experiment is to determine the pH values of acids‚ bases‚ and buffers of distilled water and 10.0 buffer using measured concentrations of Sodium hydroxide (NaOH) and/or Hydrochloric acid (HCl). Acid is a compound typically having a bitter taste and capable of nullifying alkalis and releases hydrogen ion when added to a solution‚ or containing an atom that can accept a pair of electrons from a base (McKinley‚ Dean O’Loughlin‚ & Stouter Bidle‚ 2016). Bases are water-soluble and are harsh tasting compounds
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DKFLSDFKLFKJ | Acid-Base Titration. | kfjhdkjhvdkfj | | April Jowers | 12/19/2012 | DKFJSDKJFHDSKJHF | Introduction In this lab we will use basic titrating skills and techniques in order to titrate HCl. We will also be practicing how to prepare the solution. Using the titration data‚ we can practice our stoichiometric skills and also become more familiar with using lab equipment. Titration is the process of measuring the exact volume of a solution of known concentration that is
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Chemistry A Rap 1 4/6/12 Acid and Base Report If someone were to ask the common teenager in the US‚ “What’s acid?” they would probably respond with something akin to “It’s that one drug that makes you see stuff that isn’t really there and just kinda makes you crazy”. And if that same someone was to ask that same teenager‚ “What’s a base?” their response would most likely have something to do with either baseball‚ or freeze-tag. The thing is‚ most people don’t really understand the most common
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Peria‚ Ellen Faith L. Tacula‚ Jassy Camille D.S. Activity 11 Acids and Bases I. Objectives * To identify some acids and some bases which are used in common household products. * To construct an operational definition of an acid and a base‚ using the characteristic properties of those substances. II. Procedure A. For acids * Place 2ml each of dilute acetic acid‚ hydrochloric acid‚ sulfuric acid‚ carbonated drink (colorless) and calamansi
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different. It occurs when different subunits each attempt to reach a solution that is optimal for that unit‚ but that may not be optimum for the organization as a whole. For example‚ the quality control department of a factory may want to introduce a program that will guarantee that every bulb that is produced is perfect. However‚ the higher cost and the resulting high price would lead to a disaster for the overall company in the form of lower sales. Base on the view of culture metaphor‚ organizational
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Introduction to Acids Base chemistry Purpose How to determine the constant equilibrium of an acid‚ Ka? How to evaluate the concentration (M) of an acid? In “part A” experiment‚ we would test the PH of different concentration of acetic acid (a weak acid which partially dissociated in water) with a PH probe. After we got the PH‚ we could find out the concentration of H+ by applying the relationship pH = -log [H+]. Having the determined value of [H+] of a weak acid with a known molar concentration
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Period: 4 Strong Acid and Weak Base Lab PURPOSE: To find the molarity of an unknown acidic acid. MATERIALS: 1. 250 mL beaker 2. 10 mL graduated cylinder 3. 50 mL beaker 4. Funnel 5. 125 mL Erlenmeyer flask 6. 50 mL buret 7. Ring stand 8. Strong acid 9. Weak base 10. Phenolphthalein 11. De-ionized water. PROCEDURES: 1. Fill the buret with a weak base and place it in the ring stand. 2. Fill the 50 mL beaker with
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Banana is one of the most commonly consumed fresh fruit in the world. One of the episodes of the Secret Ingredient‚ a US National Public Radio show‚ focuses on this specific fruit discussed by feminist professor and a writer Cynthia Enloe and in her latest book‚ “Bananas‚ Beaches and Bases: Making Feminist Sense of International Politics.” In this essay‚ I am going to discuss the extensive history of exploitation in the banana enterprise‚ and the elaborate power configuration involved in transporting
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to communicate with each other. For this reason‚ most database software comes with an Open Database Connectivity (ODBC) driver that allows the database to integrate with other databases. For example‚ common SQL statements such as SELECT and INSERT are translated from a program’s proprietary syntax into a syntax other databases can understand. * Objectives of DBMS The objectives that the management should keep in mind when they design and organize their data base management systems are:
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Title: DNA analysis Aim: a) Isolate and Purify Bacterial Chromosomal DNA from a strain of E.coli b) Visualization of restriction fragments by Agarose Gel electrophoresis Objectives: * to isolate and purify bacterial chromosomal DNA from a strain of E.coli * to analyze and identify DNA by use of a spectro-photometer * to use restriction enzymes to cleave DNA into fragments * to visualize the restriction fragments by gel electrophoresis * to compare the different
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