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1200 J of heat flows exponentially through a copper barrel from a hot temperature reserve to...

1200 J of heat flows exponentially through a copper barrel from a hot temperature reserve to 650 Kelvin to a cold temperature reserve to 350 Kelvin. determines the change in entropy of this irreversible process assuming that other changes do not arise
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Answer #1

Entropy change in irreversible process,

ds = dQ( 1/T2 - 1/T1)

Or, ds = 1200× ( 1/ 350 - 1/650 ) J/K

Or, ds = 1.582417 J/K

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