"Stoichiometry cucl2 na3po4" Essays and Research Papers

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    Chm1045

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    MAC1105 CO-REQUISITES: CHM1045L Upon successful completion of this course‚ the students should be able to demonstrate a familiarity with introductory material in general chemistry such as units for measurement‚ formula writing and nomenclature‚ stoichiometry‚ atomic structure‚ periodicity and bonding‚ terms and problem solving in the areas of changes of state‚ acid and base chemistry‚ ionic reactions‚ oxidation-reduction reactions‚ solutions and descriptive chemistry of selected non-metals. The students

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    Experiment

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    potassium iodide. The reaction will release iodine:Example: (a) With KMnO4 2MnO4- + 16H+ + 10I(b) With KIO3 IO3- + 5I+ 6H+ 3I2 + 3H2O 2Mn2+ + 5I2 + 8H2O The iodine that is released is titrated against a standard thiosulphate solution. From the stoichiometry of the reaction‚ the amount of iodine can be determined and from this‚ the concentration of the oxidising agent which released the iodine‚ can be calculated. In an iodometric titration‚ a starch solution is used as an indicator as it can absorb

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    Mummification Report

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    Report Introduction Mummification is an ancient Egyptian method which is a natural or deliberate process intended to dehydrate the body to preserve it. They done this because they believed that if a body was left to rot then it would destroy their soul‚ so they believed that the body needed to be intact to serve as host for the soul. So they preserved bodies so they could use them in the afterlife‚ where the Egyptians believed they would make a journey to another life. To start to mummify a body

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    Paranitrophenol Lab Report

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    Manufacture of Paracetamol Introduction Paracetamol‚ the most common medicine nowadays‚ has been used by people

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    12th Solid State Chem.

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    1 Class XII: Chemistry Chapter 1: The Solid State Concept 1. Solid: Solid is a state of matter in which the constituting particles are arranged very closely. The constituent particles can be atoms‚ molecules or ions. Properties of solids: a. They have definite mass‚ volume and shape. b. Intermolecular distances are short and hence the intermolecular forces are strong. c. Their constituent particles have fixed positions and can only oscillate about their mean positions. d. They are incompressible

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    Preparation of Alum

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    DEPARTMENT OF PURE AND APPLIED CHEMISTRY Visayas State University Visca‚ Baybay City‚ Leyte Name: Alecsa May S. Celaya BS-Chemistry 3 Date Submitted: December 19‚ 2014 Lab. Schedule: MW 2:00 – 5:00 pm Rating: Group No. 11 Experiment No. 5 Preparation of KAl(SO4)2•12H2O (Alum) OBJECTIVES This experiment aimed to: prepare KAl(SO4)2•12H2O‚ commonly referred to as alum‚ from aluminum metal from a canned soft drink‚ and determine the mass of the alum collected and its percent yield

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    Abstract Gold‚ silver‚ copper‚ lead‚ and mercury are some of the ancient elements. Hennig Brand discovered phosphorus the first element. After the discovery of phosphorus‚ many more elements were discovered. Johann Dobereiner discovered that elements could be grouped in three sets and proposed the Law of Triads. Later‚ A.E.Beguyer de Chancourtois arranged the elements according to their atomic mass and created the first geometrical representation of the periodic table. John Newlands proposed the

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    Acid-Base Lab

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    combined is the equivalence point. An example of this is shown in the equation: HCl(aq)+NaOH(aq)NaCl(aq)+H2O(l). The number of moles is given by knowing the exact concentration and volume added of the titrant. The latter‚ in turn‚ is related by stoichiometry to the number of moles of acid initially present in the unknown. To detect the equivalence point‚ indicators are usually added to acid-base titrations. The point at which the indicator changes color and signals the equivalence point has been reached

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    Lab Report Percent Yield

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    | Percent Yield Lab | | | | 4/20/2012 | Mrs.Sardella Per4 Matt ‚ Kait Mrs.Sardella Per4 Matt ‚ Kait | Introduction *Limiting Reactant: A reactant that is completely consumed during a chemical reaction‚ limiting the amount of product that is produced. *Excess Reactant: A reactant that remains after a reaction is over. *Theoretical Yield: The amount of product that is predicted by stoichiometric calculations *Actual Yield: The amount of product that is recovered

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    objective was to accurately and precisely convert the unknown sample containing the chloride analyte to another known solid‚ silver chloride. Once the mass of the known solid is measured‚ the percentage of chloride analyte can be calculated using stoichiometry. The chemical reaction occurring in this particular experiment involved the mixing of silver nitrate and the soluble salt in water containing nitric acid. Both reactants break into their ionic components allowing the silver ion and chloride ion

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