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A chemical change

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Q: Formation of ethanol from glucose by yeast a chemical or physical change?
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Grape juice turns to wine chemical or physical change?

Grape juice contains mostly glucose (C6H12O6) and wine also has ethanol (C2H5OH). The ethanol is produced by fermentation of glucose by yeast cells. This is a chemical change.


What is the chemical equation for glucose to produce ethanol?

the chemical equation for glucose to produce ethanol is given below. It is done by The balanced equation for the fermentation of glucose to ethanol is as follows:


Fermentation is a complex chemical process of wine making in which glucose is converted into ethanol and carbon dioxide statrting with 500 4g of glucose what is the maximum amount of ethanol in grams?

C6H12O6 (180.16 g/ mol) ---> 2C2H5OH (46.07 g/mol) + 2 CO2 600.4 g glucose @ 92.14 g ethanol / 180.16 g glucose = 307.06 grams of ethanol can be produced 307.06 grams of ethanol @ 0.789g/ml = 389.2 millilitres ========= your answers: 307 grams of ethanol & 0.389 litres of ethanol


Is a photosynthesis a chemical or physical reaction?

Chemical-changing c02 into glucose


Is starch molecules that are formed from smaller glucose molecules a chemical or physical change?

The changing of extra glucose into starch is a chemical change.


What is the amount of ethanol produced from 1kg of glucose?

1kg of glucose produce 0.5kg of ethanol


How many molecules of ethanol can be obtained from one molecule of sugar?

From one molecule of glucose (sugar) you can obtain two molecules of ethanol. Glucose's chemical composition is C6H12O6 Carbon dioxide (Co2) is lost in the fermentation process so we are left with 2C2H5OH or two ethanol molecules! Hope it helps!


What type of chemical reaction would be involved in the formation of glucose from strach or glycogen?

condensation reaction


What type of chemical reaction would be involved in the formation of cellulose from glucose?

Dehydration synthesis. Cellulose is a polymer composed of many glucose molecules attached together.


Is glucose soluble in .95 of ethyl alcohol?

Glucose is soluble in ethanol.


What is the heat of reaction for ethanol fermentation from glucose?

-1277.36kJ is the heat of combustion of ethanol. It is not the heat of fermentation for the production of ethanol.


What enzyme is used to change glucose into fructose?

In the major pathway of ethanol metabolism the 2 enzymes involved are alcohol dehydrogenase, aldehyde dehydrogenase and thiokinase. ethanol + NAD+ <=> acetaldehyde + NADH + H+ (ethanol dehydrogenase) acetaldehyde + NAD+ <=> acetate + NADH + H+ (aldehyde dehydrogenase) acetate + coA + ATP <=> acetyl coA + AMP + PPi (thiokinase)