C25-C29 C30-C39 C40-C49 C50-C100 A Chemical formula Synonyms CAS number AgCl3Cu2 dicopper silver trichloride 69569-0 AgClO4 silver perchlorate 7783-93-9 AgF silver fluoride 7775-41-9 AgF2 silver difluoride 7775-41-9 AgI silver iodide 7783-96-2 AgIO3 silver iodate 7783-97-3 AgMnO4 silver permanganate 7783-98-4 AgN3 silver azide 13863-88-2 AgNO3 silver nitrate 7761-88-8 Ag2O silver oxide 1301-96-8 AgONC silver fulminate 5610-59-3 AgSNC silver thiocyanate 14104-20-2
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10.0 EXPERIMENT ON DETERMINATION OF DISSOLVED OXYGEN Sl. No. Contents Preamble 10.1 Aim 10.2 Introduction 10.2.1 Environmental Significance 10.3 Principle 10.4 Materials Required 10.4.1 Apparatus Required 10.4.2 Chemicals Required 10.5 Sample Handling and Preservation 10.5.1 10.6 Precautions Procedure 10.6.1 Preparation of Reagents 10.6.2 Testing of Water Sample 10.7 Calculation 10.7.1 Table 10.7.2 Data Sheet 10.8 Interpretation of Results 10.9 Inference 10.10 Evaluation
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Abstract Tetramethylammonium iodide was dissolved in a mixture of of Iodine and 95% ethanol while gently heated in a fume hood. Once cooled‚ crystals started to form in the beaker‚ which were then collected and washed with hexane through a series of processes involving vacuum filtration. Then a mixture of 5mh of the crystals and 5ml of 95% ethanol was created and tested on a slice of potato to analyse the iodine content. After‚ with sodium thiosulphate in the buret‚ the iodide solution was titrated until
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the solution and observe the reaction. 2 Fe + 3 CuSO4 = 3 Cu + Fe2(SO4)3 The new product is iron (III) sulfate‚ it contains the Fe 3+ ion which is brown. Lead (II) nitrate and potassium iodide solutions Pour about 2.0 mL of lead (II) nitrate into the test tube. Add 5 to 10 drops of potassium iodide solution to the test tube and record your observations of the reaction. Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2 2. Magnesium metal and hydrochloric acid solution Place one scoop of magnesium turnings
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once more or until cleaned. The Formation of a Precipitate 1. Using 2 modified‚ beral pipets fill the bulb of pipet A about 1/5 full of 0.1M Pb (C2H3O2) 2(lead acetate) and fill the bulb of pipet B about 1/5 full of 0.1M Kl (potassium iodide) 2 Place the 2 pipets on the beam balance and read and record the total mass of the 2 pipets. 3. Carefully telescope the stem of pipet A into the stem of pipet B without spilling any liquid. 4. Mix the solution by gently squeezing
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examples illustrate how this can be done. Appearing blue There are a number of so called ’iodine clock’ reactions in which molecular iodine is one of the products. Probably the most famous of these is the reaction involving hydrogen peroxide and iodide
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one reaction between the titrant and the analyte [6]. ( )( ( ) )( ( ( ) ) ) In Reaction 1‚ the analyte of unknown concentration was titrated against the standard Iodine solution. It reduced the titrant‚ Iodine (I2)‚ into Iodide; while the titrant acted as oxidizing agent to the analyte. The reduction of iodine was dependent on the strength of its reducing agents; weakest reducing agents do not proceed to completion due to Iodine’s comparatively weak oxidizing capacity;
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the solute and the solvent. b. Classify the solute and the solvent as polar‚ nonpolar or ionic. c. Identify the solute-solute‚ solvent-solvent and solute-solvent attractive forces. Lewis Structures Solutes: NaCl Naphthalene Glycerol Potassium Iodide Iodine Crystal Solvents: Distilled water Ethyl Alcohol Toluene Solutions Polar‚ Non-Polar or Ionic Attractive Forces NaCl + Distilled Water Solute NaCl Solute-solute Solute-solvent Solvent Distilled water Solvent-solvent NaCl
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Rhodium No direct synthesis of safrole has been recorded‚ the most recent attempt being that of Baker and Robinson (JCS‚ 1925‚ 127‚ 1424)‚ who distilled the product of the action of silver oxide and water upon gamma-piperonylpropyltrimethylammonium iodide‚ but obtained isosafrole‚ the double bond moving into the position of greater stability. Kawai (Sci. Papers Inst. Phys. Chem. Res.‚ 1925‚ 3‚ 263) has shown that the monoallyl ether of pyrocatechol undergoes the Claisen rearrangement to give an oil
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analytical tool. Procedure 1. Determination of Reaction Rates • Obtain boiled‚ deionized water‚ pipets or burets‚ and 20-mL beakers or 150 mm test tubes in order to mix solutions for 8 kinetic trials. • Make sure to measure the volumes of potassium iodide and sodium thiosulfate with pipets before adding them to the test tubes or the beakers. • For Trial #4‚ acquire
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