Evaporation and Boiling
If water is put on the floor on a cleaning operation, it tends to dry rapidly after a short time. In this position, we say that the water evaporates. Basically what happened is this means that changes in water levels from liquid to gas or steam. Evaporation occurs when molecules escape the surface of a liquid when they have enough kinetic energy to go off from the body of liquid.
When a liquid is given some temperatures, liquid molecules tend to be always moving faster. The result is most of them will be able to draw on the surface and escape into the air. With continued heating, it will reach some temperature level point where the reached temperature causes liquid molecules from inside also have the kinetic energy to vapor. The temperature at which this occurs is when the boiling liquid of temperature is achieved. Water boils at 212F (100C) and as a comparison mercury boils at 675F (357C). Some hydrocarbon materials like Freon, boils at -21.6F (30C).
Evaporation is very different to boiling. Evaporation can happen at any temperature. Boiling is much more limited and found only one temperature for a given material. In addition, evaporation is only taken place on the surface of a liquid. On the other hand, boiling happens in the liquid.
The speed at which a liquid evaporates depends on the intrinsic value of material. Some material evaporates faster than water, they are: alcohol, chloroform and ether. There are some possibilities where increasing evaporation can be performed.
The addition of heat. When the heat in a fluid is present, the molecules tend to be more active. This allows the material to escape from liquid surface and relatively easy to avoid increases evaporation.
The spread of liquid in a larger area. When liquid is spread over a large area, the individual molecules appear to be close enough to the surface. This carry out each molecule to escape from a small chance that streamlines the process of evaporation.
By reducing the pressure in the liquid. A reduction in pressure causes the liquid to provide the air above a fluid, less resistance in each molecule. A reduction in fluid pressure will make molecules moves easily in the liquid molecules.
Giving the continuous exchange of moisture from the burden of air above the liquid with fresh air. Fanning or blowing air on the surface of a liquid causes more molecules in the air does not move and an opportunity to return to liquid.
If water is heated, the temperature is fairly constant until it achieves 212F (100C). Thereafter, a further warming of the water to cook the cause and turn into steam. The temperature of the liquid, however, continue to 212F (100C remain). This property of water shows two things very important to boil liquids. One of them deals with the idea that the boiling of a liquid remains the same worm as long to cook. Secondly, we need a certain amount of heat a liquid to gas or steam to change the situation. According to the kinetic energy, a certain amount of heat necessary to reduce the binding forces of a liquid, so the molecules can be separated from their neighbors.