small.unt of sodium chloride (NaCl) is dissolved in a large amount of water. Imagine separating this process int etches show only a portion of the substances, so you can see the density and distribution of atoms and molecules in с NaCl H₂O se these sketches to answer the questions in the table below. ΔΗ B The enthalpy of solution is positive when laCl dissolves in water. Use this information to list the tages in order of increasing enthalpy. soln Vould heat be absorbed or released if the system noved from Stage A to B? What force would oppose or favor the system moving rom Stage A to B? Check all that apply. A, B, C, D 00000000 absorbed released neither absorbed nor released none ionic bonding force covalent bonding force metal bonding force hydrogen-bonding force dipole force ion-dipole force dispersion force X solution Ś ?
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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