500 cal of heat is given to a system and system perform 350 cal work calculate change of internal energy of system?
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Answer:
150 cal
Explanation:
as per first law of thermodynamics
Q = W + U
Q = 500 cal , W = 350 cal
put their values in the equation and get the value of U
where Q is the amount of heat added
U is the change in internal energy
W is the work done by the system
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