1)  The starch in 25kg (~1 bushel) of corn is hydrolyzed and in the process 1.8kg of water (H2O) is consumed.  How many moles of glucose (C6H12O6) would you expect to be produced? C6H12O6      ->     2 CO2  +  2 C2H5OH. 2)  If the glucose from the above hydrolysis is fermented, how many moles of ethanol (C2H5OH) would result?  How many grams? 3)  If ethanol has a density of 0.789g/ml, what would the volume of the ethanol be in ml?  What would the volume be in gallons (1gal = 3785ml)? 4)  The above ethanol could be converted to Vodka by diluting to 50% ethanol (adding enough water to double the volume).  What would the volume of the resulting Vodka be in ml?  If the volume of a “shot” of Vodka is 30ml, how many shots of vodka could be produced from a bushel of corn?

Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter20: Carbohydrates
Section: Chapter Questions
Problem 20.67P
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1)  The starch in 25kg (~1 bushel) of corn is hydrolyzed and in the process 1.8kg of water (H2O) is consumed.  How many moles of glucose (C6H12O6) would you expect to be produced?

C6H12O6      ->     2 CO2  +  2 C2H5OH.

2)  If the glucose from the above hydrolysis is fermented, how many moles of ethanol (C2H5OH) would result?  How many grams?

3)  If ethanol has a density of 0.789g/ml, what would the volume of the ethanol be in ml?  What would the volume be in gallons (1gal = 3785ml)?

4)  The above ethanol could be converted to Vodka by diluting to 50% ethanol (adding enough water to double the volume).  What would the volume of the resulting Vodka be in ml?  If the volume of a “shot” of Vodka is 30ml, how many shots of vodka could be produced from a bushel of corn?

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