THE 32 MOST IMPORTANT EVAPORATION EXAMPLES - CULTURE VOCABULARY - 2024

Some of the most prominent examples of evaporation are the simple drying of water, the evaporation of sweat, the extraction of salt, the evaporation of the sea from the ocean, the natural drying of the body after a shower, among others.

Evaporation is the process by which water changes its state from liquid to gas or vapor. Water boils at 212 degrees Fahrenheit or 100 degrees Celsius, but begins to evaporate at 32 degrees Fahrenheit or 0 degrees Celsius. As the temperature increases, the rate of evaporation also increases.

Evaporation is one of the phases of the water cycle.

The amount of evaporation depends on the temperature and the amount of water. For example, there is not much evaporation in the Sahara desert, but why? Although it can be extremely hot, in the Sahara there is only sand; there is not much water to be evaporated.

If the molecule of a liquid gains enough energy in the form of heat from the environment, then it turns into vapor.

Evaporation occurs in the surface part of a liquid, not through the whole body or volume. When evaporation occurs, the pressure of the vapor is lower than the pressure of the surrounding atmosphere.

Evaporation is a process by which atoms or molecules that are in a liquid state (or a solid state, such as ice) obtain enough energy to enter a gaseous form.

List with examples of evaporation

Evaporation is a chemical phenomenon with a high incidence in daily life and also in industrial and research processes. We come across this process on a daily basis without noticing it.

1- Drying clothes in the sun

Many people place freshly washed clothes in the sun to dry. In fact, the water is removed from the fabric through evaporation, a product of the heat in the environment.

2- The drying of the water in the streets

When it rains, the streets of the city usually form pools of water that are easily observable, but with a very short duration. This is because evaporation takes place and evaporates the water in these puddles turning it into steam.

3- Evaporation of seas and oceans

Although this is a bit more difficult to observe, the seas and oceans are constantly evaporating, which causes rain. The water rises to the clouds and causes them to charge, causing precipitation.

In coastal cities, humidity is always a constant because the water from the seas mixes in the environment giving that feeling of humidity and heavy environment.

4- Cooling the tea

The tea is cooled giving as a product the steam that emanates from the cup. This causes the heat to dissipate, and allows us to drink tea. Hot molecules on the surface are evaporated, taking the heat with them.

5- Evaporation of perspiration from our body

The sweat from our body evaporates, taking away the heat. Sweat manages to evaporate due to its liquid characteristic.

6- Drying the wet floor

As with puddles, when liquid is spilled on the floor or cleaned, the heat causes this liquid to evaporate, leaving it completely dry.

7- Evaporation of nail paint remover

When acetone is applied to the nails to remove the enamel, it is evaporated by the heat action.

8- Dry ice

Dry ice, when extracted from its refrigeration, evaporates due to the pressure exerted by heat to break the surface tension of the ice.

9- Ice cube

When you take out an ice cube, it begins to melt and then takes the form of liquid (water) that will be evaporated by the action of heat.

10- Internal water in kitchen pots

In general, when water is boiled and covered, the object used as a lid is impregnated with a few drops of water from the steam that could not escape from the pot.

11- Water evaporated from the pan

When cooking meat, for example, certain cooks add water to the pan to soften the product. The water evaporates itself as a result of the heat exerted by the flame in a very short time.

12- Salt

Salt is created by the evaporation of sea water through industrial or natural processes, resulting in salt crystals.

13- Natural drying of the body

After showering or leaving a pool or beach, we do not need any towel because the same heat causes our body to dry at a slower but safe speed.

14- Distillation

Distillation is a process in which two mixtures are separated through boiling. To achieve this, evaporation allows the separation of substances.

15- Cooling towers

This is one of the most important applications of evaporation. The most iconic cooling towers are those seen in photographs of nuclear plants.

Here the water is used to cause steam that turns on turbines to generate electricity. It releases energy through the evaporative process before it returns to its cycle.

16- Evaporation to dry or concentrate samples

It is a common and preparatory step for many laboratory analyzes, such as chromatography. These systems used for this purpose include rotary evaporators and centrifugal evaporators.

17- The Matka

It is a porous handicraft from India that acts as a container for the storage and cooling of water and other liquids.

18- The jug

A traditional Spanish instrument that fulfills the same function as the Matka. It works to cool the water contained within this craft.

19- Evaporative coolers

They can significantly cool a building simply by blowing dry air through a water-saturated filter.

20- Product concentration

It allows the concentration of a product to obtain, for example, molasses in the sugar industry.

21- Crystallization

Evaporation is also used for crystallization.

22- Food processing

It is used to process milk, coffee, juices, vegetables, pasta and concentrates.

23- Vaporization combustion

Gasoline droplets vaporize as soon as they receive heat, mixing with hot gases in the combustion chamber. The heat energy can also be received by the radiation emanating from any refractory chamber of the combustion chamber.

24- Steam from a pressure cooker

These pressure cookers produce great heat inside, with a small seal through which the steam comes out.

25- Ironing

Ironing is also an example of steaming. Some irons require water, which is then evaporated and allows the fabric to be ironed.

26- Cloud formation

Clouds are formed by water, mixed with other chemical components such as oxygen, and helium.

27- Saunas

Saunas. Hot springs are vaporized waters where the heat relaxes the muscles of the body.

28- Evaporation of small lakes and lagoons

29- Kitchen

Evaporation produced by boiling water to make coffee or tea. Steam cooking is also an example of evaporation.

30- Acceleration of production processes

Evaporation is a natural phenomenon with a high incidence in the daily life of humanity.

It is also used industrially to accelerate production processes, as well as in the pharmaceutical and chemical industry for the distillation and obtaining of mixed substances.

31- Obtaining energy

Evaporation is also used as a mechanism for obtaining energy, see nuclear plants or hydroelectric plants where evaporation plays a fundamental role in energy processes. As noted above, steam causes turbines to turn on releasing energy.

32- Air conditioners

Air conditioners also evaporate water through steam, generating the characteristic cold of these devices in an artificial way.

It should not be confused with boiling, because it requires an essential physical condition and a temperature greater than 100 degrees Celsius. However, evaporation can occur at temperatures from 0 degrees to 100 degrees.

It should be noted that in cities with higher humidity, there is water in the environment in the form of vapor, due to its proximity to the coasts.

References

1. Ing. Santibañez, María C. Tecnología Azucarera. MINAZ National Sugar Training Center. City of Havana, Cuba, 1983.
2. Silberberg, Martin A. (2006). Chemistry (4th ed.). New York: McGraw-Hill. pp. 431-434.
3. Paul J Capobianco. Quora.