PPT-Mixtures and Solutions

Showdown Name the two parts of a solution Solute solid and solvent liquid In the salt layering lab the yellow salt solution floated on top of the blue solution because the blue solution was than the yellow solution. Investigation 1. Separating Mixtures. Part 1 – Making & Separating Mixtures. Vocabulary. Mixture. – a substance containing two or more materials with different properties.. Property. – a characteristic of an object (something you can observe). what is . homegeneous. ?. What is solute ?. Uniformly mixed – only see one layer. substance that dissolve in a solvent. What is solvent?. Is a substance that dissolves the solute. What is solution ?. Chapter 2. Bamboo has properties that make it a good choice for use in chopsticks. It has no noticeable odor or taste. It is hard, yet easy to split, and it is heat resistant. You will learn how properties can be used to classify and identify matter.. August 31. How do you separate?. How can you separate mixtures?. Separating. Separating is based on the difference in . physical properties . of the substances…. Think about how you would separate a bag of m&ms. Mixtures. Solutions are a type of mixture, so to understand solutions, first we have to know what a mixture is…. A . mixture. is a combination of two or more substances. Each substance keeps it’s own properties, even though it is mixed with another substance. They . Chemical . Mixtures. Thomas Backhaus. University of Gothenburg. thomas.backhaus@dpes.gu.se. Chemical Mixtures. Mixtures of toxic chemicals. Aquatic Ecosystems. Ecotoxicology. Focus. PREDICT. BEAM. ACE. Divisions of Matter. Pure Substance. Cannot be broken down and retain its properties.. Has a fixed composition.. Every sample of a pure substance has EXACTLY the same composition AND exactly the same characteristics - homogeneous. What formulators need to know. Purpose of this presentation. This presentation, with notes, was prepared by ECHA, the European Chemicals Agency, to assist you in preparing a presentation about REACH and CLP relating to downstream users. The intention is that you can select relevant slides and modify them as necessary to suit your audience, whether it is management, workers, environmental health and safety professionals, authorities etc. You may use it without additional permission.. Grade 5 Quarter 1 Topic 4 . Mixtures . and Solutions. Mary . Tweedy, Curriculum Support . Specialist. . Keisha Kidd, . Curriculum Support Specialist. Dr. . Millard . Lightburn. Boiling point and melting Point -. What state would this element be in at room temperature?. BP = 150. o. C, MP = -23. o. C. Core practical: chromatography - . a. nnotate the chromatogram with everything you can tell from it (including . Pure Substances. A sample of matter that has definite chemical and physical properties.. Elements. Atoms. Compounds. Molecules. Elements. pure substance that cannot be separated into simpler substance by physical or chemical means. . If a material is pure, it consists of only a single element or compound. If the material is impure, then it is a mixture or contains two or more elements or compounds. Do not be fooled by labels that claim their product is pure… “pure 100% orange juice”. UEQ: How does the structure of matter influence its physical and chemical behavior?. LEQ: How is matter classified?. Bell Work 09/19/2012. Write question and answer.. Can you chemically break down an atom? Why or why not? . the . EM Algorithm. CSE . 6363 – Machine Learning. Vassilis. . Athitsos. Computer Science and Engineering Department. University of Texas at . Arlington. 1. Gaussians. A popular way to estimate . probability density .