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Unformatted text preview: 4 4 7 ) 8 ( 3 2 1 3 2 1 3 2 1 x Y x x x x Y x x x x Y (i) If Y is zero, what are x 1 , x 2 , and x 3 ? (ii) Create a plot of x 2 vs Y for Y from 6 to 6 (iii) Within this interval, what are the values of Y that make x 2 equal to 3? 2/. (4 marks) A process involves four reactors, two input flows, and one output flow. The diagram shows the flow paths and volume of each flow. Assume that the flows are in litres/s. 4 3 10 ( c = 10) 7 6 c 1 c 2 c 3 c 4 9 4 6 ( c = 30) 5 Each flow and each reactor contains a concentration c (in mg/litre) of some substance. . Assuming that the system is in a steady state, what are concentrations c 1 , c 2 , c 3 and c 4 ?...
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 Winter '09

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