Liquid oxygen

their size or surface area. They have diverse applications in electrical devices. Nanocrystal thin film transistors (NC TFTs) have been intensively researched, because of their low-temperature processability.1,2 Colloidal NCs are synthesized in a liquid solution containing some stabilizing organic molecules, broadly termed as surfactants, which are bulky and insulating ligands. The individual NCs in the thin film are indeed separated by these ligands, which significantly inhibit the charge…

(luminol) formed and then was filtered using a vacuum apparatus. To assemble the apparatus, a funnel fitted with filter paper was inserted into a filter flask (attached to the vacuum trap). As mixture was poured into the funnel, the vacuum drew out liquid and the solid could dry. The resulting weight of the product is then…

Abstract A spontaneous, one-pot strategy for the room temperature biosynthesis of gold nanoparticles (AuNPs) using Cocos Nucifera Linn (coconut palm) coir extract is described. The formation of AuNPs was observed within 30s of reaction time between the metal precursor and coir extract. The bioextract acted as both reducing agent and a stabilizer. The influence of various experimental parameters such as % volume fraction of coir extract, concentration of metal precursor, contact time and solution…

give a small amount of facts and information about the air pollution and its effects and how to fight it properly. Air pollution is when the air is filled with foreign substances, and these substances could be anything or in any state like gases or liquids or solids, it’s just once they are foreign to the natural air mixture then they are polluting. And the effects of the air pollution vary from effects on humans to effects on the environment its self, and they are all damaging effects, there…

testing because borax gels polymers allowing the plastics, the bonds, to be even stronger. “Borax ions between hydroxyl group crosslinking” allows the borax to get in between the polymer strands making it more durable. Between each hydrogen-carbon, and oxygen bonds the borax fits merging each monomer therefore making it stronger. It became harder to poke a hole the more borax we added for this reason. At 4 mL the average was at 7.96 Newtons but at 12 mL is was 8.77 Newtons, although not much of…

and deshields it. Hc 1.509 ppm was a quartet because it is between two other ones giving it more splitting patterns. Hd 1.649 ppm was a multiplet there were eight neighboring hydrogens. He 0.922 ppm was a doublet it. The closer the hydrogen is the oxygen the more deshielded it become. Comparing the isopentyl acetate and isopentyl alcohol the differing factor was the peak at 4.082 ppm for isopentyl acetate and a peak that should have been at 3.62 ppm if the final product had isopentyl alcohol the…

This essay discusses the negative affects of the Florida sugar fields on the environment. It goes into detail about how the pollution of the sugar cane fields effect the Florida tourism and fishing industries. It talks about the chemicals that the fields dump into the waterways which end up effecting anywhere from the Gulf of Mexico to the Atlantic Ocean. The essay also talks about the burning of the fields and how horrible the burning actually is for the surrounding areas. The essay talks about…

1. Which one of the following would make the most suitable catalyst in the decomposition of hydrogen peroxide (H2O2)? A. Carbon dioxide (CO2) B. Sodium chloride (NaCl) C. Magnesium oxide (MgO) D. Manganese dioxide (MnO2) 2. If the temperature of a reaction is decreased, what effect will this have on the rate of reaction? A. It will have no effect. B. The reaction will stop. C. The rate of reaction will increase. D. The rate of reaction will decrease. 3. Given the equilibrium reaction in a closed…

Title: Aquatecture Background: A third of the earth is covered in water, and most of the world’s population lives close to large bodies of water, including the Philippines which is made up of islands. Thus encouraging naval architecture and stilt designs Water has been important in helping create architecture, from the people who lived by the two rivers; Tigris and Euphrates to the people of Dubai who are living on artificial islands today. Since we highly depend on, use and live with water, it…

This material is suspended in the air and gives negative effects to humans, plants and also animals. These materials will be entered into the human body through breathing and was be able to stop the flow of oxygen into the blood vessels. Wark and Warner (1901) point out that “air pollution as the presence of one or more a dangerous to human, animal or disturb the living environment”. According to Wikipedia, air pollution is the release of dangerous substances…