"Potassium permanganate" Essays and Research Papers

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    Potassium Chlorate

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    The Composition of Potassium Chlorate Objectives The objectives of this laboratory are: a) To experimentally determine the mass percent of oxygen in the compound potassium chlorate (KClO3) via the thermal decomposition of a sample of potassium chlorate. b) To qualitatively demonstrate that the residue resulting from the decomposition of potassium chlorate is potassium chloride. Background All compounds consist of elements chemically combined in fixed proportions – they obey the Law of Constant

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    though they had direct contact with his tea cup. OJ Glasse was being blackmailed by Dusty Mantel‚ about the second and final Will that he discovered on his dead brother’s desk. He works for the FBI as a bio-chemist and would probably have access to potassium cyanide‚ but he “couldn’t even kill a rat for an experiment”‚ not to mention there was no direct opportunity after Dusty left to change. Tiffany Glasse had been robbed of her father’s fortune by Dusty‚ yet‚ she did not seem to know about it. She

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    Potassium Hydroxide (Koh)

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    Potassium Hydroxide (KOH) Introduction Potassium hydroxide is an inorganic compound with the formula KOH‚ commonly called caustic potash. Along with sodium hydroxide (NaOH)‚ this colorless solid is a prototypical strong base. It has many industrial and niche applications. Most applications exploit its reactivity toward acids and its corrosive nature. In 2005‚ an estimated 700‚000 to 800‚000 tonnes were produced. Approximately 100 times more NaOH than KOH is produced annually. KOH is noteworthy

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    oxidation to form carboxylic acids in two stages‚ it forms an aldehyde and then to the acid. In this experiment‚ we are used to prepare benzoic acid from benzene. Potassium permanganate is used this operation as an oxidizing reagent‚ it is used to oxidize the benzoic acid as well as acting as a catalyst for the reaction. Potassium permanganate (KMnO4) is a very strong oxidant which is able to react with many functional groups‚ such as secondary alcohols‚ 1‚2-diols‚ aldehydes‚ alkenes‚ oximes‚ sulfides

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    Adequate Potassium Intake

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    Recommended daily allowances There is no RDA for potassium‚ although the National Library of Medicine recommends 1‚600 to 3‚500 mg of potassium for the average adult diet. The association recommends equal amounts of sodium and potassium for our bodies. A variety of potassium-rich foods should be eaten daily for healthy and active people. Athletes also may need more potassium because it helps replace the lost of potassium from muscles and the lost in sweat during exercise. Athletes involved in

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    Physiology

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    titration. • To review the stoichiometry of an oxidation-reduction reaction. • To practice the titration technique. • To determine the concentration of an unknown sodium oxalate (Na2C2O4) solution by titrating it against standardized potassium permanganate solution (KMnO4). Principle: Redox reaction is just like an acid-base reaction. An acid can show its acidic properties in the presence of base only. Like acid-base reaction‚ redox reactions are concerned with the transfer of electrons

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    EXPERIMENT 9 Composition Potassium of Chlorate IUA-‚TERIAL S AND E QUI PME NT Solids: Reagent Grade potassium chlorate (KC1O3)and potassium chloride (KCl). Solutions: dilute (6 M) nitric acid (HNO3) and 0.1M silvernitrate (AgNO3). Th.o No.0 crucibles with covers; Ceramfab pad. DISCUSSION The percentage composition of a compound is the percentage by mass of each element in the compound. If the formula of a compound is known‚ the percentage composition can be calculated from the molar mass and the

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    fdsg

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    Unit 3 assessment O1 Analysis of fertiliser-an extended experimental investigation Background: In this investigation you will analyse the composition of a lawn fertiliser‚ or ‘lawn food’. You may use external sources to help you complete the this section. Q1. Why is each of the elements Nitrogen‚ Phosphorus‚ sulfur and iron included in lawn food? ______________________________________________________________________________________________________________________________

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    Atz 1

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    agent used is alkaline potassium permanganate (VII). Benzyl alcohol is refluxed with potassium permanganate in water. The mixture is hot filtered to remove manganese dioxide and then allowed to cool. Reaction between the alcohol with the oxidizing agent will produce sodium salt (i.e sodium benzoate)‚ which on acidification with hydrochloric acid will produce benzoic acid. Objective To prepare benzoic acid from benzyl alcohol. Materials Sodium hydroxide‚ potassium permanganate‚ benzyl alcohol‚ concentrated

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    Redox Titration

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    volumetric analysis: Redox titration. • To review the stoichiometry of an oxidation- reduction reaction. • To determine the concentration of an unknown sodium oxalate (Na2C2O4) solution by titrating it against standardized potassium permanganate solution (KMnO4). • To determine the percent by mass of Fe(II) in the form of ferrous ammonium sulfate Fe(NH4)2(SO4)2.6H2O in a mixture by redox titration. B. Theory: (electron transfer reactions) 2Mg (s) + O2 (g)

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