Helplrlalel 12 Across X The charged ions that interact in the body, producing electrical activities are called Potential energy that is stored in chemical bonds between molecules. 8 A reaction that occurs when a substance breaks down into 2 or more products. 11. A reaction that occurs between compounds by exchange of ions. 12. Made up of 2 or more atoms of different elements. An example is water (H20).
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.
Ans-11: An exchange reaction is a reaction that involves the exchange of ions between compounds. One of the examples of an exchange reaction is the reaction of an alkyl halide with sodium iodide.
So the word corresponds to 11 is exchange.
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