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MSE 3260 HWK 1 S18 Answer key.pdf

MSE 3260 HWK 1 S18 Answer key.pdf - MSE 3260 Thermodynamics...

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Unformatted text preview: MSE 3260 Thermodynamics of Materials Homework # _1 Print Name Please sign the Honor Pledge "I have neither given nor received aid on this assignment." (Signature — date) Do all calculations using SI units, and use R=8.3144 ,! / mole K. Show All Work, Conversions, etc. Ten moles of an Ideal Gas are contained in a 20.00 liter cylinder at 38.85°C. a) Convert Volume (V1) & Temperature (T1) to SI units (cubic meters, Kelvin) b) Assuming the gas behaves as an ideal gas, calculate the pressure (P1) of the gas in the cylinder. c) The gas is then expanded isothermally in a single step against a constant opposing pressure of two atmospheres until the system pressure is equal to the opposing pressure. Calculate & list the state conditions (T2, P2, V2) and the work (W) for this step. d) The gas is then cooled at constant volume (V2) until the pressure reaches 0.750 atmospheres. Calculate & list the final state properties (T3, P3, V3) and the work (W) for this step. Note — be sure to review the Homework Instructions on Canvas & use the Equation sheet. Be cognizant of round—off—error (ROE). M32 3240 #wz 1%! r1 :: IO mo’u/ “plea/0344 VI : 20.00 A. 7" :38.8§°C. M I IOOOL 38‘8§C + 275/51 2'." . 3: :E fl 5‘! EVZ. 2:” r n K72. ,: 1'0 mélulfiéifi/ij p)/3/L.00£/ i] P2,. (2.. 02.4551; Pa 1 i g z; w [W :ka 4m Tiff/V: wa ii :5 “ 2 AV V ~l/l “0128mmoolom“51080m/ ‘: _po AV E“: 202. 630 Pa )C/os’om) P 3 2 {93 V3 : [75%;75flflglzgomj) n K (/0 tho/e) ) (8’ .3 Iva/mazgd ‘2 [13.00 K ...
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