"Molar hydrochloric acid" Essays and Research Papers

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    Equilibrium Lab

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    solution with some excess solid is obtained. Filter the solution into a second test tube. To this saturated solution of NaCl‚ add some Cl- ions in the form of concentrated HCl. Record and explain the results. 2. An Acid-Base Indicator Equilibrium Acid-base indicators are large organic molecules that can gain and lose hydrogen ions to form substances that have different colors. The reaction of the indicator bromthymol blue can be illustrated as follows: HIn(aq) (( H+(aq) + In-(aq)

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    Synthesis of Safrole

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    A Synthesis of Safrole and o-Safrole W.H. Perkin & V.M. Trikojus J. Chem. Soc. 1663 (1927) HTML by Rhodium No direct synthesis of safrole has been recorded‚ the most recent attempt being that of Baker and Robinson (JCS‚ 1925‚ 127‚ 1424)‚ who distilled the product of the action of silver oxide and water upon gamma-piperonylpropyltrimethylammonium iodide‚ but obtained isosafrole‚ the double bond moving into the position of greater stability. Kawai (Sci. Papers Inst. Phys. Chem. Res.‚ 1925‚ 3‚ 263)

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    Lab Report

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    moles of Cu and Cl in the reaction. • Calculate the empirical formula of the copper chloride compound.  Material: • crucible with cover • unknown solid copper chloride hydrate • crucible tongs • aluminum wire‚ 20 gauge • spatula • 6 M hydrochloric acid‚ HCl‚ solution • ring stand‚ ring‚ and clay triangle • 95% ethanol solution • lab burner • distilled water • 50 mL beaker • wash bottle • Büchner funnel and filter flask • balance • filter paper to fit Büchner funnel • glass stirring rod

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    Mark Scheme

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    p IB DIPLOMA PROGRAMME PROGRAMME DU DIPLÔME DU BI PROGRAMA DEL DIPLOMA DEL BI Chemistry Higher level and standard level Specimen paper 1s‚ 2s and 3s For first examinations in 2009 CONTENTS Chemistry higher level paper 1 specimen paper Chemistry higher level paper 1 specimen markscheme Chemistry higher level paper 2 specimen paper Chemistry higher level paper 2 specimen markscheme Chemistry higher level paper 3 specimen paper Chemistry higher level paper 3 specimen markscheme

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    Electrolysis

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    Electrolysis Electrolysis is the process by which ionic substances are broken down into simpler substances using electricity. During electrolysis‚ metals and gases may form at the electrodes. What is electrolysis? Ionic substances contain charged particles called ions. For example‚ lead bromide contains positively charged lead ions and negatively charged bromide ions. Electrolysis is the process by which ionic substances are decomposed (broken down) into simpler substances when an electric

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    Lab Report

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    3. Collect all materials needed for a procedure before proceeding. 4. Perform reactions under the hood when directed. Chemicals may be weighed and prepared at balance or lab tables‚ but tests should be carried out under the hood. 5.Acids and caustic chemicals are stored in the hood. Please do not take these chemicals from the hood. Procedure: PART 1: Metathetical reactions Precipitation reactions A1. Add a dropperful of 0.1 M sodium carbonate in a test tube of 0.1 M calcium

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    Report

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    EXPERIMENT-1 CHEMICAL REACTIONS AIM: To perform and observe the following reactions and classify them into: (i) Combination reaction (action of water on quick lime) (ii) Decomposition reaction (action of heat on ferrous sulphate crystals) (iii) Displacement reaction (iron nails kept in copper sulphate solution) (vi)Double decomposition reaction (reaction between sodium sulphate and barium chloride) APPARATUS REQUIRED: 1. A rack of at least six clean test tubes and a boiling

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    Milk of Magnesia

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    Phillips’ Milk of Magnesia Our stomach acid is a mixture of different compounds that assist in the breakdown of foods that we ingest. One of the major components is hydrochloric acid (HCl(aq)). We need this acid to help digest our food and kill bacteria that may enter the stomach along with the food. In the absence of food there is an excess amount of acid in our stomachs. This excessive acid production results in the unpleasant symptoms of heartburn and may contribute to the formation of ulcers

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    had been dissolved in the solvent. In this experiment we also used a chemical method known as extraction. This process of separation is used when only one component of the mixture is soluble in a specific solvent. In our case we had to use hydrochloric acid (HCl).Extractions‚ is a way to separate a desired substance when it is mixed with others. The mixture is brought into contact with a solvent in which the substance of interest is soluble‚ but the other substances present are insoluble. And below

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    Cobalt Complexes

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    Cobalt Complexes Lab 4 Cobalt and its slew of complex children Abstract: Through a series of substitution reactions‚ different cobalt ammine complexes were created. These complexes were analyzed via‚ precipitation and gravimetric measures to determine that the substitution reactions that occurred. Introduction: Coordination chemistry is an important part of inorganic chemistry that involves the association and dissociation of ligands to a metal. The size‚ shape

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