What causes london dispersion forces?

The London Dispersion force s a temporary attractive force that results when the electrons in two adjacent atoms occupy positions that make the atoms form temporary dipoles. And because of this, the London Dispersion force is considered to be the weakest intermolecular force.

answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.