The Sun radiates energy at the rate of 3.80×1026 W from its 5500º C surface into dark empty space (a negligible fraction radiates onto Earth and the other planets). The effective temperature of deep space is −270º C .(a) What is the increase in entropy in one day due to this heat transfer?(b) How much work is made unavailable?

Principles of Physics: A Calculus-Based Text
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Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics
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The Sun radiates energy at the rate of 3.80×1026 W from its 5500º C surface into dark empty space (a negligible fraction radiates onto Earth and the other planets). The effective temperature of deep space is −270º C .
(a) What is the increase in entropy in one day due to this heat transfer?
(b) How much work is made unavailable?

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