In a certain process 750J of heat is absorbed by a system while 150 cals of work is done on the system.What is the change in the internal energy for the process?
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According to the first law of thermodynamics,
ΔU= q + W (i)
Where, ΔU = change in internal energy for a process
q = heat
W = work
Given, q = + 701 J (Since heat is absorbed)
W = -394 J (Since work is done by the system)
Substituting the values in expression (i), we get
ΔU= 701 J + (-394 J) ΔU = 307 J
Hence, the change in internal energy for the given process is 307 J.
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In a certain process 750J of heat is absorbed by a system while 150 cals of work is done on the system.What is the change in the internal energy for the process?
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