27. in dehydration synthesis reactions, where do the atoms that make up a molecule of water come from? Monosaccharides and fatty acids carbonyl groups and carboxyl groups oxygen gas and carbon dioxide only one of the reactions both of the reactions 28. in order to fill its outermost electrons energy level, chlorine needs one electron to gain one electron and potassium needs to lose one electron. what kind of bond do potassium and chloride form? ionic hydrogen van der Waals covalent disulfide
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.
27. in dehydration synthesis reactions, where do the atoms that make up a molecule of water come from?
- Monosaccharides and fatty acids
- carbonyl groups and carboxyl groups
- oxygen gas and carbon dioxide
- only one of the reactions
- both of the reactions
28. in order to fill its outermost electrons energy level, chlorine needs one electron to gain one electron and potassium needs to lose one electron. what kind of bond do potassium and chloride form?
- ionic
- hydrogen
- van der Waals
- covalent
- disulfide
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