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Untill a balance between the liquid - let's say water - and the substance surrounding it - let's say the air - is reached. The factors influencing evaporation - when the molecules of water leave the liquid and 'fly' with the molecules of air - are the relative air humidity, pressure, temperature, (air and water movement, and so on).
Water will evaporate until air humidityl allow it - that is until a moment when a full saturation of the air with the molecules of water is reached - at a given temperature and pressure!
Water evaporates very slowly at room temperature, but being heated the process is intensified.
Again, even at the room temperature water will evaporate when put in a vacuum - until the empty space will be filled with the molecules of water .
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Why alcohol vapourises faster than liquid?
Alcohol vapourises faster than liquid because it is a volatile fluid
Distillation of alcohol?
The separation of alcohol from a fermented liquid is by heating it until the alcohol vapourises and then condenses into liquid again.
Can petrol vapour burn?
yes, very easily Liquid petrol doesn't actually burn. It vapourises before it ignites.
Where is the wax of the candle going?
It vapourises and burns.
How do super glues work?
The carrier vapourises in air, then the product is joined.
What happens to a liquid when its heated?
Expands and then vapourises. If in an enclosed space, will cause increased pressure and became dangerous with respect to leaks and possible explosion.
At what temperature can vaporization occur?
Vapourisation (as opposed to Boiling which occurs at "BOILING POINT" only) occurs at all temperature. The rate of vapourisation depends on the type of material (substance) you are talking about. Generally the lighter the substance (i.e the less dense it is) the faster it vapourises. Hence alcohol (which is less dense than water) vapourises faster than water. Water vapourises at all temperature (even at 0C) but boils at 100C.
Why does a scented candle smell stronger when lit than when unlit?
Because when lit the heat vapourises the scent.
What the of change is a change of state?
The solid wax of the candle melts, and eventually vapourises, then burns and becomes a gas.
What is the change of state in a lit candle?
The solid wax of the candle melts, and eventually vapourises, then burns and becomes a gas.
How does kinetic energy relate to the heating of water from a solid to a gas?
The motion of the atoms/molecules means they have kinetic energy. When you heat something, that is how the heat is stored. If the motion gets too big, the atoms/molecules no longer stick together and you get a liquid, ultimately a vapour or gas.
Why is solvent glue dangerous?
By the nature of it's use, solvent glue vapourises to harden. These vapours can be harmful in many cases.
