not). 1. 2Al + 3Cl2 ---> 2AlCl3 comb.; yes rxn 2. NH4Cl + NaC2H3O2 ---> NH4C2H3O2 + NaCl d.r.‚no rxn‚ all soluble 3. 2PbO2 ---> 2PbO + O2 dec.; yes rxn 4. 2AlBr3 + 3Ba(OH)2 ---> 2Al(OH)3 + 3BaBr2 d.r.‚ yes rxn 5. Iron III iodide + 3silver bromide ---> FeBr3 + 3AgI d.r.‚ yes rxn 6. 2LiCl + I2 ---> 2LiI + Cl2 s.r‚ no rxn‚ I not replace Cl 7. 4K + O2 ---> 2K2O comb. 8. MgCO3 ---> MgO + CO2 dec.; yes rxn 9 2AlCl3 + 3MgCO3 ----> Al2(CO3)3 + 3MgCl2 d.r.‚no rxn‚ MgCO3 insol. 10. Zn + H2SO4 --->
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Lovely Professional University‚ Punjab Course Code Course Title Course Planner Lectures CHE883 ENVIRONMENT CHEMISTRY 15316::Pushp Lata Course Category Tutorials Practicals Credits Courses with numerical and conceptual focus 3.0 0.0 0.0 TextBooks Sr No Title Author T-1 Environmental Chemistry Edition Year Publisher Name Colin Baird‚ Michael Cann 4th 2008 W.H. Freeman and company Reference Books Sr No Title Author Edition
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In gel electrophoresis‚ DNA fragments move through a porous matrix made of agarose‚ a gelatin-like substance purified from seaweed. The agarose is melted like Jell-O® and then poured into a plastic tray to harden into a slab called a gel. A plastic comb inserted at one end while the gel is hardening forms wells where DNA samples can be placed. The DNA is mixed with a loading buffer that contains glycerol—this makes it heavier than water‚ so it will sink to the bottom of the well. The gel is then
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The procedure was taken from “From Drosophila cDNA in E. coli plasmid to homologous human proteins” lab manual (4). - Colony Picking: Two E. coli colonies were grown on agar plates and treated with ampicillin. They contained the plasmid with genes for ampicillin resistance and Drosophila cDNA sequence. - Plasmid Isolation: We used the QuickLyse Miniprep Plasmid DNA purification systems to isolate the plasmid DNA. Indeed‚ the bacterial cells were removed from the liquid broth and were resuspended
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a detailed review on the past efforts in the field of solar absorption cooling systems with the absorption pair of lithium-bromide and water. This knowledge will help them to start the parametric study in order to investigate the influence of key parameters on the overall system performance. Keywords: solar energy‚ absorption cooling system‚ air-conditioning‚ lithium bromide and water Introduction Solar energy is one of the most available forms of energy on the Earth’s surface‚ besides; it is
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Synthesis and Structure of Alcohols Alcohols can be considered organic analogues of water. H O H R O H Alcohols are usually classified as primary‚ secondary and tertiary. H R H OH H primary R R OH R R OH OH R secondary tertiary phenol Alcohols with the hydroxyl bound directly to an aromatic (benzene) ring are called phenols. Nomenclature of Alcohols (Normally any compound’s name which ends in –ol is an alcohol of some sort) IUPAC rules that:
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(a) Sodium hydroxide NaOH (b) Potassium nitrate KNO3 (c) Magnesium sulfate MgSO4 (d) Aluminum phosphate AlPO4 (e) Aluminum nitrate Al(NO3)3 (f) Ammonium nitrate NH4NO3 25. Name each of the following binary ionic compounds. (a) NaBr sodium bromide (b) MgS magnesium sulfide (c) CaO calcium oxide (d) MgCl2 magnesium chloride (e) AlF3 aluminum fluoride (f) CaI2 calcium iodide 26. Name each of the following binary molecular compounds. (a) O2F2 dioxygen difluoride (b) SiF4 silicon tetrafluoride
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reaction. After the reactants were mixed in the tube a cloudy yellow liquid formed indicating the formation of solid Iron Phosphate. The Iron cation followed the generally insoluble rule of the Phosphate anion. 4. Chloride‚ nitrate‚ sulfate‚ and bromide are generally soluble anions. Phosphate‚ hydroxide‚ and carbonate are generally insoluble anions. Potassium‚ Sodium‚ and Ammonium are always soluble cations. Iron‚
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Analysis of Lipid through Two-Dimensional Thin Layer Chromatography Myca Pua‚ Ramon Ramos‚ Amanda Redilas‚ Kimleigh Reyes‚ Nathaniel Sim and Clara Tamondong Group 9 2F Medical Technology Biochemistry Laboratory ABSTRACT Lipids constitute a group of naturally occurring molecules that include fats‚ waxes‚ sterols‚ fat-soluble vitamins such as vitamins A‚ D‚ E‚ and K‚ monoglycerides‚ diglycerides‚ triglycerides‚ phospholipids‚ and others. In this experiment lipid was extracted from the egg yolk
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have a shiny appearance * are usually poor conductors of heat and electricity * can be solids‚ liquids‚ or gases at room temperature solid liquid gas sulfur bromine nitrogen carbon oxygen Nonmetals‚ and Metalloids Metalloids: * are located on the solid line that starts
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