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What is the work done by an open steady-state system if heat transferred to it is 10 J?

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What is the work done by an open steady-state system if heat transferred to it is 10 J?

(a) 0

(b) -10 J

(c) 10 J

(d) Cannot be determined

I had been asked this question in an interview.

The doubt is from Simplifications of General Energy Balance topic in chapter Application of Energy Balances in the Absence of Chemical Reactions and Energy Balances: How to Account for Chemical Reaction of Basic Chemical Engineering

1 Answer

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Best answer
Correct answer is (c) 10 J

Explanation: In steady state system ∆E = 0, => Work done by the system = 10 J.

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