Chapter102_A - Problems 10.25 to 10.34 have been solved...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Problems 10.25 to 10.34 have been solved using MS-EXCEL 2000 We give the resulting spreadsheets. Problem 10.25 a) BUBL P T=-60 F (-51.11 C) P=200 psia P=250 psia P=215 psia (14.824 bar) ANSWER Component xi Ki yi=Ki*xi Ki yi=Ki*xi Ki yi=Ki*xi methane 0.100 5.600 0.560 4.600 0.460 5.150 0.515 ethylene 0.500 0.700 0.350 0.575 0.288 0.650 0.325 ethane 0.400 0.445 0.178 0.380 0.152 0.420 0.168 SUM = 1.088 SUM = 0.900 SUM = 1.008 close enough b) DEW P T=-60 F (-51.11 C) P=190 psia P=200 psia (13.79 bar) ANSWER Component yi Ki xi=yi/Ki Ki xi=yi/Ki methane 0.500 5.900 0.085 5.600 0.089 ethylene 0.250 0.730 0.342 0.700 0.357 ethane 0.250 0.460 0.543 0.445 0.562 SUM = 0.971 SUM = 1.008 close enough c) BUBL T P=250 psia (17.24 bar) T=-50 F T=-60 F T=-57 F (-49.44 C) ANSWER Component xi Ki yi=Ki*xi Ki yi=Ki*xi Ki yi=Ki*xi methane 0.120 4.900 0.588 4.600 0.552 4.700 0.564 ethylene 0.400 0.680 0.272 0.570 0.228 0.615 0.246 ethane 0.480 0.450 0.216 0.380 0.182 0.405 0.194 SUM = 1.076 SUM = 0.962 SUM = 1.004 close enough d) DEW T P=250 psia (17.24 bar) T=-40 F T = -50 F T = -45 F (-27.33 C) ANSWER Component yi Ki xi=yi/Ki Ki xi=yi/Ki Ki xi=yi/Ki methane 0.430 5.200 0.083 4.900 0.088 5.050 0.085 ethylene 0.360 0.800 0.450 0.680 0.529 0.740 0.486 ethane 0.210 0.520 0.404 0.450 0.467 0.485 0.433 SUM = 0.937 SUM = 1.084 SUM = 1.005 close enough 327 Problem 10.26 a) BUBL P T=60 C (140 F) P=200 psia P=50 psia P=80 psia (5.516 bar) ANSWER Component xi Ki yi=Ki*xi Ki yi=Ki*xi Ki yi=Ki*xi ethane 0.10 2.015 0.2020....
View Full Document

This note was uploaded on 04/18/2011 for the course CEM 497 taught by Professor Ku during the Spring '11 term at Punjab Engineering College.

Page1 / 6

Chapter102_A - Problems 10.25 to 10.34 have been solved...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online