Nitrogen

(65%), Carbon (18%), Hydrogen (10%), and Nitrogen (3%). It is also composed of about 28 other elements including, Potassium, Sodium, and Calcium. Each plays a major role on the daily functions of the human body. Oxygen accounts for roughly about two-thirds of the mass of the human body and is use in cell respiration. Carbon is part of the molecular structure in certain fats, proteins, and carbohydrates; which are essential for human health. Nitrogen is only about three percent of the mass…

achieve the pollution limits. The emission reductions of the 1970's came about because of fundamental improvements in engine design, plus the addition of charcoal canisters to collect hydrocarbon vapors and exhaust gas recirculation valves to reduce nitrogen oxides. The advent of "first generation" catalytic converters in 1975 significantly reduced hydrocarbon and carbon monoxide emissions. The use of catalytic converters provided a huge indirect benefit as well. Because lead inactivates the…

tropical areas. It used no technology or tools to clear the land. So basically group of people get some land and burn slash left on it. In the process of burning the nitrogen in the plant that are burning returns to the soil. Then they would start to farm. They would farm there as long as the soil is rich after soil lost most of its nitrogen and other supplants they would leave that places. The Shifting agriculture was always in the forest. After leaving that area they would move to another area…

major amount of harmful compounds is the car, because it ejects into the air high levels of carbon monoxide, carbon dioxide, nitrogen oxide and smoke. Many industries are also responsible for causing massive amounts of air pollution. Petroleum refineries are a good example of pollution industry, since it is producing enormous amounts of toxic gases like, sulphur dioxide and nitrogen dioxide. Another way to produce sulphur is by the combustion of fuels like coal. All these pollution can be…

The structure of a molecule affects how it is able to bond with other molecules and how effective these bonds are. The structure of the molecule itself is held together by the intramolecular forces, which are the internal forces of a molecule, such as the attraction and repulsion of electrons to the protons in the nucleus. The external forces on a molecule, which are called the intermolecular forces, such as electronegativity, help to determine the boiling and melting points of each element.…

What Does Luminol Do? Luminol is used to reveal traces of blood in crime scenes, using a light producing chemical reaction, between many chemicals, and hemoglobin. It is a powdery compound made up of carbon, hydrogen, nitrogen, and oxygen. Mixing C8H7N3O2 (luminol) with H2O2 (hydrogen peroxide), causes it to become a liquid. Hydrogen peroxide and luminol are the two main parts of this chemical reaction. To produce a strong glow, a catalyst needs to be present. A catalyst is a substance that…

Thin Layer chromatography was also use to separate the mixture of fluorene and fluorenone. Thin layer chromatography is a useful separation method when the components of a mixture are in question. Analyzing what the mixture consist of can be efficiently determine by TLC by calculating Rf and comparing these values. For the separation and isolation of a mixtures components, this method is extensive and not as efficient at column chromatography. This conclusion is represented in the data gathered.…

George W. Carver was an African-American Scientist, Inventor, Chemist, and Botanist. Although his exact birthdate is unknown, historian guess that he was born in Diamond,Missouri as a slave some time in the Civil war era, most likely in 1864. George is best known for his inventions using the peanut and other plants.He was also a teacher at the Tuskegee Normal and Industrial Institute( now called Tuskegee University). George was born into slavery and his birth was said to be around 1861 near…

soil quality deceases causing the plant life to reduce. For irrigated lands salinity affects around 50% of the land (Assmann, 2013), this means not only native plants are affected but also agriculture, this is because the salinity obstructs the nitrogen uptake, affecting the crops as it slows growth rate and stops plant reproduction (qld.gov, 2013). With salinity having such damaging affects to the environment, this affects not only the biodiversity. It causes animals to find a new ecosystem,…

The tiny dwarf planet Pluto is a massive associate of the Kuiper Belt (a shadowy zone beyond the orbit of Neptune). Nevertheless, if Pluto is near the sun the ices on Pluto’s surface thaw and form a thin atmosphere, this atmosphere consists of nitrogen and little amounts of methane. Pluto’s atmosphere only will stay temporarily. However the rotation of Pluto spins backward from east to west. Pluto’s average distance from the sun is about…