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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There are major differences that separate base pay from incentive pay. Some employers may choose to offer compensation as base pay only‚ while others offer base pay plus incentive pay. This is often the case for professional sales positions for example. Base pay is the rate of monetary compensation given from employer to employee not including overtime or bonuses. Incentive pay‚ (which for the scope of this paper has been designated lump sum bonuses paid annually) is a monetary gift provided to an
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Case Vignettes in Acid-Base Balance Due Saturday‚ March 16 th Choose three of the four vignettes and BRIEFLY answer the questions that follow. Normal Levels of Substances in the Arterial Blood: pH 7.40 + 0.05 pCO2 (partial pressure of carbon dioxide) 40 mm Hg pO2 (partial pressure of oxygen) 90 - 100 mm Hg Hemoglobin - O2 saturation 94 - 100 % [HCO3-] 24 meq / liter Vignette #1: A 14-year-old girl with cystic fibrosis has complained of an increased cough productive of green sputum over
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Task 4 – The Maintenance of the Acid – Base balance in the body (D1) pH is measured based on its acidity and alkalinity. There are many substances around the body that have different pH values. A pH of 7 is usually considered neutral‚ neither acid nor alkaline‚ this is the pH of water. In the body the acids and bases need to be in very close balance‚ this is called ‘acid base homeostasis. If it goes off too far in either direction then it could be fatal to the body. For example in the body the blood
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Lab 5 Acid/Base Extractions Introduction The purpose of this experiment is to separate either the organic base (amine) or organic acid (carboxylic acid) from a mixture that contains inorganic impurities (salt) by performing a liquid-liquid extraction and then taking a melting point. Key Experimental Details and Observations Our starting material‚ Compound B‚ was a fine white powder and weighed 0.535g. The final product was a shiny white sheet that resembled acrylic paint and weighed 0.109g
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STEP 1: Create the Multifile Project and the Main (Base) Class Back to top Create a new project that consists of the base class BankAccount. The BankAccount class should contain‚ at minimum‚ the following members. It should contain data members to store a bank customer’s balance and account number. These should be of different and appropriate data types. It should have function members that do the following: set the account number; return the account number;
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Chem 253 Lab 1: Acid/Base Properties of an Antimicrobial Agent 09/03/13 Purpose The purpose was to determine the acid and base properties of the antimicrobial agent sodium benzoate. Theory Sodium has mainly been used in food processing to avoid growth of bacteria and harmful microorganisms. It is commonly used to preserve foods and beverages that have an acidic pH. Rather than benzoic acid‚ sodium benzoate is used because it is generally soluble in most aqueous solutions but benzoic
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Acids and Bases Are Everywhere Every liquid you see will probably have either acidic or basic traits. Water (H2O) can be both an acid and a base‚ depending on how you look at it. It can be considered an acid in some reactions and a base in others. Water can even react with itself to form acids and bases. It happens in really small amounts‚ so it won’t change your experiments at all. It goes like this: 2H2O --> H2O + H+ + OH- --> H3O+ + OH- See how the hydrogen ion was transferred? Most of the
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Structural and electronic effects Acids and Bases Acknowledgement Some material have been sourced from the following websites and books Reference • http://facstaff.gpc.edu/~matteya/organicppt/Ch2.ppt • http://atom.chem.wwu.edu/dept/facstaff/pavia/351pavia.html • www.fccj.us/chem1212/powerpoint/Ch17_Lewis_B.ppt • CH102 Course book • Organic Chemistry 7th Edition by John McMurry 2 Acids & Base Definitions Definition #3 – Lewis • Lewis acid - a substance that accepts an electron pair • All BrØnsted-Lowry
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1. A Phosphate‚ Deoxyribose sugar‚ and Nitrogen-containing base B. Deoxyribose sugar is the sugar found in the nucleotide. C. Nitrogen containing base/ the nitrogen base contains the nitrogen. D. The four nitrogen bases are Adenine‚ Thymine‚ Guanine and Cytosine. 2. B. Nitrogen bases‚ and hydrogen bonds make the "ladder". C. The phosphate and deoxyribose sugar makes up the backbone of the "ladder". D. They are anti-parallel because the both sides aren’t parallel. 4. Adenine is always attached
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