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    Bleach Lab Report

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    antimicrobial that we use in our home is bleach. Bleach contains the ingredient hypochlorous acid. This ingredient “causes bacterial proteins to unfold and stick to one another‚ making them nonfunctional

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    Standard Bleach Lab

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    Introduction The overall objective of this experiment is to determine the mass percent of NaClO‚ sodium chloride‚ in standard bleach. The purpose of part 1‚ is to standardize Sodium Thisulfate‚ Na2S2O3‚ with the primary standard Potassium Iodate‚ KIO3. The standardized Na2S2O3 will then be used in Part 2‚ to help determine the mass percentage of sodium chloride in bleach. The chemical equation used in standardizing sodium thisulfate is‚ IO3- (aq) + 5I- (aq) + 6H+(aq) ---> 3I2 + 3H2O followed by

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    commercial bleach lab

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    I. Title: Analysis of a Commercial Bleach II. Purpose: III. Materials: Commercial bleach‚ 5% NaClO. (5 mL). Hydrochloric acid (HCl)‚ 3M. (6 mL). Potassium Iodide (KI). (6 g). Sodium thiosulfate solution (Na2S2O3)‚ 0.100 M. (70 mL). Starch solution 2%. (3 mL). Safety goggles Apron Digital scale Buret Buret clamp Erlenmeyer flask Pipet bulb Ring stand Ttransfer pipet‚ 5 mL and 25 mL Volumetric flask‚ 100 mL Stopper Wash bottle Distilled water Weigh boat Beakers‚ IV. Procedures:

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    Analysis of Commercial Bleach Lab I. Purpose In this experiment‚ the amount of sodium hypochlorite in a commercial bleach will be determined by reacting it with sodium thiosulfate in the presence of iodide ions and starch. A solution of sodium thiosulfate of known concentration will be added to the bleach using a buret in a titration procedure. The disappearance of the dark blue color of the starch-iodine complex will signal the end point. II. Procedures Pre-Lab Questions 1. What is

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    Bleach

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    Bleach (ブリーチ Burīchi?) is a Japanese manga series written and illustrated by Tite Kubo. Bleach follows the adventures of Ichigo Kurosaki after he obtains the powers of a Soul Reaper (死神 Shinigami?‚ literally‚ "Death God") —a death personification similar to the Grim Reaper—from another Soul Reaper‚ Rukia Kuchiki. His newfound powers force him to take on the duties of defending humans from evil spirits and guiding departed souls to the afterlife. Bleach has been serialized in the Japanese manga anthology Weekly

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    Bleach

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    What’s in a “Chemical”? Jordan Butt and Alexandra Porter Bleach Table of Contents HOUSEHOLD CHEMICAL – Bleach * Page 4 : Product Use * Page 5 : Chemical Ingredients * Page 6 : Associated Symbols * Page 7 : Suggested Precautions * Page 8 : Possible Health Effects * Page 9 : Possible Environmental Effects * Page 10 : Disposal recommendations CHEMICAL COMPOUND – Sodium Hypochlorite * Page 12 : The Basics * Page 13 : Chemical Properties * Page 14 : Physical Properties

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    Bleach Oxidation of 9-Hydroxyfluorene The purpose of this experiment was to oxidize an alcohol (9-hydroxyfluorene) to a ketone (9-fluorenone) using aqueous sodium hypochlorite (bleach) as the oxidizing agent‚ while introducing techniques used in microscale experiments. Reaction: Results 1. Recrystallized Product Yield Product yield = (actual yield/theoretical yield) x 100% 3mL 9-hydroxyfluorene x (1mL/1000mL) x (0.09 mol/L) = 2.7 x 10-4 moles 0.05g 9-fluorenone / (180.20g/mol) = 2.77 x 10-4

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    Lab 9: Analysis of Commercial Bleach Introduction Many common products are effective because they contain oxidizing agents. Some products‚ which contain oxidizing agents‚ are bleaches‚ hair coloring agents‚ scouring powders‚ and toilet bowl cleaners. The most common oxidizing agent in bleaches is sodium hypochlorite‚ NaClO (or NaOCl). Commercial bleaches are made by bubbling chlorine gas into a sodium hydroxide solution. Some of the chlorine is oxidized from the molecular form (Cl2) to the

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    Bleach And Osmosis

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    the impact of two different topical chemicals on growing bacteria over the course of a week. Bleach‚ water‚ hand sanitizer and hand soap were all variables used to observe the effects of the bacteria swabbed from my palm and fingers. Bleach has been the go to product for killing germs and it is because of the similar effects it has with high temperature on the proteins in bacteria. I hypothesized that bleach would be the most efficient way for killing the bacteria over hand sanitizer and hand soap

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    unknown alcohol using hypochlorite‚ or household bleach. During the experiment‚ the bleach oxidized the secondary unknown alcohol into a liquid ketone which was distilled or boiled to find the boiling point and then identified using a chart of unknown identities and boiling points. The oxidation of the unknown alcohol was done through the mixing of the unknown alcohol‚ glacial acetic acid‚ and bleach. Through the procedure of oxidation over a period of two lab days‚

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