- 1 Use The Following Information To Answer Question 3 Ethanol Is The Alcohol Found In Beer Wine And Whiskey In The Pro 1 (48.65 KiB) Viewed 41 times
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1 Use the following information to answer question 3 Ethanol is the alcohol found in beer, wine, and whiskey. In the production of ethanol, the starch in barley, grapes, or corn is reacted to form glucose in the presence of enzymes. During the fermentation process, yeast is added to the glucose. The yeast contains enzymes that act as biological catalysts in the reaction of glucose into ethanol and carbon dioxide. The reaction may be represented by the equation C6H1206(6) -- 2 CO2(8) + 2 C2H5OHO 3a. The molar enthalpy of reaction for the fermentation of glucose is_kJ/mol. (show all work) Use values on pages 4 and 5 for your calculation
3b: Draw and energy pathway diagram for the uncatalyzed chemical reaction (assume this is a one-step reaction) Ensure that your graph: • Includes a title Has labelled axis • Includes reactants and products Enthalpy Change Activation Energy . . .
. 3c On the same graph draw the catalyzed pathway Draw the reaction pathway that would result if yeast was added • Label the location of the activated complex on your graph 3d: The enthalpy change for the catalyzed reaction is: kJ/mol Use the graph below to answer question 4 Ep (1) X Reaction Coordinate 4a) is the reaction shown above endothermic or exothermie? 46) What do Y and represent on the graph? 4) Explain the energy changes that occur at different points during the reaction progress referring to the conditions needed for a successful reaction activated complex, as well as potential and inetic energy
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5c) Draw and energy pathway diagram for the reverse uncatalyzed chemical reaction (assume this is a one-step reaction) Ensure that your graph: • Includes a title • Has labelled axis • Includes reactants and products • Enthalpy Change • Activation Energy WA Sd) Compare the forward and reverse reaction in relation to: Activation Energy Magnitude of the Enthalpy Change: