HW 6 LeChatelier's Principle
1. Le Chatelier Concentration
2 Le Chatelier Volume
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Due Jun 22 at 11:55 PM
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3. Le Chatelier Temperature
4: Le Chatelier. Enda or Exothermic 1 pts req
5. Le Chatelier: Summary True/False 1 pts 2req
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[Review Topics]
Raterences)
Use the References to access important values if needed for this question.
Consider the following system at equilibrium where AH = 92.7 kJ and Ke = 1.80 x 104, at 298 K.
NH, HS(s) NH3(g) + H₂S(g)
The production of NH3 (g) is favored by (indicate true or false);
increasing the temperature:
increasing the pressure (by true the volume): [ v
false
V
decreasing the volume:
adding NH₂ HS
removing H₂S:
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725/nHWS LeChateller's Principle
1. Le Chatelier Concentration
CADAS
1 pts 2req
2 Le Chatelier Volume
1 pts 2req
3. Le Chatelier: Temperature
1 pts 2req
4. Le Chatelier Endo or Exothermic
1 pts req
5. Le Chatelier Summary True/False 1 pts 2req
Preparation
Question
Question
Question
Change
Reactant
[Review Topics]
Le Chatelier's Principle: Summary
A change in any of the factors that determine the equilibrium conditions of a system will cause the system to change in such a mann
as to reduce or counteract the effect of the change.
Factors
1. Concentration Product
2. Temperature T
References)
Consider Direction to Reach Equilibrium
Forward
Reverse
Forward
Reverse -
AH> 0
AH<0
Angas > 0
3. Volume 1 V (P decreases) Angas <0
Angas
<=0
If you reverse any of the Changes above, the Direction to Reach Equilibrium reverses.
Forward
Reverse
No effect
K increases
K decreases
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Fig: 1
Fig: 2