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The boiling point of ethanol
is 78.4 degrees celcius at 1.0 atm. (760mmHg) pressure
There is not one boiling temperature, because it depends on the overlaid gas pressure (normally air, but that is not important).
The given boiling POINT is a temperature at a certain pressure, this is just one POINT of the (so called) p,T-line of all pressures and temperatures possible for boiling ethanol
Wiki User
∙ 14y ago
Wiki User
∙ 16y agoThe boiling point of a substance, in this case alcohol, is the temperature at which it changes state from liquid to gas (evaporation) throughout the bulk of the liquid. At the boiling point molecules anywhere in the liquid may be vaporized. for alcohol the evaporation temperature is 79C.
http://www.connectture.com/pp-Sarah214.aspx
Wiki User
∙ 8y ago12.1 Celsius or 53.78 Fahrenheit.
Leaving at room temperature will evaporate ethanol, but will also pull moisture from the air, progressively diluting it to a lower proof - which would then change the evaporation temperature as it becomes a higher water content.
Wiki User
∙ 12y agoYes, Ethanol or other alcohols are often found in Aftershaves and perfumes. Its these alcohols that give that 'cooling' feeling when you apply them, as the alcohol starts to evaporate on contact with the skin (~38 c) Its flash point is 14c (lowest temperature at which it can vaporise at 25c/102kPa aka STP)
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∙ 15y agopure ethanol boils at 173 degrees Fahrenheit
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∙ 15y agoyes
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∙ 11y ago98
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Why must porcelain chips be heated first in dehydration of ethanol?
To make sure that there is no liquid in the porcelain chips that would evaporate during the dehydration of ethanol which can cause the experimenter to wrongly believe that the ethanol dehydrated more than it actually did.
How could one determine whether a colorless liquid contained ethanol or ethanol and sucrose?
That could be determined fairly easily by taste. Sucrose has a sweet flavor which ethanol does not.
If you put ethanol and water together in a beaker which would evaporate first?
Ethanol would because it has a boiling point of 78.4 C where as water has one at 100 C.Through this process breweries and wineries can distill their liquors and find the percent off ethanol (alcohol) by volume.
Water and ethanol can mix easily in all proportions. why?
Water and ethanol have both OH GROUPS SO THEY CAN DO THE H.BONDING EXTENSIVELY. That is why they can mix with each other
What kind of solar radiation causes water to evaporate?
All types do, though the shorter wavelengths carry higher energy, which allows them to evaporate water more easily.
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.
Why does water evaporates the fastest?
The question is based on a lack of understanding of the process of evaporation. Water does not evaporate the fastest - ethanol, for example, will evaporate faster.
Does the ethanol evaporate faster than a water?
yes it evaporates faster than water.
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.
What are the four liquids that can evaporate easily?
Water ?
Why do solvent molecules evaporate easily?
because it did...
Why does surgical spirit evaporate faster than water?
The ethanol enthalpy of vaporization is lower compared to water.
Why must porcelain chips be heated first in dehydration of ethanol?
To make sure that there is no liquid in the porcelain chips that would evaporate during the dehydration of ethanol which can cause the experimenter to wrongly believe that the ethanol dehydrated more than it actually did.
How could one determine whether a colorless liquid contained ethanol or ethanol and sucrose?
That could be determined fairly easily by taste. Sucrose has a sweet flavor which ethanol does not.
How do you collect ethanol if it is in a mixture with water?
Distillation. Ethanol can be easily collected from water using distillation up to 97% purity.
Definition of non volatile liquid?
the liquid which do not evaporate easily
How much heat is needed to vaporize 1.25 kg of ethanol?
The boiling point of ethanol is 78 C but it can evaporate slowly at just room temperature. You can set it on fire and it will vaporize even more quickly.
