Water vapor

is removed from seawater or brackish water. People have been trying to remove salt from seawater since around 300 BC. People such as “Aristotle in 1320 BC, Rome’s Pliny the Elder in 70 AD, Greece’s Alexander of Aphrodisias in 200 AD, French Explorer Jean De Lery in Brazil in 1565, and James Cook during his circumnavigation around the world have tried to desalinate seawater .” (Desalination Overview – November 2013) Humans and animals cannot drink salt water, as it would be harmful to their…

Freezing point is the temperature for a particular compound where the liquid freezes to form a solid (Chemistry Dictionary). If salt is added to water, it freezes at lower temperatures. If there are fewer water molecules, then freezing occurs at a slower rate (Salt and the Freezing Point of Water). Pure water freezes at 0º Celsius, but water that is combined with salt will freeze at a temperature less than 0º Celsius (Oleson, Andrew and Daly, Terik). A solvent is something in which other things…

mixed into water and be heated till it is boiling. The interest for this topic comes from how intermolecular forces affect the molecules by either repulsing and attracting molecules due to polarity. This idea interests me because when cooking and boiling salt water, it takes longer and for it to boil as well as mixing anything else into the water. Research Question: How does different chlorides affect the boiling point of water? Background research: When a solute is added to water the…

down the sides of the candle, which then re-hardened after exposure to the air. The flame, is a chemical reaction, which burns wax vapor, which combines with oxygen to produce carbon dioxide and water vapor. Without…

on Earth are water, carbon, nitrogen and phosphorus. Water is essential for life because it is an excellent solvent. Many different type of material can dissolve in water. Water transport nutrients and waste in and from the human body. Water is also found everywhere on Earth. It can exist as a liquid, solid or gas. Many organisms use water in order to flush toxins anything into and out of a cell. Without water there would be no vegetation on land and no oxygen. Basically without water life would…

Water is essential for life to exist on Earth. It exists as a solid, liquid, and gas and is common in every state. Covering about 75% of Earth’s surface and 70-90% of mass in living organisms, water is the most abundant liquid on Earth (Sarquis). In the Bible, water is mentioned many times in the Old and New Testament. The unique physical properties such as hydrogen bonding, evaporation, and surface tension are mentioned in the Bible and help to prove the existence of a Creator through not only…

ethanol was losing mass was was that after 20 minutes we could see a product of the ethanol burning, we could see some water vapor on the box covering the Ethanol and BTB. Because matter can not be created or destroyed to get water in the box some of the matter from the ethanol must have been transferred. When Ethanol is burned some of its matter is changed to carbon dioxide and water vapor. The proof is shown by the color change the BTB went through. The BTB went from a blue color to a…

1a) Yes, there is a correlation between the structures and the observed volatilities of compounds in Step (1a) and Step (1b). In Step (1a), n-pentane had the highest vapor pressure because the compound evaporated the fastest. N-heptane had the second highest vapor pressure, followed by n-decane with the lowest vapor pressure. The molecular structure correlates with the volatility because of the molecular weight for each compound. N-pentane is the lightest compound, followed by n-heptane and…

between an ionizing smoke detector and one that is not is that they tend to respond 30-90secs faster to fast flame fires than photoelectric fire alarms. . A cloud chamber is a sealed environment containing supersaturated vapor of water or alcohol. Supersaturated water vapor is a vapor ready to condensate, but lacking nuclei on which to condense. In this project 91% isopropyl alcohol is being used. When decay particles travel through the chamber,…

Sadi Carnot, in 1824, explained mathematical principle of refrigeration operation. It was described as a heat engine. In the process of vapor compression refrigeration the refrigerant has to complete phases in cyclic order. In this process, heat is removed and consequently the desired location becomes cool. It is a mechanical process. Indeed, refrigeration system is the process of several refrigeration cycles. It is the widely exploited method for various purposes such as refrigeration,…