Everything you need to know about hydrocarbons INTRODUCTION: organic chemistry Organic chemistry is the chemistry of compounds that contain carbon and hydrogen. The element carbon has a special role in chemistry because it bonds with other carbon atoms to give a vast array of molecules. The varity of molecules is so great that we find organic compounds in many common products we use‚ such as gasoline‚ medicines‚ shampoos‚ plastic bottles‚ and perfumes. The food we eat is composed of different
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Chemistry is a big part of your everyday life. You find chemistry in daily life in the foods you eat‚ the air you breathe‚ your soap‚ your emotions and literally every object you can see or touch. Here ’s a look at some everyday chemistry. Elements in the Human Body Steve Allen‚ Getty Images Your body is made up of chemical compounds‚ which are combinations of elements. While you probably know your body is mostly water‚ which is hydrogen and oxygen‚ can you name the other elements that make
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humility by man towards God. * We should always try and observe the manners (adab) of Islam such as courtesy‚ politeness‚ friendliness‚ helpfulness and the likes when we carry out our duties. By this‚our work be on the right step. In the same time it becoming an act of ibadah. It is important that we carry out our duties by abiding the adab as set forth by islam. * If we want to do well‚ we can not use the way that can cause good way turned into disrepute. As such‚from Islamic perspective‚the
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Role of Student in Development of Our Nation Our national development agenda has its focus on rural development. Most of India dwells in rural areas and therefore the national development agenda rightly seeks justice for those who often live in poverty‚ in the state of hunger and malnutrition and deprived of clean environment‚ sanitation and medical facilities. Rural scenarios are generally represented by agriculture‚ which involves all the land-related activities‚ such as cropping‚ forestry‚ agroforestry
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Archaeologist Archaeologists play a vital role within our cultural society‚ as they study culture‚ human life‚ and historical or human origins. The expertise of an archaeologist is crucial to understanding how the past will shape our current society. Archaeologists examine the physical remains of human beings‚ animals‚ and other categories within an excavation site. The evaluation of skeletal remains‚ artifacts‚ and ruins of buildings are all part of the archaeologist’s duties. Furthermore‚ archaeologists
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The key roles in our political system are Congress and the president. The three branches that make up the federal government‚ all rely on each other to help run the country. Checks and balance make sure that no branch would be able to control too much power and separation of power is the division of the three branches. Media has a significant impact on our political views. We are always listening to the news about updates on our government and some media can share false information or not share the
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The best moment in my life was my childhood. When I was nine� I used to visit my grandma every Sunday afternoons. There I played with my cousins� until we got tired. Our favourite games were: hide and seek and tag. After ‚ all my family used to eat out‚ especially pizza or French fries with sausages :�salchipapas�. On Saturday afternoons� I used to skate and ride bicycles� with my cousins in parks . In Christmas ‚ my family� exchanged gifts and participated in speech contests which were sponsored
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Combustion of Acetylene (ethyne) Rx: Back Why I don’t do acetlyene explosions in our lab.... Combustion of alkanes A quick review.... • Combustion reactions of alkanes consist only of C and H (hydrocarbon) • require O2(g) as a reactant • produce CO2(g) and H2O(g) and a large amount of energy!! Oxygen can be the limiting reagent which can lead to Incomplete combustion. For complete combustion of a hydrocarbon‚ oxygen must be in excess. If there isn’t sufficient oxygen‚ incomplete combustion occurs
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SALTS EVERYDAY First some words about salts in chemistry. Salts are ionic compounds that can result from the neutralization reaction of an acid and a base. They are composed of related numbers of cations (positively charged ions) and anions (negative ions) so that the product is electrically neutral (without a net charge). Salts can appear to be clear and transparent (sodium chloride)‚ opaque‚ and even metallic and lustrous (iron disulfide). In many cases the apparent opacity or transparency are
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CELL STRUCTURE CELL THEORY: Structural and functional unit of all living things New cells arise from already existing cells Cells contain information that instructs growth. This information can be passed onto new cells. MICROSCOPES: There are two main types of microscopes: Light and Electron Electron Micrographs- shown in colour LIGHT ELECTRON Uses beam of light Magnification = x1500 Resolution = 200 nm Wide range of specimens can be used Samples are fairly quick + easy to prepare
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