Question
A system absorbs 640 J heat and does work of 260 J, the change in internal energy of the system will be
(a) +380J
(b) -380J
(c) +900J
(d) -900J
Solution
+380J
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Solution A system absorbs 640 1 heat and does work of 260 J, the change in internal energy of the system will be Concept: Chemical Thermodynamics and Energetic - Internal Energy and Enthalpy.
