|Faculty of Engineering & Science | |Unit Code |: |UEMK1013 | |Course |: |Chemical Engineering | |Unit Title |: |Chemistry for Engineering | |Year/ Semester |: |Year 1/ Trimester 1 | |Lecturer |: |Dr. Loh Han Chern | |Session |: |201101
Free Oxygen Alcohol Carbon dioxide
CHEM 301 LECTURE Unit 1 0 . COORDINATION CHEMISTRY Factors t hat affect solubility: Common ion: decrease in solubility Complex ion: increase in solubility How does complex ion formation increase solubility? Consider the complex ion formation between silver and ammonia: + Ag + 2NH3 A g(NH3 )2 + Kf = 1 .5 x 10 7 where Kf i s the formation constant (always >1 ‚ formation of the complex is highly favorable) Complex ion formation increases the solubility of sol ids in water
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Gas Chromatography (GC) Definition: Gas chromatography is a physical method of separation in which the components to be separated are distributed between two phases‚ one being a stationary bed of large surface area‚ and the other a gas that percolates through the stationary bed. When the stationary phase is a solid‚ the separation process is more precisely called gas-solid chromatography. Introduction: Gas Chromatography is a technique widely used to separate complex mixtures of substances. Compounds
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Chromatography (TLC) and Melting point. Introduction: There are only several compounds and molecules that are essential to the human body. Such molecule like D-glucose which is considers the second central substance in the maintenance and metabolite of human life after water. D-glucose is an important monosaccharide and has being subjected to many years of NMR analyses due to its anomeric properties of αand βusing deuterium1. Both anomers of D-glucose have a similar structure with a molecular formula of C6H12O6
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Nov 16‚2013 1. Emerson begins his second paragraph with “Trust thyself: every heart vibrates to that iron string‚” (as cited in Langan‚ 2014) What does he mean by this? Why do you think he placed the quote this early in the essay? Explain (1)I feel that Emerson’s quote “Trust thyself: every heart vibrates to its own string‚” Is implying‚ whatever you set your mind too you can accomplish. “Every heart vibrates to its own Iron string‚” Is implying that everyone is different; we go about doing
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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.
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PARAGRAPH BY ANALOGY A paragraph by analogy compares two different things on the basis of their similarities in certain aspects. This kind of paragraph development premises its explanation on the familiar or known‚ so that the logical order (from the familiar to the unfamiliar) is presumed to be the best paragraph order.\ PARAGRAPH OF ANALOGY A.FALLING IN LOVE AND SKYDIVING Falling in love is like skydiving. Skydiving is a risk because you are never 100% certain that you will survive the fall
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often do you think about how wireless technology has impacted our daily lives? Perhaps one’s response to this question would be‚ “not often”. Though wireless technology has narrowed the boundaries between cultures‚ putting friends and family at your fingertips‚ but most importantly it has brought significant changes to the health care system. Ramey (2013) defined technology as measures put in place to effectively bring about change in our day to day lives to accomplish tasks and build human capacity
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1.) What is a paragraph? Etymology: From the greek word paragraphos which means‚ line used to mark change of persons in a dialogue‚ from paragraphein to write alongside‚ from para- + graphein to write. * A Paragraph is a distinct section of a piece of writing‚ usually dealing with a single theme and indicated by a new line‚ indentation‚ or numbering. * A collection of related sentences dealing with one topic. 2.) What is overloaded paragraphing? * Overloaded paragraphing
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Extraction of Aluminium Aluminium ore is called bauxite. Bauxite contains aluminium oxide‚ water‚ iron oxide and other impurities. The purified dry ore‚ called alumina‚ is aluminium oxide (Al2O3). The alumina must be molten for electrolysis to work‚ since the ions are not free to move in the solid state. Unfortunately‚ alumina has a high melting point (2040 °C) and it is not practical to do electrolysis at such a high temperature. In the middle of the nineteenth century it was found that alumina
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