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If 20J of heat is extracted from a system change in energy of the system will be
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If 20J of heat is extracted from a system change in energy of the system will be

If 20J of heat is extracted from a system change in energy of the system will be-example-1
User Amey Jadiye
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20J of heat is extracted from the system, so q = -20J (negative because heat is leaving the system). Therefore, the change in energy of the system is:

ΔE = q = -20J So the change in energy of the system is -20J.


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