Scientists designed this complex chemical in hopes that they could make a substance that could effectively kill bacteria while not being toxic to the body. The way Povidone-iodine works is actually quite interesting. The iodine works as an oxidizing agent. Oxidizing agents reduce the amount of electrons in an atom making something called an iodine-ion. An iodine-ion is what forms when a molecule is oxidized. It is an electrolyte that disturbs the balance of ions in a cell. This reaction results in the death
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Something that is oxidized loses electrons or contains an atom that increases in oxidation number. Something that is reduced gains electrons or has an atom that decreases in oxidation number. An oxidizing agent is a something that oxidizes something‚ meaning that the oxidation agent is itself reduced. A reducing agent is a something that reduces something else‚ and is itself oxidized. In this experiment‚ the class studied the electrochemical nature of corrosion of iron. Corrosion is the deterioration a
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observed for its ability to serve as a counterion for precipitation by preparing a copper (II) complex by reacting hydrated copper (II) sulfate with ammonium peroxodisulfate in the presence of pyridine. This same ability‚ coupled with its strong oxidizing ability allowed for stabilization of the unusual oxidation state of 2+ for silver which was observed by preparing an analogous silver (II) complex by reacting silver (I) nitrate with ammonium peroxodisulfate in the presence of pyridine. IR spectra
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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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(Harris‚2009). It involves the transfer of electrons between the two solutions. This experiment aims to determine the amount of iron or iron content of a razor blade by redox titration using potassium permanganate as a titrant and a self-indicating agent. Blank titration is used to estimate the titration error. Proper techniques and calculation regarding blank titration is also shown. This experiment will help the students to learn the proper conduction of redox titration and how to apply it in
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will effuse 2.12 times faster ____ 2. Consider the following redox reaction: 4NH3 + 5O2(4NO + 6H2O Which of the following statements is correct? A. N is reduced‚ NH3 is oxidizing agent B. O is oxidized‚ O2 is reducing agent C. N is reduced‚ O is oxidized D. N is oxidized‚ O2 is oxidizing agent ____ 3. If 145 g of KNO3 were added to water to make 1‚500 mL of solution‚ what would be the molarity of the resulting solution? A. 0.956 M B. 1.43 M C. 0.0967 M D. 10
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Results and Discussion Potassium permanganate‚ KMnO4‚ is widely used as an oxidizing agent in volumetric analysis. In acid solution‚ MnO4- ion undergoes reduction to Mn2+ ion as shown in the equation: 8 H+(aq) + MnO4-(aq) + 5e- → Mn2+(aq) + 4 H2O(l). Since the MnO4- ion is violet and the Mn2+ ion is nearly colorless‚ the end point in titrations using MnO4- as the titrant can be taken as the first permanent pink color that appears in the solution being titrated.1 The number of moles of potassium
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Design Lab Experiment Question: In oxidation-reduction reactions‚ or redox reactions‚ are strengths of reducing and oxidizing agents different from each reaction? Theory of an experiment: 1. Determine the relative strengths of oxidizing agents and reducing agents. 2. Study some simple oxidation-reduction reactions Hypothesis: Relative strengths of reducing and oxidizing agents differ from each reaction. Background Information: Whenever electrons are lost by one substance‚ they must be gained
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1 INTRODUCTION 1 Goals The tutorial is intended to provide information on agents and agent technology to educate more of the software development and CHI community on the impact and nature of current Agent technology. By providing a reasonable backdrop for agents‚ this tutorial hopes to allow the student to pursue additional reading material with a more objective eye for that which is real and that which is hyperbole (hysteria?). 2 Objectives The tutorial student should leave with
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Mn+² + 5 Fe+³ + 4H2O (3) Potassium permanganate is widely used as an oxidizing agent in volumetric analysis.Since the MnO4 ion is a deep pink-violet colour and the Mn2+ ion is nearly colourless‚ the end point in titrations using KMnO4 can be taken as the first pink colour that persists in the solution. In titration ‚ permanganate solution is put in the burette and is run down to an acidified solution of reducing agent‚ e.g..ammonium iron(II) sulphate solution.In this experiment‚ KMnO4 will be
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