... the surroundings, whether that system is either infinite or isolated. The standard equation for this change in entropy, given the symbol S, is as follows. S = Sfinal - Sinital When Sfinal > Sinitial the system has gained energy from it surroundings. When Sfinal 0 Ssys > 0 Now that we have covered how the second law is calculated and related to the universe, the question still remains, how does it affect ... ...

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