Two moles of a monatomic idea gas are taken through a three process thermodynami

Question

Two moles of a monatomic idea gas are taken through a three process thermodynamic cycle. The gas starts with a pressure PA = 16 atm and a volume VA = 11. The gas in then expanded adiabatically to point B. The temperature at point B is Tn = 25 K. The gas is then compressed isobarically to point C where the volume is equal to VA. The gas is finally returned to state a via a constant volume process. For all calculations using the ideal gas law assume that R = 0.08 L - atm/mol K. For any calculations of work, heat, internal energy, or entropy use R = 8.0 J/mol Compute all unknown pressures, temperatures, and volumes and organize them into a table. Find the work done by the gas going from point A to point B? What is the heat added to the system going from point B to point C? What is the change in internal energy going from point C to point A? What is the change in entropy going from A to B? A ship has a mass of 70.000 kg and is made of a metal that has a density of 6000 kg/m . The ship floats in water (rho = 1000 kg/m ) such that 70 % of its volume is below the surface of the water Assume that the weight of the air is negligible What is the volume of the ship?

Explanation / Answer

volume= mass /density = 70,000/ 6000= 11.66 m^3 appprx

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