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# Introductory Chemical Engineering Thermodynamics

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Unformatted text preview: 5.47 (also available as a Mathcad worksheet) See Mathcad for the graphs. Problem 5.47 P( V, T , R , a , b ) R .T V b T 0.5 . a V. ( V b ) 1. . ln ( V 1. . b ) . R. T a T .b 8.314 . Pa . m mole . K 3 2 2.5 R . Tc R. T V P( V, T , R, a , b ) d V R. T . ln ( V) . ln ( V) 1. . a T .b . ln ( V b ) Tc T i 126.2 . K 110 . K 0 .. 100 R. T Vi b T Vi Vi V0 Pc 6 3.396 . 10 . Pa R a 0.42748 . b 0.08664 . R. Tc Pc Pc 5 3 1 m mole 1.5 . b a Vi 1 Vi . 1.001 i V0 = 4.015 10 Pi . Vi R. T Vi Vi b Pi 0.5 . Vi . Vi b Zi V100 = 5.655 10 3 3 1 m mole fopi ln b ln Zi Zi 1 T a 1.5 . R. b . ln Solutions to Chemical and Engineering Thermodynamics, 3e fi Pi . exp fopi 150 100 P i 5 10 .Pa 50 0 50 0 0.5 1 log V i b 1.5 2 2.5 2.5 10 6 2 10 6 1.5 10 f i 1 10 6 6 5 10 5 0 0 0.5 1 log V i b 1.5 2 2.5 T i 150 . K 0 .. 100 V0 1.5 . b Vi 1 Vi . 1.001 i V0 = 4.015 10 5 3 1 m mole Solutions to Chemical and Engineering Thermodynamics, 3e Pi R. T Vi b T Vi Vi b 0.5 . a Vi . Vi ln Zi b a T 1.5 . Zi . ln Pi . Vi R. T Vi Vi b V100 = 5.655 10 3 3 1 m mole fopi ln Zi 1 R. b fi Pi . exp fopi 500 400 300 P i 5 10 .Pa 200 100 0 0 0.5 1 log V i b 1.5 2 2.5 2.5 10 7 2 10 7 1.5 10 f i 1 10 7 7 5 10 6 0 0 0.5 1 log V i b 1.5 2 2.5 ...
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• Spring '07
• Rethwisch

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