"Solubility lab" Essays and Research Papers

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    Insolubility Lab

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    Introduction: The importance of this lab is to get a deeper understanding of how the concepts of solutions and insolubility applies to the lab’s purpose of making chalk using precipitation reactions. A precipitation reaction is when a solid/ precipitate (insoluble) is formed when two solutions that contain soluble salts are combined. Some additional scientific concepts investigated in this lab are insolubility‚ double replacement‚ and limiting reactants. Insolubility occurs when a solute is incapable

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    Exothermic Reaction Lab

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    Principle predicts that the system would shift towards the product’s side in order to alleviate this stress. By shifting towards the product’s side‚ more of the solid is dissociated when equilibrium is again established - which equates to increased solubility. Second‚ imagine an exothermic reaction (heat is on the products side where the dissociated ions from the solid are). Increasing the temperature would result in stress on the products side from the additional heat. Le Châtelier’s Principle predicts

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    balance lab

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    Ashley Huston ILab‚ Week #2 CATIONS AND ANION LAB Introduction The purpose of this lab is to demonstrate a double-replacement reaction of ionic compounds. In this experiment‚ you will combine two ionic compounds. Both compounds are soluble in water. If a response happens between these two compounds‚ then a precipitate will form because one of the two resultant compounds is not soluble in water. This is a hint that a reaction took place. Cations are positively charged ions that are attracted

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    Lab Report on Solubility

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    separated by physical means‚ and consequently‚ the components underwent physical changes. A physical change is a change‚ such as a phase change‚ that occurs with no change in chemical composition.1 The main concept being applied and studied in this lab was the separation of components of mixtures by physical means‚

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    Osmolality Lab

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    The purpose of this lab was to determine the concentration of NaCl or sodium chloride that is isotonic to elodea cells. First off‚ what is osmosis? Osmosis is this huge net of molecules moving through semi-permeable membrane to high concentration to direction where everything becomes balanced. This brings us to what osmolality is. Osmolality is related to osmosis and we know that osmosis has something to do with water so that being said‚ osmolality is number of osmoles of solute per liter in solution

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    lab 9 Rose

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    CHM130 Lab 9 Chromatography Name: Karlee Rose A. Data Table (12 points) Paper # Color Source Solvent Distance Component Moves Distance Solvent Moves Rf value 1  Yellow  M&M Candies  0.1% Salt Solution 28.88mm 42mm  0.69 2  Yellow  Reese’s Pieces  0.1% Salt Solution 16.95mm 32mm 0.53 3  Purple  Grape Soda  0.1% Salt Solution 32.15mm 51mm 0.63 4  Purple  Grape Koolaid  0.1% Salt Solution 12.12mm 31mm  0.39 5  Red  Easter Egg Dye  0.1% Salt Solution 1.18mm  7mm  0.17 6  Red  Dry Erase Marker

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    Lab Experiment

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    The purpose of this lab was to determine if a there is a change in mass when a gas is produced and determine if gas has mass. To conduct this experiment‚ the group must be careful not to let the Alka-Seltzer tablet get wet before the bottle is closed by wiping the lip of the bottle and the cap so it remains dry‚ or risk gas escaping into the air and not being captured by the bottle. Also‚ the group must be sure to close the bottle tightly with the cap‚ because gas may escape this way as well. During

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    Intermolecular forces – design lab Research question: To calculate the solubility of equal masses nitrates of four di-positive ions (Lead Nitrate‚ Barium Nitrate‚ Copper Nitrate & Ferrous Nitrate of 0.5 M concentration) in an equal volume of water and relate this to the ionic radius of the element and the molar mass of the nitrate chosen and hence comment on the intermolecular forces in each of these nitrates. + write mass Justification of the research question: I was particularly interested

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    Orgo1 Lab 1

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    Dina Karina Lab performed: 1/22/15 Chem 2203-012 Report due: 1/29/15 TA: Kavitha Akula Experiment 4A: Determination of a Partition Coefficient for Benzoic Acid in Methylene Chloride and Water‚ and Experiment 4B: Solvent Extraction I: Acid-Base Extraction Using the System Benzoic Acid‚ Methylene Chloride‚ and Sodium Bicarbonate Solution Objective The purpose of this experiment is to familiarize oneself with the general procedures determining a partition coefficient

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    Osmosis Lab

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    OSMOSIS LAB BACKGROUND INFORMATION. Dialysis tubing is being used to model a plasma membrane. Isotonic solutions are solutions that have the same concentration of solutes on both sides of the membrane. Hypertonic solutions are solutions that have more solute to the one with less solute. Hypotonic solution are solutions that have less solute to the one with more solute. RESEARCH QUESTION:which dialysis tubing will gain the distilled water and which one will loss its content

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