In the following take
(o) Three moles of nitrogen at 30°C. contained in a rigid vessel, is heated to 250°C. How much heat is required if the vessel has a negligible heat capacity? If the vessel weighs 100 kg and has a heat capacity of
(h) Four moles of nitrogen at 200°C is contained in a piston/cylinder arrangement. How much heat must be extracted from this system, which is kept at constant pressure. to cool it to 40°C if the heat capacity of the piston and cylinder is neglected?
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Introduction to Chemical Engineering Thermodynamics
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