different kinds of molecules have diffirent degrees of translationnal, vibrational, and rotational freedom and , hence, different average degrees of molecular disorder or randomness . now, if a chemical reaction the degree of molecular disoerder is diffirent for the product than for reactants, there will be a change in entropy and S#0 A SPECtacular example of the effect of molecular disorder in contributing to the diffirence between H and G is affoded by the formation of liquid nonane ch from solid carbon and hydrogen gas at25 equations 4-2 and 4-3 can be rearranged to calculate S and K from H and G
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