Chemistry Lab Write-Up Title: Paper Chromatography of Powdered Beverage Mix Purpose/Objective: The purpose is to be able to use liquid chromatography to separate dyes in a powdered beverage mix‚ calculate the Rf values for each dye‚ and rank the polarity of each dye present. Hypothesis: If we are to use the liquid chromatography to investigate the different dyes‚ then I think the different dyes will come up having different polarities and Rf values. Procedure/Method: Draw a line across
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Forming Methyl Orange an Azo Die Abstract: An synthetic azo dye was created by reaction of diazonium salt with N‚N-Dimethylanaline. The final product created was 4-dimethylaminoazobenzene-4-sulfonic acid‚ an orange clay-like substance. Sulfanilic acid was chemically manipulated by using sodium carbonate followed by cooled sodium nitrate and hydrochloric acid to form the diazonium salt used in the reaction. The products were washed in ethanol. The product was obtained at an 84% yield and was
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http://www.brighthub.com/education/languages/articles/59338.aspx Top of Form Word Formation: Derivation and Back-Formation Part one of "Word Formation: Creating New Words in English" covers the related processes of derivation and back-formation‚ which involve the addition and subtraction of prefixes and suffixes to create new words. Also included are printable downloads of English affixes and English back-formations. Word Formation Word formation is the process of creating new words. The following
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probably no languages without compounding‚ and in some languages (e.g. Bahasa Melayu) it is the major source of new word formation. Compounds are particularly interesting linguistic constructions for a number of reasons. First‚ they constitute an anomaly among grammatical constructions because they are “words‚” but at the same time exhibit a type of “internal syntax.” Compounds‚ furthermore‚ represent a contact point between several crucial linguistic and non-linguistic notions such as syntagmatic and
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Carbon and Its Compounds Carbon: Introduction Atomic Number: 6 Electronic Configuration: 2‚ 4. Valence electrons: 4 Property: Non-metal Abundance:- Carbon is the 4th most abundant substance in universe and 15th most abundant substance in the earth’s crust. Compounds having carbon atoms among the components are known as carbon compounds. Previously‚ carbon compounds could only be obtained from a living source; hence they are also known as organic compounds. Bonding In Carbon:- The Covalent
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Elements and compounds are a result of the actions of the valence electrons. There are three types of bonds that I have learned about in the bonding comparison lab. These bonds include ionic‚ polar covalent‚ and non-polar covalent. Each of these bonds and the element compounds connected to them has individual solubility‚ conductivity‚ melting point‚ and volatility levels. The three element compounds that will follow are sodium chloride‚ sucrose‚ and p-dichlorobenzene. Sodium chloride is an ionic
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Assignments in Science Class X (Term II) 4 Carbon and its Compounds IMPORTANT NOTES 9. Unsaturated organic compounds : Organic compounds in which a double or a triple bond exists between two carbon atoms in a carbon chain‚ are called unsaturated organic compounds. 10. Hydrocarbons : Organic compounds which contain only carbon and hydrogen atoms are called hydrocarbons. 11. Straight chain hydrocarbons : Hydrocarbons‚ in which all the carbon atoms are linked to one another in a straight chain
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Carbon and Its Compounds Carbon: Introduction Atomic Number: 6 Electronic Configuration: 2‚ 4 Valence electrons: 4 Property: Non-metal Abundance: Carbon is the 4th most abundant substance in universe and 15th most abundant substance in the earth’s crust. Compounds having carbon atoms among the components are known as carbon compounds. Previously‚ carbon compounds could only be obtained from a living source; hence they are also known as organic compounds. Bonding In Carbon: The Covalent Bond
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The compound pendulum Consider an extended body of mass with a hole drilled though it. Suppose that the body is suspended from a fixed peg‚ which passes through the hole‚ such that it is free to swing from side to side‚ as shown in Fig. 98. This setup is known as a compound pendulum. | Figure 98: A compound pendulum. | Let be the pivot point‚ and let be the body’s centre of mass‚ which is located a distance from the pivot. Let be the angle subtended between the downward vertical (which passes
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processes of new word formation. 1. Creating words 2. Combing words: compounding Combing word parts: affixing 3. Shortening words 4. Blending words 5. Shifting words to new uses 6. What is a compound word? Please give 5 examples of any modern compound words you know. A compound is made by putting two or more words together to form a new word with a meaning in some way different from that of its elements. -air kiss - baby boomer - date rape - downsize - drive-by shooting
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