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ETHANOL C 2 H 5 OH - PowerPoint PPT Presentation


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H. H. H. H. C. C. O. H. H. ETHANOL C 2 H 5 OH. Making Ethanol 1: FERMENTATION. Warm a solution of sucrose or glucose (sugars) with a yeast catalyst (enzyme). T = 37 ° C yeast catalyst. C 6 H 12 O 6. 2C 2 H 5 OH + 2CO 2. glucose. ethanol.

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Presentation Transcript
slide1

H

H

H

H

C

C

O

H

H

ETHANOL

C2H5OH

slide2

Making Ethanol 1: FERMENTATION

Warm a solution of sucrose or glucose (sugars) with a yeast catalyst (enzyme)

T = 37°C

yeast catalyst

C6H12O6

2C2H5OH + 2CO2

glucose

ethanol

  • Maximum ≈ 12% (remember: alcohol kills yeast)
slide3

Making Ethanol 2: HYDRATION OF ETHENE

Reminder: addition reactions of alkenes

Very PURE

slide4

Dehydrating Ethanol

Hot Al2O3

catalyst

(Notice that this is the opposite of hydrating ethene)

C2H5OH

C2H4 + H2O

ethene: can test with bromine water