"Caco3 hcl" Essays and Research Papers

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    General Science Questions and Answers No. Question Answer 1 The theory of relativity was propounded by Albert Einstein 2 The principal metal used in manufacturing steel is Iron 3 An altimeter is used for measuring Altitude 4 Oology is the study of Bird Eggs 5 Radioactivity was discovered by Henry Bacquerel 6 The metal used in storage batteries is Lead 7 The instrument used to measure the relative humidity of air is Hygrometer 8 Barometer was invented by Torricelli 9 The unit of power is Watt 10

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    _____________________________________________ Project 3: Identifying the Unknown White Compound by Testing Physical and Chemical Properties _____________________________________________ Michigan State University Chemistry Lab 161 Section 27 19 October 2017 Friday 11:00-1:50 Introduction For this experiment‚ there was an unknown white compound that had to be identified. By testing this compound for different properties it made making an educated guess easier to determine

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    Chemical Periodicity

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    reactions belonging to group IA‚ IIA‚ and IVA. Proper procedures and observations were done to determine the solubility‚ physical state‚ color‚ and appearance of the compounds namely Li2CO3‚ Na2CO3‚ K2CO3‚ CaCO3‚ and BaCO3. The results shows that Li2CO3‚ Na2CO3‚ K2CO3 were soluble in water‚ while MgCO3‚ CaCO3‚and BaCO3 were not soluble. All of these compounds were color white‚ they are in solid form‚ and their appearance were powder like. The sample from Group IVA Elements ( C‚ Sn‚ Si‚ and Pb) were also

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    When analysing the graph‚ you can see that there is a relation between the rate of reaction and the surface area. The larger the surface are‚ the faster the rate of reaction seems to be. However‚ although the grain with the largest surface area (the smallest grain) reached the highest point within the shortest amount of time‚ its end result was still lower then the medium sized grain. The explanation for this result is relatively easy. The rate of a chemical reaction can be increased by increasing

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    Hardness of Water

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    Experiment 05 Water Hardness October 8th‚ 2013 The hardness of water was determined using the methods of titration‚ conductivity‚ and pH analysis. The mean and uncertainty of CaCO3 is 134±36.0 ppm. An error that could have potentially happened could be that the equivalence point was not correctly established causing inaccurate data. BACKGROUND: 1In hard water there is a high amount of mineral content present in the water. Most of the mineral content that is present

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    nothing

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    the elements having similar properties placed in vertical columns is known as periodic table. MATERIALS/REAGENTS AND EXPERIMENTAL PROCEDURE  For the Group IA & IIA Elements‚ each small amount samples ofLi2CO3‚ Na2CO3‚ K2CO3‚ MgCO3‚ CaCO3 and BaCO3 was place in the different test tubes. After placing them in the test tubes‚ we identified the physical state‚ color‚ and appearance of each. Then we test the solubility of each sample by using water. For the Group IVA Element‚ each small

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    Metallurgy: Oxygen and Ore

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    Extractive Metallurgy Minerals are naturally occurring chemical substances in the earth’s crust obtainable by mining. Out of many minerals in which a metal may be found‚ only a few are viable to be used as sources of that metal. Such minerals are known as ores. Examples: Galena‚ PbS‚ etc. It is usually contaminated with earthly or undesired materials known as gangue. The extraction and isolation of metals from ores involve the following major steps: • Concentration of the ore‚ • Isolation of the

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    different concentrations of acid are used. Below is the word equation for this reaction: Calcium Carbonate + Hydrochloric Acid = Calcium Chloride + Carbon Dioxide + Water Below is the fully balanced chemical equation for this reaction. CaCo3 + HCl  CaCl2 + CO2 + H2O Aim The aim of this investigation is to find out whether the concentration of the acid affects the rate of reaction between the acid and marble chips. Prediction I predict that‚ as the concentration of acid in

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    Water Quality

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    | Non-carbonate hardness | | | | | 1.3 Measurement of ALKALINITY and HARDNESS A. mg/L unit mgL = SUBSTANCEMEDIUM 1PART1‚000‚000 = Water density‚ ρ = B. meq/L unit C. mg/L as CaCO3 mg/L as CaCO3 = Equaivalent mass for CaCO3 = EXAMPLE 1: EXAMPLE 2: refer Example 2-5 (pg 30) EXERCISE: refer pg 57-60(2-14‚ 2-18‚ 2-19‚ 2-20‚ 2-21‚2-27‚ 2-34) 1.4 Biological Parameter * Micro-organisms that bring diseases are

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    Lab 3 no name

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    Lab #3: Stoichiometry of a Precipitation Reaction October 14‚ 2014 Abstract: The purpose of the lab‚ Stoichiometry of a Precipitation Reaction‚ is to be able to calculate the amount of a second reactant we need to react with the reactant one. You must calculate the amount of the second reactant using stoichiometry to figure out what amount is needed. After the amount is calculated‚ you then can add it to the first reactant and it will give you a full reaction. To figure out what you

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