Prbset15

# Prbset15 - CHEMICAL ENGINEERING THERMODYNAMICS COURSE NO...

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CHEMICAL ENGINEERING THERMODYNAMICS COURSE NO.: CHEG5301 STUDENT: ___________________ COURSE: Thermodynamics INSTRUCTOR: Prof. Anderson SUBJECT: Problem Set 15 DUE: Not to be submittee 1. One gmol of A is mixed with 2 gmol of B and the reaction, A (g) + B (g) C (g), G ° 298 = 100 cal/gmol allowed to proceed to equilibrium at 25 ° C and 20 atm. Calculate the equilibrium mole fractions of all components. Assume that the gases form an ideal solution and that each pure gas follows the equation of state, P ( V-b ) = RT where b values are: b A = 45 cm 3 /gmol b B = 45 cm 3 /gmol b C = 60 cm 3 /gmol 2. Methanol, CH 3 OH, is decomposed by a catalyst into CO and H 2 . At equilibrium conditions at 190 ° C and 1 atm pressure CH 3 OH is 98 per cent decomposed into CO and H 2 . At 298K the "enthalpy change of formation" ( H ° f ) of gaseous H 2 O from the elements with each at 1 atm pressure is -68,313 cal/gmol. For the formation of CO 2 from CO and ½O 2 under the same conditions, H ° f is -67,623 cal/gmol. The heat of reaction ( H ° rxn ) at 298K for the following reaction is -182,580 cal/gmol.

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## This note was uploaded on 08/26/2010 for the course CHEG 5301 taught by Professor Anderson during the Fall '08 term at UConn.

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Prbset15 - CHEMICAL ENGINEERING THERMODYNAMICS COURSE NO...

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