QuestionThermodynamics / first law
A sample of an ideal gas changes its volume from 3·00 L to 6·00 L against an external pressure of 2·50 atm and simultaneously absorbs 1000 J of heat. The change in internal energy of the system is (1 L atm = 101·325 J)
- (a) −760 J
- (b) 240 J
- (c) −240 J
- (d) 760 J
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