A system composed of 5kg of 4 points air expands in a frictionless piston and cylinder machine from an initial state of 100kPa 500 to a final temperature of 300K .If there is no heat transfer find the net work for the process.(Take Cv=0.718 kJ/kgK)^(*)
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Nutrition is defined as the processes by which an animal or plant takes in and utilises food substances. Essential nutrients include protein, carbohydrate, fat, vitamins, minerals and electrolytes. Normally, 85% of daily energy use is from fat and carbohydrates and 15% from protein.
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