Explain mechanical, chemical and thermal equilibrium.
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1:)Mechanical Equilibrium --An object resting, on a surface and the corresponding free body diagram showing the forces acting on the object .The normal force N is equal, opposite and collinear to the gravitational force mg so the net force and moment is zero. Consequently the object is in state of static mechanical equilibrium.
2:)Chemical Equilibrium --In a chemical reaction ,chemical equilibrium is the state in which both reactants and products are present in concentration which have no further tendancy to change with time .Usually, this state result when the forward reaction proceeds at the same rate as reverse reaction.
3:)Thermal Equilibrium --The condition under which two substances in physical contact with each other exchange no heat energy . Two substance in thermal equilibrium are said to be at same temperature.
2:)Chemical Equilibrium --In a chemical reaction ,chemical equilibrium is the state in which both reactants and products are present in concentration which have no further tendancy to change with time .Usually, this state result when the forward reaction proceeds at the same rate as reverse reaction.
3:)Thermal Equilibrium --The condition under which two substances in physical contact with each other exchange no heat energy . Two substance in thermal equilibrium are said to be at same temperature.
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