Engineering
Chemistry
First Law and Various Process
Gibbs Free Energy Calculations and Third Law
Intensive Extensive State and Path Function
Question

Which one is not correct for a cyclic process as shown in the figure?

= –w

q = 314 kJ

w = –314 J

dU = 0

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Solution
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For a cyclic process, dU = 0

= ∆– ⇒ = – w

Also, =  Area covered by sphere or ellipse

=πr2=πxaxb= 3.14 x 10 x 103 x 10=314 kJ