the earth. Don’t get me wrong it will help a lot but "girls" what about that top of the line makeup kit you bought last week? Did you notice if it contained any whale fat? Was it animal tested? "Guys" have you checked that your new cool exhaust & nitro system in your car was polluting the air? There are many things that one can do to help our environment; the animals‚ keeping our streets clean‚ using products that are not hazardous to the earth. Many times‚ it is not on purpose that we are killing
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Chemical bonds are what make up the world. In bonds‚ elements are held together and form compounds that may have new physical and chemical properties. There are two main kinds of bonds‚ they ionic and covalent. In bonding the goal of the atoms involved is to reach a level of stability with less energy. In order to reach the epitome of stability‚ as in the case of noble gases‚ an atom strives to complete its outer shell. Either losing or gaining electrons may do this‚ which concludes in an ionic bond
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PRACTICAL 1 Title: Nitration of Acetanilide Aim : To observe how an Aromatic electrophilic Substitution reaction takes place via the nitration of Acetanilide i.e. how hydrogen on a carbon chain is replaced with a nitro group. Reagents and Chemicals: • Acetanilide (5g) • Glacial acetic acid (5mL) • Concentrated sulphuric acid (10mL &1.5mL) • Concentrated Nitric acid (2.0mL) • Methanol (30-50mL) Modification to experimental procedure: The experimental procedure
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Quan Chapter 15: Redox Titrations 1. (A) Which of the following is true of a redox titration? (i) Since the redox reaction is spontaneous‚ the equilibrium constant does not have to be large for an effective titration. (ii) The titration effectiveness is increased when the two half-reaction potentials are far apart. (iii) Without an indicator the equivalence point cannot be detected. (iv) For an effective redox titration‚ the reducing agent must always be in the buret. (v) The equivalence
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General Papers ARKIVOC 2008 (xi) 131-141 Synthesis and biological evaluation of some new pyrimidines via a novel chalcone series Amit R.Trivedi‚ Dipti K. Dodiya‚ Naresh R. Ravat‚ and Viresh H. Shah* Department of Chemistry‚ Saurashtra University‚ Rajkot (Gujarat)‚ India‚ Pin-360005 E-mail: shah_v_h@yahoo.com Abstract In the present investigation ethyl 2-(4-carboxyphenylazo)acetoacetate 1 on condensation with various aromatic aldehydes in ethanolic NaOH solution yielded the corresponding
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recorded usage of gunpowder in a weapon were Chinese land mines developed in the 9th century. Gunpowder is not widely used as an explosive today‚ however‚ because more sophisticated explosives have been invented‚ such as plastic explosives (C4s) and nitro-explosives(ANFO explosives). Gunpowder looks like a grey-silver dust-like powder (shown below). It only retains its value as a firestarter in bullets.
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electron-withdrawing. Phenol contains a hydroxyl group. Oxygen‚ being electronegative‚ was suspected to be electron-withdrawing and hence it took longer time for the bromine to react with benzene. Nitrophenol contains two substituents‚ one of which is a nitro group which is electron-withdrawing. 2.) Sources of error if actual and theoretical doesn’t agree. Contaminated chemical reagents Inappropriate proportions Uncontrolled environmental factors such as light and temperature. Human errors 3.) Reactivity
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Air Pollution Then the sky turned red‚ toxins over head‚ everybodies dead‚ everybodies dead. (GutterMouth; Nitro Records; 1995) In 1948‚ the industrial town of Donora‚ Pennsylvania suffered 28 deaths because of the thick smog. Air pollution is an ecological problem having to do with toxins in the air. There are a few things the human race has done to try to prevent air pollution from taking such a serious toll. Two of these are the Clean Air Acts and the increased use of solar power over coal
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PGP-1 Term-II AY 2010-11 Marketing-II Case – “Performance Indicator” Submitted By: Inderpreet Singh Identification of Protagonist Robb Osinski and Bob Winskowicz are business partners in Performance Indicator‚ LLC. Robb started as an entrepreneur as an undergraduate at Harvard by setting up a landscaping company. Bob started his career in sales in consumer health care. He eventually became the vice
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Rohm and Haas Executive Summary Joan Macy‚ Rohm and Haas (R&H) market manager for Metalworking Fluid Biocides‚ has the primary responsibility of marketing R&H’s new consumer packaged MWX metalworking fluid biocide aimed at the small‚ individual cutting fluid system market. MWX‚ has been on the market for the past five months‚ but has only $12‚000 in sales when it has been projected for $84‚000 during that time span. Initial surveys have shown that there is a vast potential for
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