1.

Which of the following is a correct equation of energy balance?

A. ∑out of system nh+Q+Ws – ∑insystem nh+Q+Ws=0
B. ∑out of system nh+Ws- ∑insystem nh+Q+Ws=0
C. ∑out of system nh+Q+Ws – ∑insystem nh+Ws=0
D. ∑out of system nh+Ws – ∑insystem nh+Ws=0
Answer» B. ∑out of system nh+Ws- ∑insystem nh+Q+Ws=0


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