gasoline has damaged the soil. Along with that there are several other environmental damages that the burning of gasoline does like Ozone depletion‚ air pollution‚ acid rain‚ climate change etc. These effects are caused by the emission of CFCs‚ hydrocarbons‚ carbon di-oxide‚ carbon monoxide‚ and nitrous oxide with burning of gasoline from automobiles‚ and other fuel powered machines. Americans’ gasoline consumption has increased tremendously since the booming economy‚ resulting in the pollution of
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Project in Mapeh Shekinnah Kate Cusilit IV- Lakandula Medicinal Plants Abang-abang Distribution - Common in thickets and secondary forests at low and medium altitudes throughout the Philippines. - Also reported in Taiwan‚ the Caroline Islands‚ and Yap. Properties Considered vulnerary‚ antidiarrheal‚ antihypertensive. Parts used Roots‚ branches‚ leaves. Uses Folkloric - Decoction of roots‚ branches and leaves used for wound healing. - In Thailand‚ root used for diarrhea
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classification of pudina Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Lamiales Family: Lamiaceae Genus: Mentha LOCAL NAME:-PUDINA This plant is related to the menthe genus and its aromatic herbs. Many more species grows wild; some of there cultivated. The chief constituent for which these plants are valued are menthol and pappermint oil. this medicinal plant is an erect branched herb upto about 55 cm high. Leaves upto 6 cm long. Flowers small‚ in small brunches‚ borne
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for lubrication of various internal combustion engines. The main function is to lubricate moving parts; it also cleans‚ inhibits corrosion‚ improves sealing‚ and cools the engine by carrying heat away from moving parts. Xylene Xylene is an aromatic hydrocarbon existing in three isomeric forms‚ all three being colourless flammable volatile liquids used as solvents and in the manufacture of synthetic resins‚ dyes‚ and insecticides; dimethylbenzene. It has a formula of C6H4(CH3)2 and is also called xylol
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air from various sources‚ but burning of fossil fuels contributes the most to air pollution. * Exhaust fumes from vehicles contains soot (tiny carbon particles)‚ lead (from cars using unleaded petrol)‚ carbon monoxide‚ oxides of nitrogen and hydrocarbons due to the incomplete combustion of fossil fuels. * Burning of fossil fuels in the combustion engines of vehicles and electrical power stations also releases large amount of carbon dioxide into the atmosphere. * Human activities such as
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AIR POLLUTION Air pollution is the introduction of chemicals‚ particulate matter‚ or biological materials that cause harm or discomfort to humans or other living organisms‚ or cause damage to the natural environment or built environment‚ into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth’s ecosystems
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Did you know that for every cigarette you smoke you can lose eleven minutes off your life? Smoking can not only leave you with long term affects you may not be able to get rid of but it will leave you poor and maybe dead. Mankind first came in touch with tobacco approximately eighteen thousand years ago‚ when migrant Asiatic people first intersected the Bering Strait and extended across the continents today known as the Americas‚ where tobacco is native (Gately ‚2001). Mayan Indians of Mexico
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Introduction to Alkane Nomenclature A. Determining the Priority of Functional Groups. What’s in a name? 3-ethyl-5-(1-methylpropyl)-4‚4-dimethylnonane Too big a subject to cover on one sheet! This paper will focus on alkanes. Determining functional group priority will be the subject of a subsequent sheet. suffix http://masterorganicchemistry.com D. Applying the Lowest Locator Rule F. Dealing With Branched Substituents (the IUPAC Way) Number the chain from one end so as
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ACYL COMPOUNDS: SOAPS AND DETERGENTS Experiment # 8 I. Objectives To observe the general properties of carboxylic acids. To compare the acidity of carboxylic acids and phenols. To verify experimentally the interconversion among acyl compounds. To become familiar with the physical and chemical properties of fats and oils and to understand the chemical basis of these properties. To learn how to prepare soap. To compare the properties of soap and synthetic detergents. II. Data and
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is an agent used for cleaning. Detergents are synthetic surfactants‚ which is produced from petrochemicals rather than fatty acids and oils. They are very effective in hard‚ soft as well as salt water. Detergents are the salts of long chain of hydrocarbons such as alkyl sulphates. A detergent has several advantages over soaps in which we can see in the following topics. Detergents are commonly said to be synthetic detergents because it is produced from synthetic chemicals and not from natural
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