CHAPTER 7
HIGH-ENERGY COMPOUNDS
Concept outline
BIOENERGETICS
Bioenergetics or biochemical thermodynamics deals with the study of energy changes (transfer and utilisation) in biochemical reactions. The reactions are broadly classified as exergonic (energy releasing) and endergonic (energy consuming).
FREE ENERGY ΔG
The energy actually available to do work during a reaction at constant temperature and pressure is called free energy, ΔG. When a reaction proceeds with the release of free energy, the free energy change, ΔG, is negative, and the reaction is said to be exergonic. In endergonic reaction, the system gains free energy, and ΔG is positive.
ENTHALPY ΔH
Enthalpy refers to the heat content ...
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