PPT-Working with Phases and Properties of Substances

Chapter 3 PvT diagram Pt diagram phase diagram Pv diagram Tv diagram Compressed and saturated liquids Compressed Liquid Water stays in the liquid form because it is being compressed The atmosphere compresses it and without it it would all evaporate Without adding any heat. Stephanie Moses. Phases of the moon. *Note: There is only one moon. This is a composite picture of different days!. Moon Stats. Orbital period: 27.3 days. Revolution: 29.5 days. Distance from Earth: 384,400 km. 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. Eric K. Zenner. 1. , Martina L. Hobi. 2. , Brigitte Commarmot. 2. 1. Penn State University, Univ. Park, PA, USA. 2. Swiss . Federal Institute for Forest, Snow and Landscape Research WSL. Birmensdorf. *Phase: the change in the sunlit area of one celestial body as seen from another celestial body. *Waxing: appears to get bigger. *Waning: appears to get smaller. *Crescent: thin c-shape. *Gibbous: almost full circle. 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. Grade 5 Quarter 1 Topic 4 . Mixtures . and Solutions. Mary . Tweedy, Curriculum Support . Specialist. . Keisha Kidd, . Curriculum Support Specialist. Dr. . Millard . Lightburn. th. Grade Science. What are “Substances”? . Substances can be identified as either…. Elements. Compounds. Mixtures. So, what is a substance?. A substance cannot be further broken down or . p. urified by physical means.. Science . Fifth Grade. Mr. Pate. Standards. S5P2. . Students will explain the difference between a physical change and a chemical change. . a. Investigate physical changes by separating mixtures and manipulating (cutting, . Physical & Chemical Changes. © 2013 Michelle Brosseau, Mrs. Brosseau’s Binder. Matter is anything that has . mass. . and takes up . space. .. Chemistry is the study of matter and the changes it undergoes. . Describing Matter. Extensive Properties: depend on amount of matter in a sample. Mass: amount of matter. Volume: space occupied. Intensive Properties: depend on type of matter, not amount. Density: mass/volume. 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 By James C. Alderson, DVM. University Veterinarian. Cal Poly Pomona. Version: 11 March 2013. What are Controlled Substances?. Controlled substances are drugs which are regulated by federal and state law. The production, possession, importation, and distribution of these drugs is strictly regulated or outlawed, although many may be dispensed by prescription only. . Lecture 5. Chapter . 3. Thermodynamics of multi-component systems. The real world is complicated. Our attempt to estimate the plagioclase-spinel phase boundary failed because we assumed the . phases. Keywords. :. DATE. Learning Objectives. Recognise the difference between materials, substances and . elements . Identify . elements by their names and . symbols. Explain . what is meant by a chemically pure substance.