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.
One of the allotropes of sulfur is a ring of eight sulfur atoms. Draw the Lewis structure for the S8ring. Comment on whether that ring will be planar or not.b.The S8ring can be oxidized to produce S8O, in which the oxygen atom is bonded to one of the sulfur atoms and the ring is intact. Draw the Lewis structure for S8O and comment onwhether this oxidized ring will be planar or not.
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