محاضرات د. علاء مسلم - التغير الانتروبي - مبدا الزيادة في القصور الحراري

Entropy Change is the phenomenon which is the measure of change of disorder or randomness in a thermodynamic system. It is related to the conversion of heat or enthalpy done in work. A thermodynamic system which has more randomness means it has high entropy.