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By: Tapan Shah
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Second Law
1824: Origin of second law can be traced back to a French physicist, Sadi Carnot.
Originally formulated as a statement about the efficiency of heat engines.
Nicolas Léonard Sadi Carnot
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Second Law
The entropy of a system which is not in equilibrium will tend to increase overtime approaching a maximum value of equilibrium.
Entropy of a closed system is always positive.
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Heat Death
Hermann von Helmholtz (1856): “The universe is dying.”
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Heat Death
Universe reaches a state of maximum entropy.
Final state of the universe Universe will approach
absolute zero Will take approximately
100,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 Years. (10102)
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