0
Why does ethanol have to be cold and not room temperature in the synthesis of alum?
Wiki User
∙ 7y agoWant this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Why fats is soluble in cold ethanol and not soluble in cold ethanol?
Have another go at writing the question.
What does temperature decrease on?
it depends on the temperature because if it is a cold temperature the temperature will decrease.
What happens to the temperature and humidity in a cold front?
Temperature is lowered. Humidity is increased in a cold front.
If the temperature is low?
If the temperature is low , the air will feel cold.
What is mean by ice cold water?
Ice is cold, right? So the term 'ice cold water' is just comparing the temperature of the water to the temperature of the ice.
Why is cold ethanol used instead of room termperature ethanol?
Cold ethanol is most likely used instead of room temperature ethanol in order to prevent the ethanol from evaporating. When the temperature of something decreases the molecules speed decreases as well making it less likely to evaporate.
Where can you buy alum powder for cold sores?
There are better products for cold sores than alum. However, you can buy alum in the spice department in most grocery stores.
Why fats is soluble in cold ethanol and not soluble in cold ethanol?
Have another go at writing the question.
Why is ethanol cold?
It is not cold, the reason u feel ur hand cold when some ethanol reaches it is that it starts vaporizing so it absorbs the heat of ur hand so u feel it cold,
Why does ethanol need to be cold?
To increase yield of DNA
How to use alum powder?
Put alum in some water allow it to dissolve. Then use it and wash your mouth for a week or two.
Why does a few drops of ethanol poured on your arm feel very cold?
Ethanol is an alcohol-based liquid. Alcohols evaporate when warmed - the heat from your arm causes the ethanol to evaporate - taking the heat from your arm as it does, which makes your skin feel cold.
Does decrease mean cold or hot?
temperature decrease is cold temperature increase is hot
What is intensely cold temperature?
Intensely cold temperature is called frigid.
What temp do field mice die?
Cold temperature Cold temperature
Hot Approach and Cold approach in heat exchanger?
Hot Approach: It is difference in temperature of hot fluid inlet temperature and cold fluid outlet temperature Cold Approach: It is difference in temperature of Hot fluid outlet temperature and cold fluid inlet temperature. Mohsin
What is the purpose of ice-cold ethanol?
In an experiment to extract DNA from something like an onion or strawberry, the last step is to slowly pour ice cold ethanol into the test tube. This causes the DNA to precipitate out of the solution and white stringy material appears a the boundary of the ethanol and prepared DNA solution. The reason why it happen is because ethanol solution break down the nuclear membrane and cell membrane.
