what is the change in internal energy in joules when a system absorbs 245 J of heat and does 205 J of work on it's surroundings?
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If a system absorbs 28 J of heat and does 48 J of work on itssurroundings,A-how many calories are in 45j?B-what is the change of the internal energy in joules?
The gas in a piston (defined as the system) is warmed and absorbs 665 J of heat. The expansion performs 347 J of work on the surroundings.
What is the change in internal energy for the system?