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State the third law of thermodynamics. |
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Answer» Solution :(b) (i) (1) The third law of thermodynamics states that the entropy of pure crystalline substance at absolute zero is zero . (2) It can also be stated as it is IMPOSSIBLE to lower the temperature of an object to absolute zero in a FINITE number of STEPS. (3) Mathematically, `underset (Trarr0) lim` S=0 for a PERFECTLY ordered crystalline state. |
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