The compound geraniol (molar mass 154.25 g/mol) is on the U.S. Food and Drug Administration’s GRAS (Generally Recognized As Safe) list and can be used in foods and personal care products. By itself, geraniol smells like roses, but it is frequently blended with other fragrances on the GRAS list and then added to products to produce a pleasant peachlike or lemonlike aroma. In an analysis, the complete combustion of 175 mg of geraniol produced 499 mg of CO2 and 184 mg of H2O. Give the empirical formula for geraniol, listing carbon and hydrogen at the beginning of the formula followed by oxygen, in that order.
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.
In an analysis, the complete combustion of 175 mg of geraniol produced 499 mg of CO2 and 184 mg of H2O. Give the empirical formula for geraniol, listing carbon and hydrogen at the beginning of the formula followed by oxygen, in that order.
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