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frictionless piston-cylinder device initially contains 0.85 kg of helium at 18°C and 100 kPa. By taking...

frictionless piston-cylinder device initially contains 0.85 kg of helium at 18°C and 100 kPa. By taking specific heat at room temperature, please calculate; a) the initial volume of the helium in the frictionless piston-cylinder device, and b) the heat required to increase the volume of the frictionless piston-cylinder device to 10800 liter in (kJ).

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Answer #1

So! m=0.85 kg T = 18°C = 291 K P = look pa Cp = 5.1926 kJ/kgk R = 2.0769 kJ/kg K Cat 3ook ] [at 300k] a) PV = nRTE Too XV = 0

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