"Chemistry in our life" Essays and Research Papers

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    Chemical reactions are the basis of life on earth. As human beings‚ we are little more than the naturally abundant elements of which we are composed and the reactions between the compounds that they form. After all‚ how could life exist without water? Oxygen transport in a body the size of the human body would be impossible without the aid of a complex like hemoglobin. Besides being the basis of many of life’s intangibles‚ chemistry also plays an active role in our daily lives. Take for instance

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    fulfill his desires on time? Should he stop dreaming? No‚ because there is solution for these queries. Loans are available for these purposes only. Loans are provided to people for such critical circumstances which may occur at any time. In anyone’s life a situation may come when all of sudden you require cash. A moment when you do not want to borrow cash from your relatives. There may occur any kind of emergency when you need huge amount of money. There are various types of loans like home loans

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    Lying is a part of our life‚ and it has developed over centuries of mistruth. According to owhatic.com‚ http://www.qwhatis.com/what-is-lying/ “Lying is basically a means of deceiving someone by giving a statement that is false or untrue.” Although condiment‚ lying is an act we all take part in. for most of us‚ we cannot have a normal conversation with anyone without telling a lie. Sometime‚ it’s better to lie than telling the truth. Knowing every lie have a consequences‚ and the consequences of

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    This is important for the students to appreciate the knowledge of chemistry that is still new for themselves. Personally‚ I think that this chapter is an interesting chapter as it revealed the way of scientist produces the material around me. It also gives me new knowledge of the uses of chemical substances that I usually found in the laboratories. I hope‚ by learning this chapter‚ I will be more interested in learning chemistry as it will help me in the future. All the equations from this chapter

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    CHEMISTRY   Guess Paper – 2013 Class – XI Subject - CHEMISTRY         MAX MARKS=90 ……………………………………………………………………………………… General instructions: All questions are compulsory. Marks for each question are indicated against it. Questions number 1to 8 are very short –answer questions‚ carrying 1 mark each. Answer these in one word or about one sentence each. Questions number 9 to18 are short –answer questions‚ carrying 2 marks each. Answer these in about 30 words each. Questions number19 to27

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    atoms can rotate and vibrate with respect to each other. These vibrations and rotations also have discrete energy levels‚ which can be considered as being packed on top of each electronic level. UV/Vis spectroscopy is routinely used in analytical chemistry for thequantitative determination of different analytes‚ such as transition metal ions‚ highly conjugated organic compounds‚ and biological macromolecules. Spectroscopic analysis is commonly carried out in solutions but solids and gases may also

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    "Rubber" and "India rubber" redirect here. For other uses‚ see Rubber (disambiguation). This article is about the polymeric material "natural rubber". For man-made rubber materials‚ see Synthetic rubber. Latex being collected from atapped rubber tree Rubber tree plantation of Thailand (7 August 2011) Natural rubber‚ also called India rubber or caoutchouc‚ as initially produced‚ consists of suitable polymers of the organic compound isoprene‚ with minor impurities of other organic compounds

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    CHEMISTRY

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    experimental techniques which can be used to tell us where the atoms are located in a molecule. Using advanced techniques‚ very complicated structures for proteins‚ enzymes‚ DNA‚ and RNA have been determined. Molecular geometry is associated with the chemistry of vision‚ smell and odors‚ taste‚ drug reactions and enzyme controlled reactions to name a few. Molecular geometry is associated with the specific orientation of bonding atoms. A careful analysis of electron distributions in orbitals will usually

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    ical Chemistry 1.which of the following pairs of compound will react? iC3H6+Br2 iiC3H6+Cl2 in sunlight iiiC3H6+H2O in the presence of sulphuric acid ivC3H6+H2O in the presence of concentrated sulphuric acid a.i b.i‚iii c.i‚ii‚iii d.all 2.liqiud y reacts with magnesium metal to produce a gas that burns with a pop sound when a flaming wooden splint is placed near it.liqiud y is most likely a compound that has the formula a.c2h5oh b.hcooh c.h3cooch3 d.c6h14 3.a compound p has the

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    I. Grade Level/Unit Number: 9-12 Unit 7 II: Unit Title: Mole Concept III. Unit Length: 7 days (on a 90 min. per day block schedule) IV. Major Learning Outcomes: Students should be able to: Mole Concept • Calculate formula mass. • Convert representative particles to moles and moles to representative particles. (Representative particles are atoms‚ molecules‚ formula units‚ and ions.) • Convert mass of atoms‚ molecules‚ and compounds to moles and moles of atoms

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