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Entropy ­ How far? Revision
The second law of thermodynamics states that spontaneous changes result in disorder or entropy.
This dictates whether or not the reaction will take place (spontaneity) at a particular temperatures
and the position of equilibrium. It is split into entropy of system and entropy of surroundings,…

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If the surroundings are hot, the entropy increase is small because the molecules all have high entropy
and are already in chaotic motion.

Ionic Compounds

As it dissolves, the lattice structure of an ionic solid breaks down and the ions are separated. This is
very endothermic, so you might…


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