5720082
Questão 1
Questão
What effect does increasing the pressure of a closed gaseous system at equilibrium have on the state of equilibrium if the forward reaction creates 2 mol and the reverse reaction creates 3 mol?
Responda
-
No effect
-
The forward reaction becomes favored
-
The reverse reaction becomes favored
Questão 2
Questão
The addition of a catalyst to a system at equilibrium will increase the concentration of the products of the forward reaction.
Responda
- True
- False
Questão 3
Questão
An increase in temperature will do what to a system at equilibrium?
Responda
-
Shift the equilibrium to favor the endothermic reaction.
-
Change the Kc value (equilibrium constant)
-
Increase the concentration of products produced by the endothermic reaction
-
All of the above
Questão 4
Questão
An increase in the concentration of the products results in an increase in the value of Kc
Responda
- True
- False
Questão 5
Questão
Le Chatelier's principle states that when stress is placed on a system at equilibrium the system will work in such a way that reduces this stress.
Responda
- True
- False
Questão 6
Questão
Increasing the concentration of A will do what to the following system at equilibrium?
A + B <-----> C + D
Responda
-
The system will shift to favor the reverse reaction so that the concentration of B will become equal to A
-
The system will shift to favor the forward reaction to reduce the increase in concentration of A
-
The system will not be affected
-
The Kc constant will decrease
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