Alcohols - Part 2 Flashcards
How to make normal alcohols?
Using Fermentation (Yeast)
What is the Word Formal for Fermentation?
Glucose - Ethanol + Carbon Dioxide
What is the Symbol Formal for Fermentation?
C6 H12 O6 (aq) - 2C2 H5 OH (aq) + 2CO2 (g)
What is the enzyme in Yeast?
Zymase
What is the temperature of Yeast?
30 Degrees
What sugars are used?
Plant Sugars
How do you make Spirits?
Distillation of the fermented plant mixture
What temperature does the distillation need to be?
78 Degrees
How many grams of ethanol or in a unit of alcohol?
10g
If top is left off on wine it…
Will undergo microbial oxidation and turn to ethanoic acid (Vinegar)
Is Ethanoic Acid weak or strong acid?
Weak
What can Alcohol be used as?
A Biofuel (Bioethanol) which is made of pure ethanol and is clean
Why do we need to use biofuels?
As Crude Oil is running out and is renewable
What can Alcohol be used as?
A Biofuel which is made of pure ethanol and is clean
Why do we need to use biofuels?
As Crude Oil is running out
Why can we not use them?
As cars would need to be changed so is expensive
What are the conditions to achieve fermentation?
A temperature
Absence of Oxygen
pH between 4 to 7
30 degrees
What are the conditions to achieve fermentation?
A temperature
Absence of Oxygen
pH between 4 to 7
30 degrees
How do you obtain ethanol from the mixture?
- Filtering the yeast
2. The mixture is distilled
How do you obtain ethanol from the mixture?
- Filtering the yeast
2. The mixture is distilled
Does ethanol have a lower boiling point than water?
Yes which means ethanol can evaporate quicker in the flask
What are the health problems with drinking?
- Liver and Kidney Failure
- Cancer
What are the social impacts of drinking?
- Anti-Social behaviour
- Domestic Violence
What are the economic impacts of drinking?
- Wasting emergency services time
- Tax on alcoholic drinks
Is Ethanol a solvent?
Yes it does not dissolve in water
What can ethanol be used for?
- Disinfectant
- Drugs and Medicines
