Dear I think the particles does not change their shapes but their arrangement will be broken out. please forgive me if my answer is wrong.
Solvation
solvation
To break the attractions among the solute and solvent particles in an exothermic reaction, heat is required. An exothermic reaction releases heat as the products are made. By definition, heat is the...
In a way they do, but even smaller "particles" are called atoms.
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