Since an acid + carbonate Salt + water + Carbon Dioxide‚ and lime water (Calcium Hydroxide) precipitates to Calcium carbonate when exposed to CO2‚ then if the unknown substance is placed in Hydrochloric acid and the captured gas causes precipitation (precipitation in ionic compounds generally form if the opposite charged
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Ocean acidification is the continuous reduction of the ocean’s pH‚ carbonate ion concentration‚ and saturation states of biological calcium carbonate minerals. Ocean acidification is caused by the uptake of carbon dioxide from the atmosphere. According to “Ocean Acidification: The Other CO2 Problem‚” after the industrial revolution‚ carbon dioxide levels in the atmosphere has increased nearly 40%‚ primarily due to the burning of fossil fuels and deforestation (Doney S. 2009). The increase of
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Mussels B. Related Studies 1. Characterization of Calcium Carbonate Obtained from Oyster and Mussel Shells and Incorporation in Polypropylene a. calcium carbonate in mussel and oyster shells used in the formulation of medicine‚ in construction or as filler in polymer materials b. calcium carbonate from mussel and oyster shells and used as filler in polypropylene compared their properties with polypropylene and commercial calcium carbonate composites. C. Info Sources III. Methodology
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laboratory work: 10/9/2012 5:00-7:45 Date of report written: 10/15/2012 Introduction: The purpose is to isolate caffeine from coffee by using the organic solvent dichloromethane (CH2Cl2) that is also referred to as direct contact. Calcium carbonate (CaCO3) is used to remove the tannins from the coffee. Afterwards an extraction is used to separate the organic layer (bottom) from the aqueous layer (upper). By using a rotary evaporator‚ it evaporates the organic solvent and forms the crude
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iscussion The results and calculations shows that 1 tablet of Quick-eze is most effective in neutralizing the stomach because the number of moles of HCl reacted with the NaOH is 0.00216 moles‚ which is less than Gaviscon. The number of moles of NaOH that were added from the burette is 0.00327 moles (1 tablet of Gaviscon). However‚ for Quick-eze‚ the number of moles is 0.00216 moles (1 tablet). This means the average volume of the NaOH have affected the number of moles as the concentration of the
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oil – for skin inflammation to left leg (for a week) Past History: Smokes ½ a pack of cigarettes per day (since she was a teenager) Weight: 70 kg Height: 150 cm DOCTOR’S ORDER: Medications: Ancef 750 mg IV q12h Elavil 50 mg po qhs Calcium Carbonate 1000 mg po once daily Vit D 1000 units po once daily Actonel 35 mg/week po Vagifem 10mcg tablet into the vagina qhs Imitrex 75 mg po q4h prn for a maximum of 2 doses daily Metformin 750 mg po TID with meals Buffered Aspirin 650 mg po q6h
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This page intentionally left blank Copyright © 2008‚ New Age International (P) Ltd.‚ Publishers Published by New Age International (P) Ltd.‚ Publishers All rights reserved. No part of this ebook may be reproduced in any form‚ by photostat‚ microfilm‚ xerography‚ or any other means‚ or incorporated into any information retrieval system‚ electronic or mechanical‚ without the written permission of the publisher. All inquiries should be emailed to rights@newagepublishers.com ISBN (13) : 978-81-224-2652-6
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and detrimentally altered. In a process called ocean acidification‚ chemical reactions between absorbed carbon dioxide and H2O occur that reduce the pH of seawater‚ as well as decrease carbonate ion concentration and saturation states of calcium carbonate minerals (“Ocean Acidification‚” PMEL). This calcium carbonate is necessary for the formation of skeletons and shells of many marine organisms. Therefore‚ acidification is damaging‚ and likely killing‚ large amounts of sea life (Horsey‚ 2012). The
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From the results that have been gathered‚ it tells a variety of different things. Each temperature attempt was done three times to be accurate. First of all‚ the hypothesis (the higher the temperature the faster the reaction will occur) has been proven correct and it proves the theory right. From the results‚ we can see this‚ as the iced water (10 degrees) had the slowest rate of reaction at 1.10 minutes. Then the room temperature water (19 degrees) was tested and had a slightly better rate of reaction
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Kassandra Coan Why put lime in a pond? Honors Activity 5.4 Lime is a commercial name for calcium oxide (CaO). When carbon dioxide (Co2) is removed from limestone‚ coral‚ seashells‚ or chalk they become lime. This product is easily accessible‚ because an abundance of limestone in found in the crust of the earth‚ and the Co2 is removed simply by heating the limestone. See formula below: 500-600
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