2.) Two bodies A audB with costaut total heat Cep and Cpo aud different mitial team peratures Ta. ves TAo and TB, exchauge heat witu each other under is dlaeric conditions. No heat is trausfered to or from the Surraun dings and the tomp. of both bodies are assumed Un form at all times aud the process is ireversible. expression for the totanl eutropy chauge of the finstion of temp. a) Derive an tuo losdies as a 6) What is The eguililoviuum temp. of the system?
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
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