CHEMICAL ENGINEERING THERMODYNAMICS COURSE NO.: CHEG301 STUDENT: ___________________ COURSE: Thermodynamics INSTRUCTOR: Prof. Anderson SUBJECT: Problem Set 02 DUE: Wednesday, Sept. 5, 2007 1. Fifty pounds of CO 2 are contained in a 5.0-ft 3 tank. The safety limit of the tank is 1600 psig. Using your best engineering knowledge, determine the maximum permissible gas temperature. 2. A well-insulated storage tank of 60 m 3 contains 200 L of liquid water at 75 ° C. The rest of the tank contains steam in equilibrium with the water. Process steam at 2 bar and 90% quality enters the storage tank until the pressure in the tank reaches 2 bar. Assuming that the heat losses from the system (water) to the tank and the environment are negligible, calculate the total amount of steam that enters the tank during the filling process and the fraction of liquid water present at the end of the process. 3. One lb m of steam is confined inside a spherical elastic membrane (balloon), which supports an internal pressure proportional to its diameter.
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