has reacted with the thiosulphate solution‚ the dark blue colour will disappear. So‚ the end point of the titration is when the dark blue colour disappears. Iodine is usually dissolved in water by adding an excess of KI so that KI3 which has similar properties to iodine is formed. I2 + KI I3- + 2e KI3 3I- Oxidising agents used other than thiosulphate are iron (II) salts‚ arsenic III oxide‚ sulphur dioxide and stibium (III) oxide. The
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Ceruleo was a dark skinned‚ negative‚ loner‚ shy‚ timid ‚ smart‚ creative‚ funny saiyann his outfit is dragon ball (40) and due to all those qualities being seen as weak or loser in the saiyan community he was an outcast and for the most part had no friends whatsoever and his parents tato his mother did "bussiness with saiyan men" giving them the "goods" aight she was a ho moving on his father was named leatus and like most saiyan fathers didn’t a care a bit for his son until they ruled planets and
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bed slowly‚ testing out my strength. I was weak. I barely had any Ki left in me but it wasn’t as bad as I thought it would be. The covers slipped off as I sat up and my hair fell to the front‚ sliding down my neck. Eh? My hair…?
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to oil not mixing with water‚ the colors didn’t initially mix but were segregated. The yellow color eventually won out and it slowly turned very pale. F. NaOCl + KI C3 The reaction turned brown‚ but slowly lightened to a tan color. with 1 drop of starch C3 The reaction turned black immediately when adding the drop of starch. G. KI + Pb(NO3)2 E3 The chemical combination turned the mixture a bright yellow that looked thick and cloudy. The precipitate was yellow at the bottom of the well plate
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two drops of Blue Dye was combined with two drops of NaOCl. The results were observed and recorded. In column 1 row F; two drops of KI was combined with two drops of Pb(NO3)2. The results were observed and recorded. Then one drop of well shaken starch was added to the NaOCl and Kl and those results were observed and recorded. In column 1 row G; two drops of KI were combined with two drops of Pb(NO3)2. The results were observed and recorded. In column 1 row H; two drops of NaOH was combined
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frequency and tie-line power deviations in the three areas in case of any load disturbance in any area. This is achieved conventionally with the help of a suitable integral control action. The supplementary control of the ith area with integral gain Ki is therefore made to act on ACEi given by (1) which is an input signal to the controller
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Aslam o aliekum every one! Maheen: good morning lovely audience out there! Saman: I hope you guys are enjoying THIS COLORFUL EVENT! As salman has aready told we’re here to carry on the rest of the event! AHMED ABDULLAH Maheen: we all know larko ki cricket team main aik esa student hai‚ who is very very very obedient in class‚ and you can actually see the respect for the teachers in his eyes! Saman: the next title is for one that person who himself sets an admiring example Maheen: lets welcome
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drops of HCl. B1) Two drops of HCl and two drops of BTB. C1) Two drops of NH4OH and one drop of BTB. D1) Two drops of HCl and two drops of blue dye. A2) Two drops of blue dye and two drops of NaOCl. One drop of HCl was then added. F) Two drops of KI and two drops of Pb(NO3)2. G) Two drops of NaOH and two drops of phenolphthalein. H) Two drops of HCI and two drops of phenolphthalein. B2) Two drops of NaOH and two drops of AgNO3. C2) Two drops of AgNO3 and two drops of NH4OH. This mixture was
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iodide‚ starch‚ sodium thiosulfate‚ and hydrogen peroxide. PROCEDURES TO BE USED Kinetics of Hydrogen Peroxide Before starting any step in this lab‚ five 250mL beakers must be obtained‚ cleaned‚ and dried. Also‚ this lab requires solutions of buffer‚ KI‚ starch‚ Na2S2O3‚ and H2O2. Other lab equipment to be used includes
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05_SSLM_p227_294 8/19/04 11:47 AM Page 271 Name ___________________________ Chapter 23 • Date ___________________ Functional Groups Class __________________ SMALL-SCALE EXPERIMENT VITAMIN C IN TABLETS 38 Small-Scale Experiment for text Section 23.3 OBJECTIVES • Determine the vitamin C content of vitamin C tablets by iodometric titration. • Observe the oxidation of vitamin C in aqueous solution. INTRODUCTION Vitamins regulate biochemical reactions that take
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