Le Chatelier's Principle

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•
Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is Le Chatelier's Principle?
Back
Le Chatelier's Principle states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change and restore a new equilibrium.
2.
FLASHCARD QUESTION
Front
What happens to the equilibrium when a reactant is removed?
Back
The equilibrium will shift to the left to produce more reactants.
3.
FLASHCARD QUESTION
Front
What effect does increasing pressure have on a gaseous equilibrium?
Back
Increasing pressure shifts the equilibrium to the side with fewer moles of gas.
4.
FLASHCARD QUESTION
Front
How does temperature affect the position of equilibrium in an exothermic reaction when heat is added?
Back
Adding heat to an exothermic reaction shifts the equilibrium to the left, favoring the reactants.
5.
FLASHCARD QUESTION
Front
What is the effect of adding a catalyst to a chemical equilibrium?
Back
Adding a catalyst does not change the position of equilibrium; it only speeds up the rate at which equilibrium is reached.
6.
FLASHCARD QUESTION
Front
What is the effect of increasing the concentration of products in a reaction at equilibrium?
Back
Increasing the concentration of products will shift the equilibrium to the left, favoring the reactants.
7.
FLASHCARD QUESTION
Front
In the reaction Fe+3 + SCN ↔ FeSCN2+, what happens if more Fe+3 is added?
Back
The equilibrium will shift to the right, producing more FeSCN2+ and resulting in a deeper red color.
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