Chlorine

Paragraph 1 This report aims to study the symmetrical distinctions, crystal structures and chemistry of α‐FePO4 and β‐FePO4 as well as any alteration to FeO4 and PO4 when there are modifications to temperature. It also seeks to justify the tilting of the tetrahedral. The article by Haines shows that he had studied the iron phosphate, FePO4, at temperatures from 294 K to 1073 K and had found that the turning point between the 2 phases is at 980 K, where FePO4 takes on the alpha phase at…

Chapter 6 Experimental Work ACETATE BY HPLC Method of Analysis Mobile phase: 0.025 mol/L (0.05N) sulfuric Acid. Using a volumetric pipette, add 3 ml of concentrated sulfuric acid to approx. 1500 ml water in 2 liter volumetric flask. Dilute volume with water. Standard Preparations: Accurately weigh 0.240g each std1 and std2 of sodium acetate tri-hydrate W.S. into 100 ml volumetric flask. Then dilute 25 ml to 50 ml with water. Sample Preparation: Dilute with water such that the…

In this lab there was 2 objectives which where to recognize when a chemical reaction has occurred and practice collecting detailed observations in the laboratory using proper scientific terms. Reaction set #1 (1a) place approximately 1 ml of 0.1 M Pb (No3)2 solution into a test tube. Then sequentially add drops of 0.25M k2CRO4 solution until you see evidence of a chemical reaction. The products of this reaction are aqueous KNO3 and solid PbCrO4. (1b) place approximately I ml of .1M Pb (NO3)2…

Introduction The purpose of this lab is to find the emperical formula of a compound made of magnesium and oxygen. We took a strip of magnesium and combusted it to figure out how much of the strip was magnesium by weighing the remaining ashes. The weight that wasn’t transferred to ashes was burnt off in the smoke as oxygen. To find the emperical formula, you had to take the average mass of both magnesium and oxygen and divide by the average mass to get the amount of mols in the compound.…

Abstract: The Grignard reaction was successfully accomplished. An amount of 1.20 ml of 2-methyl-2-pentanol was collected, and 9.60% yield was calculated based on the theoretical yield. Despite the low amount of 2-methyl-2-pentanol, its identity was confirmed by comparing the experimental refractive index and infrared spectrum to the literature refractive index and infrared spectrum of 2-methyl-2-pentanol. Statement and purpose The purpose of this experiment is to synthesize a specific alcohol…

Have you ever been mowing your lawn and your lawn mower seems to be having a tough time? You've checked the gas and its all gassed up, the grass bag is empty. What could possibly be wrong with it. Well it's most likely your lawn mower is in need of an oil change. I'll be teaching you how to do that yourself so you don’t look like a dandy. You'll need a role of paper towels or an oil towel, two empty milk cartons, SF, SG, SH, or SJ oil depending on what your hardware store offers, a funnel and a…

The problem/question investigated was to see if mixing affects the amount of time it takes to dissolve a lifesaver. My hypothesis stated, If a lifesaver is mixed into water then, the time it takes to dissolve will decrease because by stirring or shaking causes the solute particles to separate from one another and spread out quicker among the solvent particles. My hypothesis was supported. For the mixed lifesaver, at 2 minutes 12 seconds, the lifesaver got smaller and turned the water red, at the…

Iron determination From accurately carrying out the iron determination experiment, this meant that we could then do some calculations to work out the exact concentration of iron in the tablet and the exact amount which is made up of iron, these are stated in my conclusion. We carried out this practical safely when rinsing and using the glassware as there was no breakages or injuries caused by the glassware. Whilst handling the chemicals we wore disposable gloves, goggles and lab coats at all…

In this experiment, the competing enantioselective conversion (CEC) method was used to react an unknown secondary alcohol, which is either the R- or the S- enantiomer, with S-HBTM and R-HBTM separately. Thin-layer chromatography (TLC) was used to determine which reaction was faster. If the S-HBTM was faster, then the unknown secondary alcohol had the R configuration. If the R-HBTM was faster, then the unknown secondary alcohol had the S configuration. 1H NMR was used to determine the molecular…

The element I selected for the Element Research Project is Osmium. Osmium’s chemical symbol is Os. Osmium’s atomic mass is 190 amu. Osmium’s atomic number is 76, it has 76 protons and 76 electrons. Osmium also has 114 neutrons. Osmium belongs to the transition metal group in the middle of the periodic table. Osmium’s Bohr model with electric configuration has two electrons in the first shell, eight in the second shell, eighteen is the third shell, thirty two in the fourth shell, fourteen in the…