Marble Chip Investigation Method 1.Set up the equipment as diagram shows. The measuring cylinder must be filled with water and then inverted into the tub. 2.Measure the quantity of hydrochloric acid and marble chips to the decided amount. Add water to the acid to change the concentration to what you need. 3.Take note of the amount of water in the measuring cylinder. 4.Put the marble chips and hydrochloric acid into the conical flask. Replace the bung and start the stopwatch. 5.Once the decided
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Analysis of an Antacid In this lab report we will discuss the results of the ‘Determining the Most Effective Antacids’ lab. In this lab we tested different brands of antacids to find out which will be the most effective at neutralizing acids. We will test this by seeing how much drops of hydrochloric acid (HCl) are required to neutralize a certain amount of the antacid. Antacids are used to resist heartburn. We sometimes use them to treat this because antacids are a mild base that can neutralize
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POWDERED MARBLE AS ALTERNATIVE TO COMMERCIAL CERAMIC TILES Class Project in English 104 (Technical Writing) Abstract This study determined whether powdered marble can be used as substitute to ceramics in the manufacture of commercial tiles. It especially determined and compared the water absorption‚ crazing resistance‚ chemical resistance‚ and breaking strength of 59%-50% and 75%-25% powdered marble tiles‚ and the commercial ceramic tiles. The Static Group
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04 June 2013 Timpanogos Cave National Monument The Timpanogos Cave is one of the National Monuments of United States. The first person who was in there was Martin Hansen in 1887 but in those years this cave did not have the same name as today its first name was Hansen Cave. A cave is a place defined as “any natural cavity large enough to allow human entry” it means that when people is inside there they get strict instructions to protect the cave and to preserve it for the future‚ the people
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CaCO3 in eggshell 1 Candidate Name: Kamalia‚ Ujjwal Candidate Number: 001350-035 Teacher’s Instruction: Carry out an experiment to determine the %of CaCO3 in egg shell. Research Question: What percentage by mass of an egg shell is Calcium Carbonate ? Variables: 1. 2. 3. Principle used: The principle of back titration is used to determine the percentage by mass of an egg shell. Excess of in is added to a known mass of powdered egg shell. The solution formed is diluted
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neutralizes the acid. In this experiment the amount of acid neutralised by one tablet is found. This may be considered a direct measurement of the effectiveness of the tablet. Requirements for the experiment:-[pic] • Indigestion Tablets Calcium Carbonate (CaCO3) • Gas Jar • Clamp Stand • Hydrochloric Acid (HCL) solutions labelled 20‚ 30‚ 40‚ 50 60gdm-3 ( these can be 0.50‚ 0.75‚ 1.00‚ 1.25‚1.50 mol dm-3) • Trough or container • Measuring cylinder • Timer.
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The aim of the present study is to use detail diagnostic characters and instrumental validation for authentication of a traditionally important herbal drug known as “Vidari” in local Indian market. Vidari drug has four different botanical entities namely Pueraria tuberose DC (P.t) (family: Leguminosae)‚ Ipomoea mauritiana Jacq (I. m) (family: Convolvulaceae)‚ Adenia hondala de Wide (A. h) (family: Passifloraceae) and Cycas circinalis (C. c) Linn (family: Cycadaceae). In this study morphological
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DETERMINATION OF THE SOLUBILITY PRODUCT CONSTANT OF CALCIUM HYDROXIDE ABSTRACT This experiment aimed to determine the solubility product constant (Ksp) of Ca(OH)2 as well as to evaluate the effects of common and non-common ions on its solubility. Ca(OH)2 solids were dissolved in eight various media: distilled water‚ 1.0 M KCl‚ 0.5 M KCl‚ 0.1 M KCl‚ 0.05 M KCl‚ 0.005 M KCl‚ 0.001 M KCl‚ and 0.1 M Ca(NO3)2. The concentration of dissociated OH- concentrations was determined by means of titrimetric
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This essay will aim to discuss Calcium 47. calcium 47 is to explore bone metabolism problems or to diagnose calcium disorders. Another way it can be used is in the biomedical research of animals to study the cellular body function and the formation of bones in mammals. Calcium 47 is one of the most important segment on earth. Calcium 47 was discovered by Sir Humphry Davy in 1808.Sir Humphry Davy is a Cornish chemist and inventor also best known in these day’s for isolating a series of substances
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Experiment 10: Solubility Product for Calcium Hydroxide GOAL AND OVERVIEW A saturated solution of Ca(OH)2 will be made by reacting calcium metal with water‚ then filtering off the solids: Ca(s) + H2O → Ca(OH)2(s) Ca2+(aq) + 2OH-(aq) The concentration of dissolved hydroxide will be determined by acid-base titration with standardized HCl solution. The Ksp for Ca(OH)2 will be calculated from the experimentally determined saturation concentration of hydroxide. Objectives of the data analysis understand
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