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# hw 6 - CH 4 at a constant rate and at constant temperature...

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1 CHEN 3320: ChE Thermodynamics Department of Chemical and Biological Engineering Fall 2010 John L. Falconer ——————————————————————————————————————— Assignment #6 due Friday, October 15, 2010 1) A well-insulated container has 0.5 kg ice and 0.5 kg liquid water at 0 o C in equilibrium. Liquid ethanol (at 0 o C, 0.5 kg), which has a lower freezing point than water, is added to the system. Describe what happens and explain why. 2) A container with water and NaCl is boiling at 105 o C on a stove. The amount of NaCl in the water is half of the maximum amount of salt that can dissolve. Plot approximately the chemical potential of the liquid water (no numerical scale needed) versus time as the water boils away to 10% of its initial volume. 3) A metal box of fixed volume contains CO 2 at 2 atm pressure. Through a valve you add
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Unformatted text preview: CH 4 at a constant rate and at constant temperature. Plot the CH 4 fugacity versus time up to a total pressure of 20 atm. Assume ideal gases. 4) SAFETY PROBLEM Watch the short video and write a paragraph in excellent English that describes how thermodynamics relates to the accident depicted in the video http://www.csb.gov/videoroom/detail.aspx?vid=18&F=0&CID=1&pg=1&F_All=y 5) E-L 8.3- all parts. For part (a), you do not need to graphically integrate (you can if you wish) but you must use the volume data. 6) E-L 8.6 , part (b) 7) Compare the vapor pressure for 2-propanol at 300, 400, and 500 K obtained from the Peng-Robinson EOS to that obtained experimental values (obtained from Antoine equation) 8) Design an experiment to measure the fugacity of one component in a binary liquid mixture that is at high pressure....
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