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Unformatted text preview: We let the pressure drop to 101.3 kpa by briey opening the container. After resealing we heat back to 25 C and arrive at 104 kpa. Determine c P assuming an ideal gas and reversible and adiabatic exchanges where appropriate. 3. (7 points) Methyl chloride at 373 K (100 C) has the following virial coecients B =-242 . 5cm 3 / mol , C = 25 . 2 10 3 cm 6 mol-2 Calculate the work of an isothermal reversible compression of 1 mol from 100 kpa to 5 Mpa. (a) Use the virial equation in volume Z = 1 + B V + C V 2 (b) Use the pressure variant of the virial equation Z = 1 + B p + c p 2 B = B RT , C = C-B 2 ( RT ) 2 (c) Why are the results slightly dierent?...
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- Fall '09