CHEMISTRY 221 LABORATORY�QUANTITATIVE ANALYSIS EXPERIMENT: DETERMINATION OF ASCORBIC ACID IN VITAMIN C TABLETS THEORY: Ascorbic acid‚ C6H8O6‚ MM = 176.13‚ can be oxidized to form dehydroascorbic acid by bromine via the following reaction: The bromine or iodine used in the titration is generated by adding an excess amount of KBr or KI to an acidified solution of the sample according to the following reaction: BrO3- + 5 Br- + 6 H+ 3 Br2 + 3 H2O IO3- + 5 I- + 6 H+
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Date: School: Facilitator: 5.02 Scopes Trial Directions: Use the primary source material provided within the lesson to complete the chart below. Who supported the Butler Act? Who opposed the Butler Act? State of Tennessee Fundamentalists William Jennings Bryan (defended the state of TN during the trial) John Scopes American Civil Liberties Union (ACLU) Clarence Darrow (defended Scopes during the trial) Select one of the 5 sources that support the Butler Act
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------------------------------------------------- Evidence gathering form Evidence no | 3 | Evidence date | September 2012 | Identify evidence type Direct observation Reflective account x Questions Expert witness Product Witness testimony Candidate name | | Evidence HSC 33 HSC32 HSC31 | Unit‚ Element‚ PCs | Knowledge | Service users have a right to a high standard of care.As I work in a Care Home I have attended various training sessions which is the
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The Scopes Trial In the year 1859‚ Charles Darwin published his book On the Origin of Species by Means of Natural Selection‚ or the Preservation of Favored Races in the Struggle for Life. In this book‚ Charles Darwin explains that species need to evolve and adapt in order to survive. Natural selection is the process in which over time certain species and/or characteristic of certain species‚ will evolve and flourish while others will not. Darwin outlines the scientific theory of evolution;
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Was the Salem Witchcraft Hysteria a Product of Women’s Search for Power? The Salem Witchcraft Trials was brought on by some young women. They accused many different people of performing witchcraft. Those who said they were innocent were killed and those who said they were guilty were used to help find more witches. Lyle Koehler says “Yes” in his book‚” A Search for Power: The ‘Weaker Sex’ in Seventeenth-Century New England.” He believes that women wanted more power‚ so they pretended to be
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1. Q:Collect Balance Sheet of five different companies. Try to analyse it in your own words. Analysis can be in terms of change in profit‚ asset‚ liabilities. Etc ZYNGA [pic] The First comapny we’ll be looking at is Zynga. Let’s jump right into it. Across the board‚ the Total Current Assets is less than the previous year‚ more more than other earlier years. This could indicate that the company may have liquidized some of their assests within the year. Total Assests is greater than the
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“The Zimmerman Trial” On February 26‚ 2012‚ George Zimmerman‚ a Hispanic and neighborhood watch volunteer was patrolling the retreat at Twin Lakes‚ a Townhouse Development in Florida. At 7:09 pm Zimmerman called a non-emergency police response line‚ reporting a suspicious person walking about. The person whom Zimmerman saw was 17 year old Trayvon Martin‚ who was walking back to his father’s fiancé’s house from a convenience store‚ with nothing on him but a pack of candy and a drink. At 7: 13
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Ways that Students Prepare for Exams In general‚ exams play a role that testing students whether they acquire knowledge. Teachers know problems that students didn’t master from exam‚ and students also can find out their disadvantages from exams. In order to access more knowledge and get higher scores‚ students have many ways to prepare for exams‚ including studying with friends‚ asking teachers for help‚ and reading books for research. The first type is studying with friends‚ it means students
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1. Yes‚ I think David is well-adjusted in terms of his sexual identity and his relationships with others. I think that dealing with alienation throughout life has helped him come to terms with his sexuality. He has learned to deal with ignorance around his sexuality‚ due to people not understanding asexuality. Even his own parents were averse to the idea of him being asexual because they did not think that people could be happy without sexuality in their lives. He used his adverse experiences to
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Cory Monteith dies at 31. What an early age to die right? I was never a Glee fan but for a short period‚ ummmm say 1 season‚ I actually enjoyed it because of Noah! Of course‚ I never did discount the talent of Rachel and Finn. Cory Monteith’s life was cut tragically short on Saturday‚ July 13. The Glee star‚ who celebrated his 31st birthday on May 11‚ was found dead in a hotel room at the Fairmont Pacific Rim Hotel in Vancouver‚ Canada‚ police announced in a press conference. According to
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