Evaporation describes the process of a liquid changing to a gas. Usually, the surface parts of a pool of liquid vaporize into a vapor or gas first. Evaporation occurs in both cold and warm liquids.Know More
Warmer liquids evaporate quicker than cooler liquids. This is due to the fact that adding more energy to a liquid causes some of the molecules to become energized enough to release the liquid into the air. An example of this is when a pot of water boils on a stove. Once the water gets hot enough, liquid water converts and changes phases into a gas; if enough of the water is evaporating, it becomes visible as steam. Cold water can also evaporate.
Molecules in a liquid actually have different levels of energy. When this happens, some of the water converts into gas; that is why wind can increase evaporation rates. Evaporation also removes heat from a system, which is why when water evaporates on someone’s skin, they then feel cooler.
Evaporation is the mechanism that drives the water cycle. When water evaporates from the oceans, it rises into the atmosphere and eventually falls again as rain, which is then fresh water since the evaporating water loses all of the salt from the oceans.Learn more in Solutions & Mixtures
Cryogenic refrigerant is a gas that is used in the process of cooling materials that acts as the key component in the process of cryogenic freezing. This process turns gases that would otherwise remain gaseous at natural temperatures into liquids, making them easier to transport in large quantities.Full Answer >
Osmosis is the process by which a liquid moves through a semi permeable membrane. Several factors affect osmosis including temperature, surface area, difference in water potential, pressure and concentration gradient.Full Answer >
The water cycle is responsible for distributing water across the earth through evaporation, condensation and precipitation, a process that is vital for sustaining life on earth by providing water to plants, animals and humans. It is also the driving force behind the earth's climate. Clouds are formed through condensation, and temperature is regulated through evaporation and water vapor in the air.Full Answer >
Argon gas is used in fluorescent and incandescent light bulbs to stop the oxygen in the light bulbs from corroding the hot tungsten filament.The use of argon in light bulbs prevents the evaporation of the tungsten filaments, which results in increased light bulb life.Full Answer >