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209s10a9

# 209s10a9 - DCGN209-Spring10 Homework#9 p 1 of 2 I Study...

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DCGN209-Spring’10: Homework#9 p. 1 of 2 I. Study Questions & Problems (not to hand in) . A. Exactly 1.2028 moles of He(g) initially exerts a pressure of 800 kPa at 26.85 0 C. The gas expands isothermally against a constant opposing pressure of 400.0 kPa to a final pressure of 400.0 kPa. B. Exactly 1.2028 moles of He(g) initially exerts a pressure of 800 kPa at 26.85 0 C. The gas expands isothermally and reversibly to a final pressure of 400.0 kPa. C. Exactly 1.2028 moles of He(g) initially exerts a pressure of 800 kPa at 26.85 0 C. The gas is heated at constant volume to a final temperature of 400.0 K. R C V 2 3 = D. Exactly 1.2028 moles of He(g) initially exerts a pressure of 800 kPa at 26.85 0 C. The gas is heated at constant pressure to a final temperature of 400.0 K. E. Exactly 1.2028 moles of CO 2 (g) initially exerts a pressure of 800 kPa at 26.85 0 C. The gas is heated at constant pressure to a final temperature of 400.0 K. ( ) K mole J T x T x C P 2 5 3 10 62 . 8 10 79 . 8 22 . 44 + + = F. Exactly 1.2028 moles of H 2 O, initially solid at 0.00 0 C & 1.000 atm, is completely converted to liquid at 0.00 0 C & 1.000 atm.

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209s10a9 - DCGN209-Spring10 Homework#9 p 1 of 2 I Study...

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