Study of Solubility Equilibrium of Potassium Hydrogen Tartrate Wang Haina 1. Aim 1. To determine the solubility of potassium hydrogen tartrate (KHT) at various temperatures from 10°C to 50 °C‚ and determine the corresponding Ksp at these temperatures. 2. To obtain the changes in enthalpy and entropy of the dissolution of KHT from the dependence of Ksp on temperature. 2. Results and discussion 2.1 Collection of data A portion of KHT (1 to 1.5 g) was added into about 100 mL of deionised
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Alkali Metals Introduction Alkali metals refer to six elements belonging to the Group IA of the long form of the Modern Periodic Table‚ viz. Lithium (Li)‚ Sodium (Na)‚ Potassium (K)‚ Rubidium (Rb)‚ Cesium (Cs) and Francium (Fr). Fr is a radioactive element. These elements are called so because they form strongly alkaline oxides and hydroxides. Electronic Configuration of Alkali Metals Each of the alkali metals has one electron in their outermost (valence) shell‚ which is just outside an inert
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* Insoluble Salts: Ca(OH)2‚ CaCO3‚ CaSO4‚ Mg(OH)2‚ MgCO3‚ Ag2O‚ AgCl‚ Ag2S‚ CuO‚ CuCO3‚ CuS‚ Zn(OH)2‚ ZnCO3‚ ZnS * Alums: [Al(OH2)6]2(SO4)3∙6H2O‚ Na[Al(OH2)6](SO4)2∙6H2O‚ K[Al(OH2)6](SO4)2∙6H2O‚ NH4[Al(OH2)6]2(SO4)2∙6H2O * Hydrated Ions: Na2CO3∙10H2O‚ Na2SO4∙10H2O‚ Ca(OH2)6Cl2‚ Mg(OH2)6Cl2‚ Mg(OH2)6(NO3)2‚ Mg(OH2)6SO4∙H2O‚ Al(OH2)6Cl3 * Note: Sample 9A is a guaranteed pure salt‚ unless it is an alum. Procedure of Analysis for Sample 9A/9B * Describe sample‚ noting color‚ shape
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ACKNOWLEDGEMENT At the very outset‚ I express my heart felt gratitude and ineptness to Mrs. Satinder Kaur‚ Principal‚ Govt. Vikram College of Commerce l‚ Patiala for granting me permission to work on project . I would like to take this opportunity to thank Mrs. Ritika who has been guiding force for my report on Investigation of foaming capacity of “INFORMATION TECNOLOGY FOR BUSINESS”. I am also thankful to my friend‚ for their support and encouragement in finding out the appropriate material for
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ABSTRACT: Two separate variables were hypothesized and tested within the confines of the experiment on their effects on the productivity of lactase enzyme. The measurement of light absorbance levels of different solutions based on both the concentration of o-nitrophenol (ONP) as well as the pH of the solution tested. To begin with‚ differing concentrations of ONP were tested to find the absorbance levels of ONP. Three different pH values‚ 5‚ 6‚ and 7‚ in solution‚ were tested over a period of 8
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environment that has high concentration of salt. Sodium chloride often is the dominant salt which present at a concentration of approximately 0.5M in seawater (Jefferies. 1981). There are also other salts such as Na2SO4‚ MgSO4‚ CaSO4‚ MgCl2‚ KCl‚ and Na2CO3 may also present in seawater (Jefferies. 1981). The aim of this paper is to investigate the ways of halophytes cope with saline environments which allows them to survive in it. Effects of saline environment According to Binzel (1988) (cited
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Richard Ortiz-Luis Sorenson‚ McClave 11 November 2012 Period 0 Examination of the Formation of Precipitates between Various Aqueous Solutions of Ionic Compounds 11/12/12 Background Information: A double replacement reaction is a chemical reaction that usually takes place between two aqueous ionic compounds. In the reaction‚ the cation of one compound replaces the other compound’s cation that yields two produce two new and different compounds. A precipitation reaction is a chemical reaction
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Synthesis Procedure 1 -1.0 Introduction A Cobalt-Amine-Halide compound is synthesized from cobalt (II) chloride hexahydrate. An orange-tinted solid is produced and is considered to be unknown since the specific ligand amounts are unknown. By determining the percent composition of various elements and compounds in the unknown‚ its true identity can be predicted. Chloride‚ ammonia‚ and cobalt are three examples of percent compositions determined to help narrow the selection of possible unknowns
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. AIM :. To Determine which Antacid could Neutralize the most Stomach Acid. (Chemistry Project) Project Prepared By: Name Class- Roll no. INDEX page no. Objective 3 Introduction 3 Acids 4 Stomach Acid
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NaOH with the same reactants used before again. Some precipitates should forms ‚record the observations in Table 1. At last‚ identify those two unknown solution. Part II- Qualitative Analysis of Selected Anions First mix 1M HNO3 with each Na2CO3‚ Na2SO4‚ NaCl and NaI together. Repeat these steps by placing 0.1M Ba(NO3)2 instead of 1M HNO3. Then mix 1M HNO3 for the reactants that formed precipitates. Repeat the first step by placing 0.1M AgNO3 instead of 1M HNO3. Then add 6M NH3 to those
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