"Bile acid" Essays and Research Papers

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    Lab S: Acids and Bases: Titrations | Determining Equivalence Point and Molarity Susheel Palakurthi 11661148 Partners: Justin Mwakule‚ Andrew Farrell July 29‚ 2015 CHEM 123 L02 TA: Amelia Fitzsimmons Experiment conducted: July 22‚ 2015 Introduction Acids and bases is an important aspect in chemistry. A specific example of such is in the body‚ acids and bases have to be balanced in order to provide the optimal pH in the system for normal physiological processes. Anything digested by the body has

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    Effects of Citric Acid on the Viscoelasticity of Cornstarch Pastes MADOKA HIRASHIMA‚ RHEO TAKAHASHI‚ AND KATSUYOSHI NISHINARI* Department of Food and Human Health Sciences‚ Graduate School of Human Life Science‚ Osaka City University‚ Sumiyoshi‚ Osaka 558-8585‚ Japan The effects of citric acid on the rheological properties of cornstarch pastes were studied by steady shear and dynamic oscillatory viscoelasticity‚ intrinsic viscosity measurements and microscopic observation. The pH of cornstarch

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    almost everyone associates with acids and bases is the litmus paper‚ which has the ability to change the color in response to an acid or a base. Phenolphthalein is another common indicator use by beginners in chemistry because its color change is very obvious‚ making it easy to use. There are many other indicators that change color at different pH levels‚ and so are useful for different purposes. Many pigments found in nature can be quite effectively used as acid-base indicators. The purple eggplant

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    duodenum. These accessory organs are responsible for the following: - Liver – produces bile‚ which emulsifies fat - Gallbladder – stores bile and introduces it into the small intestine - Pancreas – produces and secretes pancreatic juice‚ containing digestive enzymes and bicarbonate ions into the small intestine From the duodenum the food is moved into the small intestine‚ where it is mixed with bile and pancreatic juice. The small intestine is where the final enzymatic breakdown of food

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    Experiment 5- Standardization of NaOH and determination of Molarity of an unknown Acid Objectives 1. Preparation and standardization of a 0.1M NaOH solution 2. To learn the technique of titration 3. Determination of the concentration of an unknown diprotic acid. Introduction Titration can be traced to the origins of volumetric analysis‚ which began in the late eighteenth century.  Study of analytical chemistry began in France and the first burette was made by Francois Antoine Henri

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    Acid Rain Short Essay

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    ACID RAIN Acidified particulate matter in the atmosphere that is deposited by precipitation on to a surface‚ often eroding the surface away. This precipitation generally has a pH less than 5and some times much lower depending upon the concentration of acidic components. Acidic deposition principally by the pollutant gases such as sulphur dioxide (so2) and the nitrogen oxides cause acidic deposition. The burning of fossil fuels‚ such as coal‚ forms Sulphur dioxide. that contain high quantities of

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    Introduction: Acid rain increases the rate of corrosion on statues made of certain material. The town council wants to build a statue that will not be affected by acid rain. In this experiment‚ three different types of rock are used on vinegar (acting as acid rain). The rocks used are marble‚ granite‚ and red sandstone‚ which are the most popular forms of rocks used to build monuments. Each type of rock will be submerged under 20 ml of vinegar in their own separate container. The pH of acid rain around

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    Determining the Properties of Different Acids and Bases Yamin Liu November 16th‚ 2017 Chemistry 1021 Section: 427 Benton Smith Discussion of Results The goals of this experiment were to find the identities of four unknown compounds and to first determine the pH. We then were required to run a series of anion and cation tests to determine the composition of the unknown solutions. To get more knowledge about these solutions we ran a series of dilutions to see if

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    Preparation and properties of boric acid Result The mass of borax‚ g | 10.0734 | The mass of watch glass‚ g | 36.2842 | The mass of watch glass with product‚ g | 39.9803 | The mass of product‚ borix acid‚ g | 3.6961 | Test | Result | Boric acid is dissolved in water and methyl red indicator is added. | Pink solution is observed | Mannitol is dissolved in water and methyl red indicator is added. | Pink solution is observed | Both solution is added together | The colour of solution

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    Exercise 6: Acid-Base Titrations Nick Redmond Partner: Stephan Villavicencio Thurs. Section Lab date: March 19‚ 1998 Report date: April 6‚ 1998 Abstract: The equilibrium between acids and bases during a titration can be used to determine several characteristics of the acid or the base. Sodium hydroxide was standardized to 0.1035 M in three acid-base titrations of potassium hydrogen phthalate (KHP). This standardized NaOH solution was then used in a series of other titrations with acids in order

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