"Concentration of hydrochloric acid on indigestion tablets" Essays and Research Papers

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    Commercial Antacid Tablets Hydrochloric acid (HCl) is one of the substances found in gastric juices secreted by the lining of the stomach. HCl is needed by the enzyme pepsin to catalyze the digestion of proteins in the food we eat. Heartburn is a symptom that results when the stomach produces too much acid (hyperacidity). Antacids are bases used to neutralize the acid that causes heartburn. Despite the many commercial brand‚ almost all antacids act on excess stomach acid by neutralizing it with

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    (Microsoft tablet pc) ------------------------------------------------- History In 2002‚ original equipment manufacturers released the first tablet PCs designed to the Microsoft Tablet PC specification. This generation of Microsoft Tablet PCs were designed to run Windows XP Tablet PC Edition‚ the Tablet PC version of Windows XP.[3] This version of Microsoft Windows superseded Microsoft’s earlier pen computing operating environment‚ Windows for Pen Computing 2.0. After releasing Windows XP Tablet PC Edition

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    FOM Group Work Educational Tablet Research Psychographic Segmentation Lifestyles: Activities and interests Activities: many students from all over the world as well as educational bodies descend upon the International Consumer Electronics Show(CES) every year to find out what the brand new technology is about to hit the streets. They do this as it enhances the possibilities for what can be made possible for the classroom. There are things such as the Oculus Rift which is a virtual reality headset

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    STANDARDIATION OF ACID AND BASE Eunice Ivy B. Gamboa ABSTRACT Solutions of known concentration are prepared by dissolving measured masses of standard acids in distilled water. The concentrations of unknown solutions of sodium hydroxide are determined by titration. An acid solution reacts with a base solution in a "neutralization" reaction. Titrations permit the concentrations of unknown acids/bases to be determined with a high degree of accuracy. In order to analyze unknown acids/bases‚ we must have

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    Chemistry Acid and Base

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    Aqueous Acid/Base Chemistry Resources: Harris ‘Quantitative Chemical Analysis’ Review: Pure water has a pH = 7 Autodissociation: H2O (( H3O+ + OH- K = [H3O+][OH-]/[H2O] -log[H3O+] = 7 [H3O+] = 10-7 M = [OH-] [H2O] = 55.56 M K = 1.8 x 10-16 ; pKa = 15.74 pKa is the acid dissociation constant; low pKa (strong acid‚ high pKa (weak acid we can also write Kw = [H3O+][OH-] Kw = 10-14 In water‚ pH + pOH = 14 pH scale Strong

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    COMMERCIAL (CENOVIS) TABLET ABSTRACT In this experiment‚ the vitamin C content of a commercial tablet is determined and compared with the manufacturers’ specification. Vitamin C is water-soluble and is an enantiomer of ascorbic acid. (Commercial vitamin C is often a mixture of ascorbic acid and other ascorbates.) Ascorbic acid‚ C6H8O6‚ is a reducing agent that reacts rapidly with iodine (I2). As the iodine is added during the titration‚ the ascorbic acid is oxidized to dehydroascorbic acid‚ while the iodine

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    Ridder Student number: R0141223 Module: Marketing Fundamentals The tablet market: External analysis of the micro-environment The global tablet PC market continues to grow with shipments reaching 53.8 million units in the third quarter of 2014. The rise in shipment from 48.3 million units in the third quarter of 2013 to 53.8 million units in the third quarter of 2014 can be attributed to the growing demand from costumers as the tablet industry offers the costumer a smaller sized device with a better

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    way. Mobiles can surely prove their use for education possibly be seen largely used in the world. Tablets are the new devices introduced to man. They have a large flexibility of use and presently are being used by a number of people for various types of functions. Educating students is the one place they are being used. Their flexibility of use with new emerging applications for them allows tablets to be used for educational purposes. INTRODUCTION Mobiles have immensely changed

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    Ipad vs. Galaxy Tablet

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    phones? Nowadays‚ many people have smart phones and laptops. However‚ we now also have access to tablets. So now we will compare two of the newest most commonly used tablets. One is the new iPad‚ manufactures by Apple‚ and the other is the Galaxy tablet note 10.1‚ by Samsung. The tablets are quite expensive‚ the iPad is however priced at $629 and the galaxy note is $499. Both are high-resolution tablets. One can get normal usage out of the two if the batteries are fully charged. The main difference

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    Tablet PCS and the Decline of the Laptop Abstract On September 8‚ 2011‚ Gartner‚ Inc. lowered its forecast for personal computers for the remainder of 2011 and 2012. Based on the recent surge of tablet PCs‚ personal laptops are experiencing a decline as consumers hold onto their laptops longer or replace them completely with tablets. Increased mobility and a need for social media may be two of the forces driving consumers to choose tablets over laptops. This journal seeks to explain the

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