Write a balanced equation for the following reactions: Sulfur with sodium nitrate to produce sodium sulfide, sulfur dioxide, and nitrogen monoxide. Nitrogen monoxide with molecular oxygen to produce nitrogen dioxide. (This is a half reaction) Nitrogen dioxide with sulfur dioxide to form nitrogen monoxide and sulfur trioxide. (This is a half reaction) The overall reaction of parts b and c, removing any intermediates. Sulfur trioxide and water to form sulfuric acid. Sodium hydroxide and sulfuric acid.
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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