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Why is evaporation called surface phenomenon whereas boiling is bulk phenomenon?
Wiki User
∙ 10y ago
cos the boiling point 100 degree celcius
Wiki User
∙ 10y ago
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What is the difference between boiling and burning?
boiling is the heating of a liquid 'til it begins evaporating whereas burning is the heating of a solid 'til it crumbles and turns to carbon
What is the difference between a boiling tube and test tube?
A boiling tube is for boiling chemicals or metals, a test-tube is for holding chemical reactants. Test tubes are slimmer, boiling tubes are wide and are made of thin glass
Why bismuth has lower boiling point than antimony?
Bismuth has lower boiling point than antimony because Bismuth has 6 electron shells whereas Antimony has 5 electron shells.
Is the boiling point of hydrogen higher or lower than fluorine?
yes,because in hydrogen molecules are closely bounded whereas in fluorine molecules are not closely bounded
What is the boiling point and freezing point of fahrenheit?
Fahrenheit is a person or a temperature scale, while boiling and freezing points are physical properties of chemicals. You need to be specific in asking which chemical's boiling and freezing points. Water has a freezing point of 32 degrees F, and a boiling point of 212 degrees F.
Why is evaporation a surface phenomenon whereas boiling is a bulk phenomenon?
Boiling occurs in bulk and at the boiling point; all of the liquid is hot enough that any additional energy will cause it to become a gas. Evaporation occurs at the surface and at a temperature under the boiling point, because only at the surface can the hotter components of the atomic or (usually) molecular components of the liquid escape from the liquid, when most of the liquid is not hot enough to change into the gas phase.
Is evaporation the same as boiling?
they are both vaporization process, but evaporation occur on the surface and boiling occur by forming completed bubbles from the bottom.
What are the difference of evaporation and boiling point?
Boiling point is the temperature at which the vapour pressure of liquid equals the pressure surrounding the liquid and the liquid changes into vapour whereas, normal boiling point can be defined as the case in which, vapour pressure of liquid equals defined atmospheric pressure at sea level, 1 atmosphere.
How does boiling from evaporation?
Evaporation is much slower than boiling, and it can happen at any temperature (above zero Kelvin) whereas boiling only happens at the boiling point. Evaporation happens when a liquid molecule has enough energy to escape from the surface of a liquid - this is why you can smell perfume and why puddles disappear in warm weather As these molecules build up above the surface of the liquid, there is a build up of pressure. This is called the saturated vapour pressure. When the overall temperature of the liquid is high enough, the saturated vapour pressure increases until it is equal to atmospheric pressure - this is called the boiling point.
What is the main difference between boiling and evaporation?
The main difference between boiling and evaporation is that boiling is much faster. Boiling also often takes place at the bottom of the fluid (where the heat source usually is) whereas evaporation takes place only at the surface. So boiling can produce bubbles, while evaporation doesn't.Evaporation is the process by which molecules in a liquid state (e.g. water) spontaneously become gaseous (e.g. water vapor), without being heated to boiling point. It is the opposite of condensation. Generally, evaporation can be seen by the gradual disappearance of a liquid, when exposed to a significant volume of gas.Boiling is very rapid evaporation starting within a container of water.Normally evaporation occurs at a much slower rate than boiling because most evaporation occurs with room temperature water.Boiling occurs only when the liquid is heated to the boiling point, and vapor bubbles come from the bulk of the liquid. In evaporation, vaporization occurs only at the surface of the liquid, not throughout the liquid, and this occurs at lower temperatures.
What is the same about evaporating and boiling?
Both involves heating thesurface of the liquid for a particular temperature an when the liquid attains boiling point it gets boiled whereas when it attain s evaporation temperature it gets vaporised
How does boiling differ from evaporation?
Boiling is when a liquid is changing to a gas because it has gained enough energy, usually through heat, to overcome the pressure pushing on the liquid and the intermolecular forces between the molecules of the liquid. Evaporatation is essentially the same thing as boiling, just like freezing is the same solidification.
Is evaporation and gas the same?
no, evaporation is water, gas is, well, a form of a single element. whereas water is two
What is a non example for evaporation?
A banana is a good non-example. Evaporation is a process whereas a banana is an object, and so clearly a non-example.
How is melting different from evaporation?
Melting is the process when a solid changes into a liquid, whereas Evaporation is the process when a liquid changes into a gaseous state E.G Melting - Ice -> Water Evaporation - Water -> Vapor MELTING- ice-gas no
Why does silicon tetrachloride have a low boiling point?
It is not so low. Silicon tetrafluoride has a boiling point of -98.6°C whereas the chloride form is 57.6°C.
What is the difference between boiling and burning?
boiling is the heating of a liquid 'til it begins evaporating whereas burning is the heating of a solid 'til it crumbles and turns to carbon
