4. A stainless-steel vessel with a volume of 9.10 litres has 1.7 kg of nitrogen gas injected into it. The cylinder is kept at a temperature of 56°C. What is the pressure of the gas in atm? Please calculate by: a. Assuming that nitrogen behaves like an ideal gas at these conditions. b. Assuming that nitrogen follows the van der Waal's equation at these conditions. c. Assuming that nitrogen follows the SRK equation of state at these conditions. Using the compressibility factor method. d.

Chemical Engineering A tank contains 1 kg mass gas whose density is 700 kg/m3. The pressure is increased from 1 bar to 3 bar. The approximate specific boundary work of the system is Cannot be find since some data is missing 285 kJ/kg 0 kJ/kg 0.285 kJ/kg

In an evaporator, dilute material enters, and concentrated material leaves the system. Water is evaporated during the process. If I am the weight of the dilute material entering the system, W is the weight of water vaporized, and C is the weight of the concentrate, write an equation that represents the total mass balance for the system. Assume that a steady state exists. Show FBD and complete solution.

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During methane liquefaction, about 1000 kg of methane are stored at a pressure of 10 MPa and 180 K. The plant manager is worried about the possibility of explosion of the storage tank. Determine the energy released (in kg TNT equivalent) by a sudden rupture of this storage tank and the temperature and physical state of the methane immediately after the rupture.

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In this problem we will consider compression of a liquid sample. For practical purposes liquids can be considered incompressible. (a) Evaluate AG when pressure acting on 100 mm³ of mercury is increased by 1000 bar at constant T. (b) To evaluate q for this process we will need to use Maxwell relations. Starting from the differential of S in terms of differentials of T and p show that TdS = CpdT - aTVdp. Hence, show that the energy transferred as heat when the pressure on an incompressible liquid or solid is increased by Ap at constant T is equal to -aTVAp. Evaluate q for the compression process in (a) at T = 273 K (a = 273 K (a = 1.82 × 10−4 K−¹).