What’s the difference between energy and entropy?

Expert Solution

Energy	Entropy
1. Energy is the ability to do the work. Usually in comparison to entropy Gibb's free energy is considered.	1. Entropy is defined as a measure of disorderliness in the system.
2. Gibb's free energy change is designated by G.	2. Entropy change is designated as S. S is given by S (Products) - S (reactants)
3. Gibb's free energy is given by the equation. G = H - TS Where, S = entropy, H = enthalpy	3. S is given by S (Products) - S (reactants) or S = H/T
4. Units of Gibb's free energy are KJmol^-1	4. Entropy is measured in J/K
5.If gibb's free energy is negative, forward reaction takes place and if it is positive reverse reaction takes place spontaneously	5. Entropy determines whether the given reaction is endothermic (S<0) or exothermic (S>0)
6. It gives information about reactivity	6. It gives information about the randomness in the given system
7.The gibbs free energy gives information about the activation energy for a given reaction	7. Higher values of entropy indicates higher disorderliness

Sydney Mullin answered 3 years ago

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