What is the lattice energy of CaBr2? Use the given information below. Heat of formation for CaBr2 = -683.25 kJ/mol Heat of sublimation for Ca = 178.20 kJ/mol 1st ionization energy for Ca = 589.50 kJ/mol 2nd ionization energy for Ca = 1145.00 kJ/mol Bond dissociation energy for Br2 = 190.00 kJ/mol Electron affinity of Br = -325.00 kJ/mol Heat of vaporization for Br2 = 30.90 kJ/mol
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.
What is the lattice energy of CaBr2? Use the given information below.
Heat of formation for CaBr2 = -683.25 kJ/mol
Heat of sublimation for Ca = 178.20 kJ/mol
1st ionization energy for Ca = 589.50 kJ/mol
2nd ionization energy for Ca = 1145.00 kJ/mol
Bond dissociation energy for Br2 = 190.00 kJ/mol
Electron affinity of Br = -325.00 kJ/mol
Heat of vaporization for Br2 = 30.90 kJ/mol
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