involves two oxidation-reduction reactions to calculate the oxidizing capacity of a sample of unknown bleach. In order to determine the volume of Na2S2O3 added‚ students will conduct a titration of bleach with thiosulfate with addition of a starch indicator to find the end point of the titration. Moreover‚ the oxidizing capacity of bleach is calculated with the percentage by mass of NaOCl in the unknown bleach sample. The overall chemical reaction throughout the experiment will be balanced with the two oxidation-reduction
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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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Kamias‚ Calamansi‚ Papaya‚ Cucumber and Radish Soaps Materials: * 1 glass Caustic Soda (NaOH) * 3 glasses water * 5 glasses cooking oil * 1/2 glass juice or extract Procedure: 1. Prepare the materials and the utensils needed. 2. Measure 1 glass of caustic soda and 3 glasses of water and pour into a plastic pail. 3. Mix well by stirring continuously using a wooden ladle or bamboo stick. Use only one direction in mixing the mixture. Stir until the caustic soda is dissolved
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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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What exactly are they? They are ways for companies to catch the attention of consumers to entice us to purchase or use their products. My advertisement is an internet ad for Clorox Bleach. As I was researching different ads for this particular product something caught my eye. It seemed that every ad for Clorox bleach had a woman‚ and a reference to domestic duties of cleaning in some form. I will give my analogy of the two ads I found interesting. Both are from different eras‚ but seemed to be alike
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oxidize and identify an 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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the chili and kamias fruit. Not just in food‚ but the researcher wanted to produce a mosquito killer out of them. For all we know that chili has been tested and proven to be the one good ingredient in mosquito killer making and what if it is added by the acidic property of kamias fruit? The researcher wanted to know the effect of the combined property of each fruit. Statement of the Problem: This study aims to determine the effect of the said mosquito killer (chili and kamias). Especially it
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chili was a good mosquito killer because of its pesticidal property while kamias was also used as spice but it was discovered that it has properties such as astringent‚ stomachic‚ refrigerant and anti scorbutic. Other researchers use kamias as wine but in this research the proponents was to test the properties of kamias fruit with chili as a mosquito killer. This study is done to give importance to the chili and kamias fruit. Not just in food‚ but we wanted to produce a mosquito killer out of
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Jeevan Gnanodaya Project Proposal for a Chalk Making Facility JG is soliciting funds to start a chalk making facility to provide employment to hearing impaired children who drop out after Class 10.. With Asha Seattle’s support‚ Mr. Devarajan‚ has started an ITI (Vocational Training Institute). The ITI imparts vocational / technical training to students (hearing impaired as well as hearing non-impaired). It is of tremendous significance to note that JG’s 2 hearing impaired children have fared
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A comparative study between bleach and kalamansi (Citrofortunella microcarpa) in removing stain. Introduction: Calamondin or Kalamansi is a fruit tree in the family Rutaceae and a member of citrofortunella that was developed in and is very popular throughout Southeast Asia‚ Especially the Philippines‚ where it is most commonly used for cooking. It is a shrub or small tree growing to 3-6 m‚ and bears small citrus fruit used to flavor foods and drinks. It also gives people extra income
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