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CBSE Class 11-science Answered

a system absorbs 500J of heat and does work of 50J on its surroundings. calculate the change in internal energy
Asked by gganga | 13 Apr, 2018, 06:34: PM
Expert Answer
Change in energy given by:
dQ = du + dw
 
dQ = 500 J
 
dw = - 100 J
 
du = dQ - dw
 
     = 500 - ( -100 )
 
     = 600 J
Answered by Ramandeep | 14 Apr, 2018, 06:45: PM

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