Chemical Equilibria, Le Chatelier's Principle & Kc (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does it mean when a chemical reaction is described as reversible?
What does it mean when a chemical reaction is described as reversible?
It can proceed in both directions
When does a reaction reach equilibrium?
When does a reaction reach equilibrium?
When forward and reverse rates equal
What happens to the concentrations of reactants and products at equilibrium?
What happens to the concentrations of reactants and products at equilibrium?
They remain constant
At equilibrium, must the concentrations of reactants and products be equal?
At equilibrium, must the concentrations of reactants and products be equal?
No, they are constant but not equal
What is a closed system in chemistry?
What is a closed system in chemistry?
A system where nothing enters/leaves
Do forward and reverse reactions stop at dynamic equilibrium?
Do forward and reverse reactions stop at dynamic equilibrium?
No, they continue simultaneously
What rate do forward and reverse reactions have at equilibrium?
What rate do forward and reverse reactions have at equilibrium?
The same rate
For at equilibrium, how do the rates compare?
For at equilibrium, how do the rates compare?
Both rates are equal
Where does dynamic equilibrium occur?
Where does dynamic equilibrium occur?
In a closed system
Why is equilibrium described as 'dynamic'?
Why is equilibrium described as 'dynamic'?
Reactions continue occurring