'Aluminum oxide' diaporamas de présentation

Unit D: Electrical Principles

Unit D: Electrical Principles. Topic 1: Transfer and Storage of Electrical Energy. I. Review. What is electricity?. Is the energy of charged particles. Is when electrons are moved. Remember: Electrons are the outer particle of an atom. I. Review.

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Today we will:

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CIRI-CIRI KOLOID LIAT & KOLOID ORGANIK TANAH

CIRI-CIRI KOLOID LIAT & KOLOID ORGANIK TANAH. SUMBER: myspace.aamu.edu/users/ monday.mbila / soils /SPS251Lecture07. ppt ?. SUMBER: myspace.aamu.edu/users/ monday.mbila / soils /SPS251Lecture07. ppt ?. Properties of Clay and Organic Colloids. Introduction Properties of Colloids

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Mole-Mass and Mole-Volume Relationships

Mole-Mass and Mole-Volume Relationships. The Mole-Mass Relationship. To convert the mass of a substance to the number of moles of the substance you have to use the molar mass of an element or compound. Mass = # of moles x (mass/1mole). The Mole-Mass Relationship.

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Introduction to Fuel Cells

Introduction to Fuel Cells. Hocking College Nelsonville Ohio July 24, 2007. Fuel Cells Generally Contain. Anode Anode Catalyst Cathode Cathode Catalyst Gas Diffusion Layer Electrolyte A load to complete the circuit Continuous feed of fuel Continuous feed of air or oxygen.

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Chapter 2 Section 2

Chapter 2 Section 2. Minerals. What is a mineral?. What are the components of a mineral? Naturally occurring Solid substance Inorganic Orderly crystalline structure Definite chemical composition Ex: Quartz ? SiO 2 (silicon & oxygen) ALL rocks are COMPOSED of minerals.

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Grinding

Grinding. Grinding is a process which utilizes the use of abrasive particles bounded together to produce superior surface finishing An abrasive: is a small, nonmetallic hard particle having sharp edges and an irregular shape. Types of Abrasives. Conventional Aluminum oxide Silicon carbide

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Ionic Nomenclature

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Solving Stoichiometry Problems

Mass-Mass Problems. Solving Stoichiometry Problems. Major categories of stoichiometry problems are: 1.) mass -mass problems 2.) mass- volume problems 3.) volume -volume problems. Types of Stoichiometry Problems. STOICHIOMETRY. MASS A VOLUME A.

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What Are Metals?

What Are Metals?. Review. Properties ? Characteristics which allow us to identify and distinguish one material from another and predict the behavior of a material. Physical Properties ?

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Stoichiometry

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Corrosion

Corrosion. Chapter 1.9-1.10. What is corrosion? (1.9). Corrosion is the slow chemical change that occurs when a metal reacts with oxygen from the air. This chemical reaction forms a new substance called an oxide. Different kinds of corrosion: Rusting Aluminum corrosion Silver tarnish.

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Chemistry

Chemistry. Chemical Equations. What Is A Chemical Equation?. 4 Al(s) + 3 O 2 (g) ? 2 Al 2 O 3 (s) A chemical equation tells us what happens when a reaction takes place. This reaction is for the production of Aluminum Oxide. 4 Al(s) + 3 O 2 (g) ? 2 Al 2 O 3 (s).

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Nomenclature for Binary Compounds

Nomenclature for Binary Compounds. I Ionic II Ionic III Covalent. Covalent Compounds. Covalent cmps have covalent bonds involving electron sharing Covalent bonds form between two non metals. Type III: name more cation-like first; use prefixes to identify number of each atom.

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http://www.sciencegeek.net/Chemistry/taters/Unit6SolutionConcentration.htm

http://www.sciencegeek.net/Chemistry/taters/Unit6SolutionConcentration.htm. Solution Concentrations. Answer the following questions. Use the formula n =cV. Check your answers by using the web site shown above. All the following questions are found on this site.

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Chapter 3

Chapter 3. Elements, Compounds & Mixtures. Compounds. compound = pure substance composed of > 2 elements that are chemically combined particle is formed when atoms of > 2 elements join together For elements to combine, they must react or undergo chemical D with one another.

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Stoichiometry

Stoichiometry. 0. How many moles of ammonium sulfate can be made from the synthesis reaction of 30.0 mol of ammonia, NH 3 , with sulfuric acid, H 2 SO 4 ? 2 NH 3 + H 2 SO 4 ? (NH 4 ) 2 SO 4. 15.0 30.0 60.0 1710 3420. 0.

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