How large a change in energy (or enthalpy) of reaction is needed for an acid ionization to lower the pKa by one unit at 25°C? Assume that the entropy of ionization is unchanged. (We use unprimed variables to indicate the reaction with the lower pKa, or higher Ka.)
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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How large a change in energy (or enthalpy) of reaction is needed for an acid ionization to lower the pKa by one unit at 25°C? Assume that the entropy of ionization is unchanged. (We use unprimed variables to indicate the reaction with the lower pKa, or higher Ka.)
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