Acid and Base Titrations: Preparing Standardized Solutions Introduction: This experiment focuses on titrations of acids and bases. A titration depends on addition of a known volume of solution and is a type of volumetric analysis. Many titrations involve either acid-base reactions or oxidation-reduction reactions. In this experiment we do one of each. We monitor the pH of the reaction with the use of a color indicator. We also learn about the standardization of bases (NaOH) and acids (HCl) which
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reaction schemes should include molecular weights and any other important physical data for the reagents and products. Ex. Cyclohexanol was oxidized to cyclohexanone using sodium dichromate in the presence of sulfuric acid. * Note: you can download a free version of a structure editor from ACD labs‚ the PC version is called chemsketch‚ the Mac version is called marvinsketch. You should learn how to draw structures using these programs. Lab reports should look professional and they should not have hand
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intensive care unit (ICU) from 2007-2010‚ choosing from 1203 adult patients who were screened for MRSA. For a base control‚ two non-colonized patients were randomly selected for every colonized patient. In the examination of future MRSA infections only lower respiratory tract (LRTIs) and bloodstream infections (BSIs) were considered‚ as they are the most common (Ghidey et al‚ 2014). Fifty-seven colonized
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In “HARD BODIES” by “STUART EWEN” and “THE SPORTS TABOO” by “MALCOLM GLADWELL” outlines particular sports in addition to the differences between the athletic individuals and the ways in which they experience extracurricular activities. The first article listed begins by introducing a man named Raymond who is hoping to achieve the body figure in which he has always dreamed of having. It goes through his daily workout in detail in which he accomplishes after a long day in his office. To achieve his
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submit to a law even if they believe the law is wrong. Others think the opposite‚ if a person believes something is unjust why would they follow it. Everyone has a different point of view and after reading The Scarlet Letter by Hawthorne‚ The Letter from Birmingham Jail by Martin Luther King Jr.‚ Laws Scarlet Letter by Korobkin and Lyceum Address by Lincoln‚ it is important to follow ones conscience. This may seem unjust‚ but is it just to support an unjust law? This is where the controversy comes
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relaxing comfort but to others it can be an emotional rollercoaster just to view one certain show. Reality TV can affect the viewers and the contestants especially emotionally‚ selfishly‚ and physically. One noticeable similarity that develops from these three articles is that viewers and contestants are affected emotionally. For example‚ Kathy Kennedy believes that reality TV is too negative and states‚ “I don’t even want to watch ‘ER’ anymore. Anything that’s sad or dramatic…it seems too much
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imprisoned by the language that we ourselves created. Those words in the biblical texts are from a perspective of a different person but we believe in his/her words‚ borrow the idea and we make our own beliefs which is still inspired by someone’s perspective. Those beliefs define the world around us. Thus‚ through language we create our own limited world and imprison ourselves. Likewise‚ in the excerpt Cosmic Prison from the book The Invisible Prison by Loren Eiseley‚ the author argues‚ that human perspective
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Alanine (ala‚ A) (neutral‚ non-polar) Arginine (arg‚ R) (basic‚ polar) Asparagine (asn‚ N) (neutral‚ polar) Aspartic Acid (asp‚ D) (acidic‚ polar) Cysteine (cys‚ C) (neutral‚ slightly polar) Glutamic Acid (glu‚ E) (acidic‚ polar) Glutamine (gln‚ Q) (neutral‚ polar) Glycine (gly‚ G) (neutral‚ non-polar) Histidine (his‚ H) (basic‚ polar) Isoleucine (ile‚ I) (neutral‚ non-polar) Leucine (leu‚ L) (neutral‚ non-polar) Lysine (lys‚ K) (basic‚ polar) Methionine (met‚
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Acid Base And Salt Acid Acids:- The word ‘Acid’ came from Latin word ‘Acidus or Acere’ which means sour. Sour taste is the most common characteristic of acid. Acid turns blue litmus paper red. There are many substances which contain acid and hence taste sour‚ such as curd‚ tamarind‚ lemon‚ etc. Types of Acids:- Acids are divided into two types on the basis of their occurrence – Natural acids and Mineral acids. Natural Acid:- Acids which are obtained from natural sources are called natural
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Anna Powell 2nd I.Title: Acid-Base Titrations AP Chemistry Laboratory #6 II.Purpose: The purpose of this experiment is to standardize a sodium hydroxide solution and use the standard solution to titrate an unknown solid acid. The equivalent mass of the solid acid will be determined from the volume of sodium hydroxide added at the equivalence point. The equilibrium constant‚ Ks‚ of the solid acid will be calculated from the titration curve obtained by plotting the pH of the solution versus
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