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Physics 9 Online
OpenStudy (anonymous):

Which equation would you need to rearrange to calculate the work done by a heat engine? A. Q_H + W+Q_L B. delta U = Q + W C. delta S = Q/T D. Q =m delta H_f

OpenStudy (michele_laino):

I think the equation B, since a heat engine makes a thermodynamic cycle, so \Delta U=0 for a complete cycle

OpenStudy (anonymous):

ohh okie! thank you!:D

OpenStudy (michele_laino):

:)

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