PPT-Dissolving Substances Activity Time!

Endo vs Exo Reaction INQUIRY Solution Process Model Solute particle separate endo Solvent particles separate endo Solute and Solvent particles combine exo Electrolytes Electrolytes conduct electricity. Water. Air. & Soil. Chapter 3.1:. Transport of Substances in Air. Release. of the chemical at the source. Dispersion. of the chemical in the atmosphere (scatter in various directions). Deposition. 1. There will be 3-4 members in each group.. 2. Each person will measure one (1) substance in preparation for the lab. . Using a . digital balance. , measure the following substances: . 10 grams (g) . 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. . Types of Separation. Mechanical Means of Separation. Density Separation. Centrifugation. Non-Mechanical Means of Separation. Chromatography. Distillation. Froth Flotation. 2.3 Separating the Substances in a Mixture. Pure substances cannot be broken down by physical means.. Pure substances . contain . only one kind of molecule.. Molecules are small groups of atoms that make up matter. Example: Water is a molecule of two hydrogen atoms, and one oxygen atom. How can matter be classified?. Atoms . are the smallest unit of an element that maintains the properties of that element.. The most basic ingredients to . all . matter. Atoms can be combined in three majors ways:. Inventory . Notification Overview (INO). Disclaimer: This . document is provided by IAEG for informational purposes only, and IAEG makes no representations or warranties about this document or its contents. Determination of whether and/or how to use all or any portion of this document is to be made in your sole and absolute discretion. No part of this document constitutes legal advice. Prior to using this document, you should review it, along with applicable laws and regulations, with your own legal counsel. Use of this document is voluntary.. Fay Watson, Secretary General, EURAD. Summary. About Us. Psychoactive Substances: Issues For Policy Makers. An update on draft EU legislation on new psychoactive substances. About Us. We are the only EU network advocating for prevention and rehabilitation focused drug policies . gustation. : . refers to sensations produced when substances dissolved in saliva stimulate taste receptors on the tongue and in the mouth. . Flavor:. includes smell, texture, temperature, and consistency (not just taste).. DRUG ABUSE. What are Psychoactive . Substances ?. These are substances which changes the way in which a person feels, thinks or . behaves AFTER consuming them.. These Psychoactive substances do not always lead to addiction.. The family tree of per- and polyfluoroalkyl substances PFAS for environmental health professionalsNames and abbreviationsThis fact sheet tells you about chemical names within the family of per- and po WWWPHMSADOTGOVThis guidance does not have the force and effect of law and is not meant to bind the regulated entities in any wayCLASSIFICATION SCENARIO14143The Pipeline and Hazardous Materials Safety Purity, formulations and chromatography. Chromatography. Can be used to separate mixtures and help. identify substances.. Involves a mobile phase. (e.g. water or ethanol) and a stationary phase (e.g. chromatography paper). . 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.