Question

a perfect carnot engine operates between the temperatures of 300K and 700K, drawing 60 kJ of...

a perfect carnot engine operates between the temperatures of 300K and 700K, drawing 60 kJ of heat from the 700K reservoir in each cycle. How much heat is dumped into the 300K reservoir in each cycle?

The answer is 26J but how do you get it?

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Answer #2

Given T1 =700K

T2 =300K

From the above n =1-T2/T1 =1-0.42=0.57

now we know that n =1-Q2/Q1 ===>0.57=1-Q2/Q1 ==>Q2=(1-0.57)Q1=0.43*60*103J=26kJ

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