UnknownNetError UnknownNetError
  • 21-05-2022
  • Physics
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63 J of heat are added to a closed system. The initial energy of the system is 58J, and the final internal energy is 93J. How much work is being done by the system?

63 J of heat are added to a closed system The initial energy of the system is 58J and the final internal energy is 93J How much work is being done by the system class=

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indrawboy
indrawboy indrawboy
  • 21-05-2022

ΔU = Q + W  

  • heat in, Q +  
  • heat out, Q -  
  • does work , W -  
  • work in, W +

93-58 = 63 + W

35 = 63 + W

W = - 28 J (does work/being done by system)

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