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UNIT 7. After studying this unit you will be able to. identify dynamic nature of equilibrium involved in physical and chemical processes; state the law of equilibrium; explain characteristics of equilibria involved in physical and chemical processes; write expressions for equilibrium constants;
Many chemical reactions do not go to completion but instead attain a state of chemical equilibrium. Chemical equilibrium: A state in which the rates of the forward and reverse reactions are equal and the concentrations of the reactants and products remain constant. ⇒ Equilibrium is a dynamic process Œ the conversions of reactants to products and
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15.1 The Concept of Chemical Equilibrium. •As a system approaches equilibrium, both the forward and reverse reactions are occurring. •At equilibrium, the forward and reverse reactions are proceeding at the same rate (vertical dashed line). •At equilibrium, the amountof each reactant and productremains constant.
OBJECTIVES. After reading this lesson you will able to : differentiate between static and dynamic equilibrium; identify and differentiate between reversible and irreversible reactions; list and explain characteristics of equilibrium state; explain the equilibria involving physical changes and their characterstics;
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CHEMICAL EQUILIBRIUM. Section 17.1 Equilibrium State and Equilibrium Constant. Chemical reactions do NOT go to completion (100% products) - even those that look like they do. Reactions instead reach a point (called equilibrium) after which the amount of reactants and products no longer change with time. This is because all reactions are.
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Chemical Equilibrium • Many reactions go to “completion”, e.g., NaCl fully dissolves in water, but Ca(OH) 2 does not • Chemical “equilibrium” is the balance between products and reactants. Can be affected by conditions (e.g., higher solubility at higher T) • Equilibrium is “dynamic,” like phase equilibria of
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CHEMICAL EQUILIBRIUM (IONIC EQUILIBRIUM IN SOLUTION) The state of equilibrium in any reaction is recognised by the constancy of an observable property (macroscopic property) like colour intensity of the solution. In this unit we will study about the shift in equilibrium in various reactions. EXPERIMENT* 4.1. Aim.
