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Answered 2012-04-25 05:54:12

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Difference between boiling and evaporation?

boiling occurs only when the liquid is heated and at the boiling point vapor bubbles come from the bulk of the liquid. while in evaporation, vaporization occurs only at the surface of the liquid, not throughout the liquid and it occurs at room temperature


What occurs when particles escape from a non boiling liquid and become a GAS?

what occurs when liquid becomes a gas?


What liquid turns into a gas and how?

all liquids turn into a gas (including liquid metals but only at very high temperatures) A liquid changes into a gas when heat completely breaks the bonds between the particles. When heat is added to a liquid, small bubbles of gas soon begin to form within the liquid. When enough heat is added, these gas bubbles become large enough to float to the surface and boiling occurs. When a liquid boils, bubbles of gas escape into the air. This is known as vaporisation.


How is evaporation and boiling different?

In both cases, a phase change from liquid to gas occurs.evaporation normally is associated with a slow process where the liquid molecules, usually on or near the surface of the liquid, gain sufficient energy to overcome atmospheric pressure and the intermolecular forces of the liquid and escape as individual molecules of gas.boiling is usually a more rapid process involving the addition of heat to the liquid until the temperature is = to the boiling point of the liquid. At this point, the vapor pressure overcomes atmospheric pressure and intermolecular forces. In this condition, the liquid molecules not only at or near the surface, but also those within the liquid bulk, begin to vaporize. The result is the familiar bubbles of a boiling liquid. The bubbles are, of course, gas bubbles that escape the liquid as they breach the surface.


Is vaporization that occurs when particles on the surface of a liquid escape the liquid even when the liquid is below its boiling point?

No; this process is called evaporation.


Vaporization that occurs at the surface of a liquid?

That would be evaporation; the particles inside the liquid escape from the surface and into the atmosphere/air.


What occurs when particles escape from a non-boiling liquid and become a gas?

evaporation


Name the change of state that occurs when osmium is heated from 4000©to6000©?

The state of liquid to gas change.


What occurs when liquid changes to gas?

Liquid changes to a gas when it gets warm. This is called evaporation. Some examples of evaporation are when a pot of boiling water forms bubbles, or when hot shower create steam.


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 evoaporation?

Evaporation is a type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance. The other type of vaporization is boiling, which is characterized by bubbles of saturated vapor forming in the liquid phase.


How are evaporation and boiling different?

Boiling specifically means that the liquid's partial vapor pressure is equal to the atmospheric pressure.From Wikipedia: "Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point, the temperature at which the vapor pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding environmental pressure."Simple evaporation is a slow process where a liquid turns to cool vapor at temperatures below the boiling point. Boilingis a rapid process where a liquid turns to hot vapor when heated to the boiling point. Boiling involves the formation of bubbles of this hot vapor, which rise to the surface of the liquid, where they break and release the vapor.


What type of reaction is foam?

Its not a reaction strictly speaking. Foam is when gas is suspended by a liquid bubble on the surface of a liquid. Foam occurs when the liquids are of a certain density which accomodates the formation of these bubbles.


Does condensation mean when the sun warms water?

No. condensation occurs when water vapor cools and returns to the liquid state. Evaporation occurs when water is heated and becomes water vapor.


Why air bubbles are observed in the water when the round-bottomed flask is heated?

Great question! You may notice that air bubbles form of the bottom of the flask, long before it starts boiling, but it can't be evaporation, because that only occurs at the surface, so what is it? Well, as you know, there is oxygen "dissolved" in water (that is how fish and other marine life can survive in water). When water is heated, it actually not able to hold as much dissolved gas (which is the opposite of dissolved solids in water, the water can hold MORE when it is heated). This is because a gas is naturally more energetic then the liquid, so as it heats, its desire to escape from being dissolved grows faster then the liquids ability to hold it, so the water cannot hold as much. Well, as it heats, the air begins to escape and form bubble. these often happen at the bottom of the flask, because that water is heated first and fastest (so air escapes from them the soonest).


What is the definition of boil?

Boiling, a type of phase transition, is the rapid vaporization of a liquid, which typically occurs when a liquid is heated to its boiling point, the temperature at which the vapor pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding environmental pressure.


Why does spilled water will evaporate faster in hot weather then cold weather?

Because evaporation occurs when a liquid is heated to the point that it turns into a gas, so the higher the temperature the faster a liquid evaporates.


What are some chemical reactions that occur in the bathroom?

Washing with soap can be considered a chemical reaction. A chemical reaction occurs when the soap changes to liquid or bubbles on the hands.


Is melt a example of soild?

Melting occurs when a solid is heated until it becomes liquid. Ice left at room temperature melts into a puddle of water.


How does the size of the opening tube determine if a hot spring or a geyser is formed?

A geyser is essentially a hot spring that from time to time becomes hydro-dynamically and thermodynamically unstable. The eruption of a cone geyser occurs when super heated water in its tube is heated to the point where steam bubbles form


Type of evaporation?

Evaporation only occurs from a surface, and is a stochastic process that occurs when a molecule gains sufficient energy to escape the surface tension. i.e. it is the hotter of the molecules that escape - which is why evaporative cooling occurs of the remaining liquid.Depending on the pressure and temperature of the material, evaporation may occur from a liquid, or a solid.Water and alcohol are examples of the first, and water, and Dry Ice - (CO2) are examples of the second type of evaporation, and which is given the special name of sublimation.


How are evaportion and boiling different?

Evaporation occurs at the surface of a liquid at any temperature as long as the substance is a liquid. Boiling occurs throughout the liquid and occurs at the boiling point.


The solubility of a gas in a liquid occurs faster if the liquid is?

The solubility of a gas in a liquid occurs faster if the liquid is of warm temperature. There should also be partial pressure of the gas over the liquid.


Can wax sublime on heating?

No, beeswax will melt at 62-65°C, but if beeswax is heated above 85°C discoloration occurs. Above 200°C the liquid will flash.


Evaperation occurs when the earth's surface is heated by the?

Evaporation occurs when the sun heats the surface of earth.


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