Chemical compound

potential whereas last term is exchange-correlation potential. The exchange and correlation effects were taken in to account by using PBE-sol exchange correlation technique for treatment of electronic interactions in ZnGa2S4 and CdGa2S4 crystal compounds. The aim behind adoption of PBE-sol exchange correlation technique is that it recoups the prime gradient expansion for exchange and jallium surface potential are exactly replicate by regulate its correlation piece also it is inadequate to…

Many chemicals are safe to handle but negatively impact the environment in the long run. Other chemicals such as arsenic are toxic even in the smallest amounts. Mercury is a natural element that occurs throughout our environment and solar system. It has unique properties (i.e liquid metal at room temperature) and can be found in very small concentrations in many rocks and is the main component of the mineral cinnabar. Natural background levels can be detected in soils, living organisms, air, and…

biological role, but arsenic itself is a toxin (see section 1.x). Some additional chemical properties of elemental arsenic are shown in table_1. Elementary Arsenic Elementary arsenic has only one stable isotope 75As, and 33 radioactive isotopes. Generally, the isotopes are relatively short lived with the longest lived radioisotope (73As) having a half-life of 80.3…

Carbon Dioxide, is a natural occurring chemical compound that consists of one carbon atom and two oxygen atoms. On Earth carbon dioxide is released into the atmosphere from respiration, combustion of coal or hydrocarbons, and respiration. However most of the carbon dioxide that is released into the atmosphere is removed by organisms that conduct photosynthesis. Photosynthesis is the processes in which organisms, such as, plants, algae and cyanobacteria (bacteria that obtain their energy from…

that have and can kill individuals. The four chemical agents include nerve, blood, choking, and blistering agents. The first type of well-known chemical agent is nerve agents. Nerve agents affects individual’s nervous system within the body and that is how it gets its name. Nerve agents were heavy used during the second World War (“Nerve Agents,”2017). According to “Nerve Agents” (2017), nerve agents are within the group of organo-phosphorus compounds, stable, easily dispersed, highly toxic,…

one, the reactivity increases. However, group 7 are halogens which are reactive, but they are metal. They are also different from group one as their reactivity decreases as you go down. Also, the elements becomes darker as you go down the group. Chemical reactions of group 1: The group 1 alkali metals are very reactive when put in water, as it produces hydrogen gas and alkaline solution (alkali metal hydroxide). The alkali metals reacts very fast and violent with water, as when you place the…

Iron reacts to form many colored compounds. It can also displace hydrogen gas from acids as it is a fairly reactive metal. It undergoes exothermic redox reactions. The most common reaction of Iron is its reaction with oxygen to form Iron Oxide which is rust. Another common reaction of Iron is its reaction with sulfur which is a strongly exothermic reaction that produces a charcoal grey substance. It forms the chemical formula of FeS. However, it can also react with sulphur…

This thesis mainly focused on analysis approaches of twenty potential isomeric and designer drugs of 1-pentylacylindoles series of synthetic cannabinoids compounds associated mainly with naphthoylindoles and benzoylindoles structures, via using various analytical methods. These isomers and analogs represent potential designer modification of banned drugs and show the same elemental composition and yielding identical nominal, exact masses and general analytical properties which make the potential…

Carcinogenic Chemical Product: Fire Retardants Fire safety is a vital part of the modern technological society and as responsible citizens it is important to recognise that, with the aid of fire retardants, there is a prolong time frame of escaping from fires. This widely used carcinogenic product is composed of certain chemical elements within numerous everyday products (either inside the polymeric material or as an external layer) that help combat the ignition through chemical reactions at…

Examining Substitution Reactions of Several Alcohol-Containing Compounds Several Experiments were performed using substitutions reactions with hydrogen halides. These results and favor methods or pathways for the several alcohols were observed and will be discussed. Introduction for all the material Scheme 1. Substitution of 3-(m-tolyl)propan-1-ol to form 1-(3-bromopropyl )-3-methylbenzene. Aromatic materials used in this reaction has high boiling point thus the reaction was heated…