
Interpretation:The state of equilibrium needs to be explained. Also, examples of physical equilibrium and
Concept introduction:Equilibrium is a state where there is no net change in the amounts of the reactants and products. It can be divided into physical equilibrium and chemical equilibrium.
Physical equilibrium is an equilibrium which gets established between different phases. In these processes, there is no change in chemical composition. There is no change in chemical composition.
Chemical equilibrium can be defined as state of a system in which the concentration of the reactant and the concentration of the products does not change with time.

Answer to Problem 11A
Example of physical equilibrium is melting of solid ice.
Example of chemical equilibrium is reaction between haemoglobin and oxygen in our body.
Explanation of Solution
At equilibrium, the rate of transformation of reactants into products and rate of transformation of products into reactants are equal.
Example of physical equilibrium is melting of solid ice which can be represented as,
At
Example of chemical equilibrium is reaction between haemoglobin and oxygen in our body.
The equilibrium shown above not only preserves oxygenated haemoglobin but also transport oxygen to different areas of body which requires oxygen.
Example of physical equilibrium is melting of solid ice.
Example of chemical equilibrium is reaction between haemoglobin and oxygen in our body.
Chapter 17 Solutions
World of Chemistry, 3rd edition
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