(a) What is the electrostatic potential energy (in joules) betweentwo protons that are separated by 62 pm? (b) Whatis the change in potential energy if the distance separatingthe two is increased to 1.0 nm? (c) Does the potential energyof the two particles increase or decrease when the distanceis increased to 1.0 nm?
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.
(a) What is the electrostatic potential energy (in joules) between
two protons that are separated by 62 pm? (b) What
is the change in potential energy if the distance separating
the two is increased to 1.0 nm? (c) Does the potential energy
of the two particles increase or decrease when the distance
is increased to 1.0 nm?
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