110a-hw3 w08

110a-hw3 w08 - Department of Chemical Engineering...

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Department of Chemical Engineering Winter, 2008 University of California, Santa Barbara CHE 110A Problem Set No. 3 Due Wednesday, January 23, 2008 Objective : To understand and perform calculations using the First Law of Thermodynamics to assess system energy and flows in closed systems. Note : Numerical values for some problems have been changed from those in the book. Problem 8. Smith, van Ness, Abbott, 2.5, page 56 One mole of gas in a closed system undergoes a four-step thermodynamic cycle between equilibrium states 1, 2, 3, and 4. Use the data given in the following table to determine numerical values for the missing quantities, i.e., “fill in the blanks.” Step /J t U Δ Q W 12 -300 ? -1100 23 ? -2100 ? 34 ? 0 500 41 3000 ? ? 12341 ? ? 800 Problem 9. Smith, van Ness, Abbott, 2.8, page 57 A closed, nonreactive system contains species 1 and 2 in vapor/liquid equilibrium. Species 2 is a very light gas, essentially insoluble in the liquid phase. The vapor phase contains both species 1 and 2. Some additional moles of species 2 are added to
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110a-hw3 w08 - Department of Chemical Engineering...

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