Oxides

The catalytic converter system in vehicle exhaust tried to eliminate nitrogen oxide emissions, carbon monoxide emissions and hydrocarbon emissions which is unburned fuels. In a catalytic converter has two blocks which is reduction catalyst and oxidation catalyst. The reduction catalyst is made up of platinum and rhodium while the…

which limits the hemoglobin available to transfer oxygen and this can reduce the body’s oxygen intake which can be very harmful. NOx (an abbreviation for oxides of nitrogen) Oxides of nitrogen (e.g. NO, NO2 and N2O4) are produced when there is sufficient energy to facilitate a reaction between oxygen and nitrogen in the air. Nitrogen oxides form from the reaction between N2 and…

salinity environments it is able to be stained. The main difference between stainless steel and general carbon steel is the amount of chromium present. Due to the amount of chromium that stainless steel contains, the stainless steel will form a chromium oxide film which will help prevent corrosion as it blocks the oxygen fusing to the surface of the steel and in turn blocks it from spreading to the steels internal structure. Whereas in general…

columns are use which one column are filled with sand and the other one filled with aluminum oxide. The bed height of aluminum oxide is 100 mm and have a particle size about 250 micron (mesh 60). The minimum fluidization velocity is used to determine the pressure drop. As mentioned above, when the solid behave like a fluid the bed is at fluidize state. So, minimum fluidization occur when the aluminum oxide start to far apart with each other and behave like a fluid. The experiment with different…

Preclinical points of view Metformin improves the insulin resistance primarily in muscle, liver, and adipose tissues by reducing the liver glucose output, largely due to a diminution in the rate of glycogenolysis and gluconeogenesis (97). Various beneficial effects of metformin include attenuation of abnormal glucose metabolism, weight loss, improvement of insulin resistance, endothelial dysfunction, subclinical inflammation, lipid-lowering properties, antineoplastic potential and cardiovascular…

During the winter of 1952, London was affected by a severe air pollution incident. A thick smog settled over the city of London on December 21st, resulting in anguish amongst the residents. This devastating event was a result of large amounts of coal that was being burnt to produce heat, during the winter. As this coal was being combusted for people to keep warm, large proportions of toxic chemicals were simultaneously being released. According to the United Kingdom’s National Weather Service,…

contains nitrous oxide and oxygen. The nitrous oxide allows for pain relief, while the oxygen is an added additional gas. Entonox is a commonly used drug in the pre-hospital setting worldwide for short term pain relief as it is a potent analgesic with a very rapid onset of action. Entonox is very safe to use and it is a self-administered drug with minimal side effects. During the reflection the author will discuss the effects of Entonox as an analgesic, the indication for Entonox (nitrous oxide…

readily in a solution. Nitric acid can react with metals, hydroxides, and oxides. (Frane, Herber and Knowles, 2015). Since Nitric acid is a powerful oxidant, it can react with non- metallic compounds and cause explosion contingent on the temperature, concentration, and reducing agent (Nitric acid, 2015). Even though nitric acid is relatively inexpensive to use as an oxidant, it can produce various nitrogen oxides. Nitrogen oxides can be harmful for ecosystem and human as it has cynical impact on…

and nitrogen oxides from electric power plants. One way of doing this was to set a maximum amount of sulfur dioxide that the power plants are allowed to emit. According to the EPA, in Acid Rain Program: 2005 Progress Report, the maximum amount was set at 8.9 million, which is half the amount normally emitted by power plants. Electric utility plants were also limited to the amount of nitrogen oxides emitted. The Federal Government believed these limitations would reduce nitrogen oxides by…

acidic properties that are water soluble (mainly sulfur oxide) to the ground. The water cycle itself is not harmed by acid rain, as only the rain part is acidic. The acid is absorbed into the ground and becomes part of the ocean or soil. If the ocean becomes too acidic however, the cycle can become very acidic; as ocean evaporation would potentially contain acidic properties that would rain down again. Oxidation Sulfur dioxide and nitrogen oxides enter the atmosphere via emissions from the…