PPT-Dissolving

If you stir sugar into a cup of tea or coffee the crystals disappear they dissolve The water is called the  solvent  and the mixture is called a  solution The sweeter the taste the more sugar has . jocprcom 163 Fast Dissolving Tablet An Overview Debjit Bhowmik ChiranjibB Krishnak anth Pankaj RMargret Chandira Rajeev Gandhi college of Pharmacy Nautanwa Maharajganj Uttar Pradesh Abstract Fast dissolving Tablets are disintegrating andor d issolv Solid eg salt Liquid eg water 1 Draw a diagram of a solid dissolved in a liquid Use one colour for the solid and another for the liquid particles 2 What happens to the solid particles when the solid dissolves This means that the change can be reversed A new material is not formed as it is in a chemical reaction Mixtures can be made up of solid in solid muesli gas in solid pumice stone solid in gas smoke gas in gas air mostly made up of nitrogen and oxyg Thre e factors affect the rate of dissolving 1 Temperature as the particles in the solvent and solute speed up they mix together faster 2 Agitation stirring or shaking the solution removes the solvent that has already dissolved pieces of the solute Step 1(a)When baking soda dissolves in water, the temperature of the solution decreases approximately(b)It would be impossible to determine the effect of different quantities of solid if the amount of Andrew Scholbrock, Greg Kana, Jared Hansford, Kyle Manhart, Matthew Campbell University of Colorado at Boulder April 29 th , 2011 For the third team project assignment the goal for the group was to Sink. Float. Dissolve. 1 Aqueous SolutionsWater is the dissolving Some Properties of WaterWater is Dissolving Compounds. For . a substance to dissolve, . solute-solvent . attractions must overcome the . attractions . within both solute and solvent. . Example: In order to dissolve, ionic bonds must be broken by water. . Enthalpy. Enthalpy (H)is the total amount of energy contained within a substance. Included all forms of energy, kinetic, potential…. Very difficult to measure all forms of energy within a substance, therefore a change in enthalpies is measured whenever a change occurs.. CHE High Speed Dissolving of Viscosity Index Improvers in Luboils MICALS Liquid PolymerThis is the most expensive form of polymer.Polymer is predispersed into base oil in bulk by the polymer supplier, Matter as Solutions, Acids and Bases. Dilution. Chemistry 20. Dilution . A . standard solution. is any solution whose concentration is accurately known. .. Dilution. involves the addition of solvent to a solution in order to decrease its concentration. Section 6.2. Objectives. Describe how a substance dissolves in terms of its solubility, molecular motion, and solute-solvent interactions.. Identify several factors that affect the rate at which a substance dissolves.. What does “dissolve” mean? . What . kinds of things dissolve?. What do things dissolve in? . Dissolve. Dissolve. : . to make a solution of a substance by mixing with a . liquid. Example: to dissolve salt in water.