process in the presence of a catalyst which‚ in this case‚ was 85% phosphoric acid. Dehydration can be defined as any chemical reaction which involves the removal of a water molecule from a substance. During the experiment‚ anhydrous calcium chloride was provided as a drying agent to ensure that pure cyclohexene was obtained‚ calcium chloride works by binding itself to the water molecule thus removing it in the process. After the dehydrating process was completed‚ a few tests using Potassium Permanganate
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pADVENTURES of an Atom By: Nicole Zemaitis Atom-Smallest particle of an element that retains the properties of the element. Scientific discovery is how the present day Atomic Theory was made up. The current atomic theory was formed by different scientists over many years‚ each scientist building on or proving theories wrong. Democritus 460-370 B.C. Narrative: Hello! My name is Anna the Atom. I’m writing to you to describe
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www.igcse.at.ua ORGANIC CHEMISTRY OIL and its many useful PRODUCTS The origin of oil Crude oil is formed from organic material of the remains of plant and animal organisms that lived millions of years ago. These remains form sediments eg at the bottom of seas‚ and become buried under layers of sedimentary rock. They decay‚ without air (oxygen)‚ under the action of heat and pressure to form crude oil over millions of years. It is a fossil fuel because it is formed from
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CHEMISTRY COURSE TITLE: General Organic Chemistry COURSE CODE: CHM 121 ‚ UNIT: 2.0 . INTRODUCTORY AND IMPORTANCE OF ORGANIC CHEMISTRY Organic chemistry is the study of the compounds of carbon. Carbon compounds are far more numerous than those of other elements because carbon are able to bond together to form a wide range of chains and rings. The subject is named organic chemistry because living organisms are composed of carbon compounds. Organic chemistry could be regarded as the
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Collaborative Arrangements Why Companies Collaborate Firms opt for collaborative arrangements when exporting as an alternative may not be feasible. There are also financial considerations and companies may find it more advantageous to collaborate abroad to mitigate financial risk to the company. Reasons for Collaboration: To spread and reduce costs To specialize in competencies To avoid or counter competition To secure vertical and horizontal links To gain knowledge To gain location-specific
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Organic chemistry Organic chemistry is one of the ‘branches’ of chemistry and is seen as distinct from other branches‚ such as inorganic and physical chemistry. It can be described as the chemistry living processes (often referred to as biochemistry) but extends beyond that. It focuses almost entirely on the chemistry of covalently bonded carbon molecules and as well as life processes‚ it includes the chemistry of other types of compounds‚ including plastics‚ petrochemicals‚ drugs and paint
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****Atoms Think and Compare: Page 331 Q-3 Consider these atoms: hydrogen H‚ aluminum Al‚ argon‚ Ar. Rank them‚ from smallest to largest‚ in order of (a) size; (b) number of protons in the nucleus; (c) number of electrons. In order of size from smallest to largest: Hydrogen H‚ Argon Ar‚ Aluminum Al. In order of proton from smallest to largest: Hydrogen H‚ Aluminum Al‚ Argon Ar. In order of electron from smallest to largest: Hydrogen H‚ Aluminum Al‚ Argon Ar. Q-4 Consider these atoms: helium
Free Atom Chemical element Neutron
Organic Compounds Marilena Tagritzis 11-A Mr. Daniel Chemistry May 10‚ 2011 Organic Compounds An organic compound belongs to gaseous‚ liquid‚ or solid chemical compounds whose molecules contain carbon. Some types of carbon that contain compounds such as carbides‚ carbonates‚ and oxides of carbon and cyanides are sometimes classified as inorganic. AllotropesHYPERLINK "http://en.wikipedia.org/wiki/Allotropes_of_carbon" of carbon such as diamond and graphite may also be classified as inorganic
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Physical and Chemical Properties Toby Orme-Lab 4 Solubility or Reaction Substance Name Color Odor Effect of Heat Cold H2O Hot H2O Litmus Test Dilute HCl Dilute NaOH Mg Silver N/A N/A Non soluble Bubbles Basic Hot/fizz N/A Cu Copper N/A Purple then turned black Non soluble N/A N/A N/A N/A Zn Silver N/A N/A Non Soluble N/A N/A Vaporized and fizzed N/A MgO White N/A Omits gas Hazy mix Boiled Rapidly Basic Got hot and fizzed Became thick or pasty CuCO3 Green N/A Turned black Hazy Green Became powdery
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ANALYTICAL AND ORGANIC CHEMISTRY LECTURER’S NAME : DR.RAPIDAH OTHMAN COD SUBJECT : NKB 10103 NAME : NUR NADIRAH BINTI BAHARUDEAN ID NUMBER : 55220114255 CHAPTER : ORGANIC CHEMISTRY CONTENTS 1‚4-BENZENEDICARBOXYLIC ACID Introduction The organic compound’s group that I’ve chosen in this assignment is 1‚4-benzenedicarboxylic acid. 1‚4-benzenedicarboxylic acid and also called as Terephthalic acid containing the carboxyl group and benzene group. Sometimes it simply referred to as a acid group
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