This is a crash course in chemistry for equilibrium that defines the equilibrium state in different conditions along with its characteristics.
The word equilibrium literally means "balance." Therefore, chemical equilibrium represents a state of balance in a chemical reaction. Chemical equilibrium is a state where there is no change in observable properties of the product involved in the process. Observable properties of a substance are its pressure, color, temperature, etc.
To put things in perspective, you can imagine melting ice at 0°C. In that state, both ice and water are present. However, melting of ice, dissolution of solute in solvent, etc., are examples of physical equilibrium. When a similar state is reached in a chemical reaction, it is termed a chemical equilibrium.
In a chemical reaction, equilibrium is achieved when the reaction is reversible. In cases as such, chemical equilibrium is defined as a state when the forward and backward reaction occurs at the same rate.
Alternatively, we may also define chemical equilibrium as a state where the volume of reactants and products does not change with time. In some cases, chemical equilibrium is also perceived as a stage where observable properties of the substances involved in the reaction do not change further with time when suitable conditions are provided.
Let's look at some of the properties of the equilibrium state:
1. What is an equilibrium crash course?
A crash course on chemical equilibrium is a lesson plan that covers all the aspects of equilibrium briefly. The course mostly has an equilibrium video so that you can be exam ready within minutes.
2. How do you explain equilibrium in chemistry?
Chemical equilibrium is a state in a reversible chemical reaction when there is no change in the observable properties with time. For further details, you can join a chemistry crash course that will prepare you for your upcoming exams.
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