alcohols
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what are alcohols functional group
OH and they end in “ol” suffix
properties of alcohols
• flammable • undergo combustion to produce carbon dioxide and water • react with sodium to produce sodium ethoxide, sodium salt -reacts with carboxylic acids to make esthers • reacts with oxygen to make carboxylic acids
why are alcohols used as solvents
because they can dissolve things that water cant dissolve, such as hydrocarbons, oils and fats
why are alcohols used as fuels
they burn cleanly and is less smelly
what is fermentation
an anaerobic process which converts sugars into ethanol - sugar –> ethanol + carbon dioxide
conditions needed for fermentation
• sugars dissolved in water, and mixed with yeast ( a slightly acidic solution) • warm temperature 25-35 degrees
what happens if yeast cells needed for fermentation get too hot
their enzymes become denatured and fermentation stops.