Answer to Question #127005 in Mechanical Engineering for Zakir Hussain

Question #127005
Two systems have the following equations of state and are contained in a closed cylinder, separated by a fixed, adiabatic and impermeable piston. N1 = 2 and N2 = 1.5 moles. The initial temperatures are T1 = 175 K and T2 = 400 K. The total volume is 0.025 m3. The piston is allowed to move and heat transfer is allowed across the piston. Determine the final temperature of the system (in Kelvin).
1
Expert's answer
2020-07-27T07:23:46-0400

we know that, for two particular system we have, ,

n=3.5

for adiabatic process ,

now we know that

and also we know that fundamental equation of state for two particular system for adiabatic condition



on solving this we get value of U as


U=11900 J

now



T=` 272.6 K




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