Question: answer questions b - c please H-12 You may use only a calculator, pencil and/or pen to answer the following questions. Please show your work.

answer questions b - c please
answer questions b - c please H-12 You may use only a

H-12 You may use only a calculator, pencil and/or pen to answer the following questions. Please show your work. A few equations are listed on te final page of the exam for your reference. 1) You wish to ferment glucose into ethanol and carbon dioxide using yeast in a bioreactor. The chemical reaction is: Hoe CHUO 2. CHOH + 2.co. C-3 OR 0-3 a) Determine the stochastic coefficients requires to balance the chemical reaction. Write the balanced equation for the reaction below. (5 pts Co HO6 26 H GOH + 2202 1.02g 1000m b) You load the reactor with 10 L/batch of a solution that is 20% glucose by weight. You can assume that the density of the solution is 1.02 mL in both the input solution and the output solution. You measure 10% glucose in the output solution. What is the reaction rate? (5 pts) 3 (104 baten) (0.2) - 101/bath Co.) Iowa = 1L/ baten (1) mt 1020 1070 c) What is the percentage of ethanol by weight the output solution? (5 pts) MW of ethanol = 46 g/mol MW of glucose = 180 g/mol MW of carbon dioxide = 44 g/mol ethanol Imol 3 IL (1029 = 1020g 3 1020g (ing) = 2linel lozogl Indo - sicer met glucose imol 186 carbon dioxide Imel 10709) 23 mol 44

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