Changes to Equilibrium and Le Chatelier's Principle (HSC SSCE Chemistry): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does Le Chatelier's principle state about a system at equilibrium subjected to a change?
What does Le Chatelier's principle state about a system at equilibrium subjected to a change?
System partially counteracts the change
What does it mean when equilibrium 'shifts to the right'?
What does it mean when equilibrium 'shifts to the right'?
Forward reaction favored, more products
What happens when the concentration of a reactant increases in an equilibrium system?
What happens when the concentration of a reactant increases in an equilibrium system?
Forward reaction is favored
For , what happens when container volume increases?
For , what happens when container volume increases?
Reverse reaction is favored
For , how do volume changes affect equilibrium?
For , how do volume changes affect equilibrium?
No effect on equilibrium position
What does increasing temperature favor in an equilibrium system?
What does increasing temperature favor in an equilibrium system?
The endothermic reaction
For , what happens when cooled?
For , what happens when cooled?
Equilibrium shifts right
How does adding a catalyst affect the equilibrium position of a reaction?
How does adding a catalyst affect the equilibrium position of a reaction?
Does not change equilibrium position
On a concentration-time graph, what indicates a concentration or pressure change?
On a concentration-time graph, what indicates a concentration or pressure change?
Sudden change in one substance only
How do temperature changes appear on concentration-time graphs?
How do temperature changes appear on concentration-time graphs?
Gradual changes in concentrations