Analysis of Commercial Bleach Lab I. Purpose In this experiment‚ the amount of sodium hypochlorite in a commercial bleach will be determined by reacting it with sodium thiosulfate in the presence of iodide ions and starch. A solution of sodium thiosulfate of known concentration will be added to the bleach using a buret in a titration procedure. The disappearance of the dark blue color of the starch-iodine complex will signal the end point. II. Procedures Pre-Lab Questions 1. What is
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Chromosome 11 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. Chromosome 11 spans about 134 million base pairs (the building material of DNA) and represents between 4 and 4.5 percent of the total DNA in cells. Identifying genes on each chromosome is an active area of genetic research. Chromosome 11 likely contains between 1‚300 and 1‚700 genes. Genes on chromosome 11 are among the estimated 25‚000 total genes in the human genome. There are many
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Floyd Askew 3/19/13 CHEM 1211L Lab Report Introduction The purpose of this lab is to use volumetric analysis to determine the concentration of unknown substances. A sodium hydroxide solution is standardized to assist in finding the concentration of an acetic acid. An indicator must be used to pin point the equivalence point‚ the point in which 1 mole of a substance is equal to 1 mole of another. When that is found‚ we can determine the concentration. HC2H3O2 (aq) + NaOH (aq)
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Abstract Chemically active extraction was used to separate two unknown compounds from each other and to determine what compound class each compound belongs. The solid unknown was purified by recrystallization and its melting point range was determined to be 109-111°C. The liquid unknown was purified by simple distillation and its boiling point was determined to be 95°C. An IR spectrum was collected for each of the purified compounds; the solid was determined to be 3-toluic acid and the liquid was
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Act 11 ( Julius Caesar) Brutus is still on the hunt to killing his dear friend Julius Caesar‚ he has a team of people who oppose Caesar to help Brutus in his devious plan. Today in class we played a game called mafia‚ that resembles the scenes in act 11 of Julius Caesar. The way you play mafia is that you have a your detectives( your number choice) ‚ citizens‚ and hit mans(your number choice. Mrs. Petrossian chose who played what‚ the detectives were unaware on who were the hit men’s and the hit
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I believed in 11:11 but Adam didn’t. (11:11 Numerologists believe that events linked to the time 11:11 appear more often than can be explained by chance or coincidence. This belief is related to the concept of synchronicity source: https://en.m.wikipedia.org/wiki/11:11_(numerology) ) Adam is my neighbor (he lives next to me) and he makes me happy more than anyone (he is the reason behind my smile) ... Adam lives with a poor family‚ he barely goes out except for school I think. Adam has a few number
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Throughout the bible we learn a lot about Jesus and his messages. He is a teacher‚ provider‚ and so much more. In Philippians 2:1-11 we are confirmed in our knowledge that Jesus is humble and kind. Even though he was almighty and regardless of his immense power‚ he showed us that even he can die for us. In Philippians we are reminded to be more like him. We can read all of the wonderful things he has done‚ however‚ his message goes further than that. He wants us to be like him‚ strive to be filled
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between Romeo and Juliet by William Shakespeare and 9/11. In both of these tragic events there were was the aftermath‚ death‚ and the people’s reaction. The audience’s reaction to Romeo and Juliet is like a cliff hanger because they have to keep their marriage a secret‚ which caused a lot of tension between them both and sooner or later they are going to have enough. They end up doing anything they can so they don’t get separated. On the day of 9/11 many people
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In chapter 11‚ of Harper Lee’s‚ To Kill a Mockingbird‚ Jem has to go to Mrs. Dubose’s house after school every day to read to her because he destroyed her flowers. The story would be described much differently‚however‚ if it was from the perspective of Mrs. Dubose. All throughout the first part of the book‚ Jem and Scout have to walk past Mrs. Dubose’s house to get home from school everyday. They are ridiculed constantly and‚ for the most part‚ handle it well. That is‚ before Mrs. Dubose crossed
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QlikView 11 for Developers Develop Business Intelligence applications with QlikView 11 Miguel García Barry Harmsen professional expertise distilled P U B L I S H I N G BIRMINGHAM - MUMBAI QlikView 11 for Developers Copyright © 2012 Packt Publishing All rights reserved. No part of this book may be reproduced‚ stored in a retrieval system‚ or transmitted in any form or by any means‚ without the prior written permission of the publisher‚ except in the case of brief quotations embedded
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