ex 6a - c v for air can be taken to be constant, c v =.175...

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Ex 6a A piston cylinder contains 2 lbs of air that is being compressed. Initial state: T 1 =540°R, p 1 =1atm. Final state: T 2 =840°R, p 2 =6atm. During the compression 30 Btu is transferred to the environment via heat interaction. The value of
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Unformatted text preview: c v for air can be taken to be constant, c v =.175 Btu/(lb*R). Determine the work in Btu in 2 different ways: 1) Using c v 2) Using table A-22 and the values of u therein Can we use = 2 1 ) ( V V dV V p W ?...
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