Fluorine

Deforestation increase the level of carbon dioxide in the atmosphere because when trees are burned carbon dioxide is released, carbon dioxide is also, released when trees are decomposed by microorganisms. Cutting down trees also, reduces the amount of carbon dioxides taken up by the photosynthesis and trapped in the wood and carbon dioxide is greenhouse gas therefore, Trees play a huge role in the carbon cycle. They convert the CO2 in the air to oxygen, through the process of photosynthesis.…

Energy profile of exothermic reaction Energy profile of endothermic reaction A)Doc Brown (2016) B)Doc Brown (2016) Thermodynamic reactions occur when there is a difference of energy during a chemical reaction. There are two types; Firstly, Exothermic reactions; This is when the initial reactants use less energy to break their existing bonds, than what energy was required to make the new bonds. The extra heat is spreads out into the surroundings (see above diagram A) An…

conditioner worldwide. Their company headquarter is developed in Osaka, Japan. Daikin has operations not only in Japan but also in China, Australia, India, Southeast Asia, Europe and North America. It is the world second largest corporation in the fluorine chemistry industry. In the early 1960’s, the company was renamed Daikin Kogyo Co Ltd. However in the 1980’s, it was renamed to the current Daikin Industries Ltd. In 1997, Daikin has established its company in China, which is Daikin Fluoro…

bloodstream to cells just like glucose, but cannot be metabolized. As a result, 2-deoxyglucose builds up rapidly in highly active cells. By using radiolabeled 2-deoxyglucose, in which one of the hydrogens is replaced with a radioactive element like fluorine, the molecule can be detected because it emits gamma rays. By using gamma ray cameras outside the body, much like a CAT scan, highly active regions of the brain can be detected and imaged. Disadvantages to PET imaging are that it’s relatively…

flammable and combustible chemicals (alcohol, sodium), oxidation (hair dye), bio hazardous products (which causes AIDS, rabies), toxic items (lead, benzene), poison (carbon monoxide), corrosive compounds (bleach), dangerously reactive chemicals (fluorine) and compressed gas (propane, CO2). Regarding this experiment, the there is always a possibility for mishaps and the like occurring that range from stains onto clothing to the irritation of the eyes. Chemicals such as copper (II) chloride and…

Especially sencha and other delicate green tea. Instead, bring water to a boil then let it sit for 2-3 minutes. Water temp should be around 60-80 C. The optimum brewing temperature for Gyokuro is 50 -60 C and Sencha is 70-90 C. For Bancha, Genmaicha and Houjicha is 100 C. The second step is put roughly 2 teaspoonfuls of tea leaves into a teapot. The best quality for Gyokuro is about 10g, Sencha is 8g. For Bancha, Genmaicha and Houjicha is 9g. After that, pour the hot water from the…

Assessing the body condition score (BCS) of a horse is needed in order to evaluate the physical health of the horse. The ideal BCS of many horses is between a 5 and 6, while a thoroughbred in the racing industry has an ideal BCS of a 4. While the BCS of a horse is a good way to determine the overall body condition of a horse, it does not tell whether or not the horse is getting the required nutrients in the appropriate amounts. The required nutrients can be calculated into the horse’s diet based…

To carry out these electrochemical measurements in biological environments involving cells, we created an electrochemical well from a biocompatible material, PDMS. Teflon is composed of polytetrafluoroethylene chains with fluorine atoms containing a partial negative charge, which causes cell death. Consequently, we created a PDMS-based electrochemical well via a two-step soft lithography casting process.33 This process is illustrated in Scheme 3, where the Teflon-based electrochemical…

What is Human Nature? A critique of the utopian ideal Hsun Tzu famously claimed that humans are evil, and although I wouldn’t opt for such emotive terminology, I believe that he was on the right lines. Humans are not evil; but they are inherently bad. Evil suggests something much more sinister, a plotting mind with a purpose for destruction. Rather, the process of evolution has determined human nature as innate and selfish, with survival and self-preservation an unconscious priority. I…

Testing the Validity of the Approach of Using Hydrogen and Helium Emission Spectra with the Rydberg Equation to Determine the Ionization Energy of Helium Michelle Plavnik Department of Chemistry, Emory University, Atlanta, GA, 30322, United States PAGE 2 ABSTRACT: The purpose of this lab is to determine how accurate the Rydberg equation is at modeling helium transitions and finding the ionization energy from those transitions. To accomplish this aim, the spectra of hydrogen and helium were…