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we know the total entropy of the universe is increasing and the total energy of the universe is constant then why is the relation s=q/T

we know the total entropy of the universe is increasing and the total energy of the universe is constant then why is the relation 


s=q/T

Grade:12

1 Answers

sachin
9 Points
7 years ago
Its related to law of conservation of energy. Whenever the total entropy of universe is increased, in order to have total energy constant for the universe; as per law of conservation of energy; the universe has to expand and we know the the universe is ever expanding as its total entropy is increasing. The equation S=Delta Q/T must be applied with care as it is valid only if temperature of substance remain approx. constant.

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