2(g)
(g)
b).
2SO
+ O
2SO
......................
Answer__________________
2(g)
2(g)
3(g)
4NH
+ 5O
4NO
+ 6H
O
c).
.......
Answer__________________
3(g)
2(g)
(g)
(g)
2
Which way will the following equilibrium shift if the total pressure on the system is
3.
decreased?
2C
H
+ 7O
4CO
+ 6H
O
Answer________________
6(g)
2(g)
2(g)
(g)
2
2
4.
Explain why a flask filled with NO
and N
O
will get darker when heated. Use the
2(g)
2
4(g)
equation:
N
O
+ heat
2NO
2
4(g)
2(g)
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
5.
State Le Chatelier's Principle.
__________________________________________________________________
__________________________________________________________________
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Worksheet 2-2 - LeChatelier's Principle
Page 1
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