a system absorbs 800 kj of heat and does a work of 250 kj. calculate the the change in enthalpy
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1) a system absorbs 15KJ of heat and does 5KJ of work. 2) 5KJ of work is done on the system and 15KJ of heat is given out by the system. Thus, internal energy of the system increases by 10 kJ. Thus, the internal energy of the system decreases by 10 kJ.
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Answer: +10 kJ. Explanation: According to first law of thermodynamics: \ Delta U=q+w. \Delta U =Change in internal ...
Must include: enthalpy
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