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In a piston - cylinder system, initially 0 . 1 5 m of nitrogen gas is at a temperature of 3 5 0 K .
In a pistoncylinder system, initially m of nitrogen gas is at a temperature of K The mass of the piston is kg and the crosssectional area is m The ambient pressure is bar and the gravitational acceleration is ms Assuming that nitrogen gas obeys the RedlichKwong equation, calculate the heat transferred to the gas for the following situations.
a The piston is fixed at the initial level and the final temperature and pressure are K and bar, respectively.
b The piston is released and the temperature reaches K
Cv JmolK
C JmolK
NOTE: In the calculations, it is expected that the numerical value of each parameter in the equations will be substituted and detailed calculations will be shown.
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