'Active metals' presentation slideshows

Acids & Bases

Acids & Bases. Text book. Section 8.2A Sections 16.1 & 16.2. Self-ionization of water (Autoionization). Truth H 2 O + H 2 O ? H 3 O + + OH - Convenient Lie H 2 O ? H + + OH -. H 3 O + = hydronium ion H + = hydrogen ion OH - = hydroxide ion. P H E N O L P H T H A L E I N.

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Atomic Structure

Atomic Structure. The Wave Nature of Light. All waves have a characteristic wavelength, l , and amplitude, A . Frequency, n , of a wave is the number of cycles which pass a point in one second. Speed of a wave, c, is given by its frequency multiplied by its wavelength:

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II. Five basic types of chemical reactions:

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Alcohols

Alcohols. Nomenclature Properties Preparation Reactions Spectroscopy. Alcohol Nomenclature. IUPAC Common Carbinol. Preparation Reactions. Reduction of carbonyl compounds Hydration of Alkenes Grignard reactions. Reduction of Carbonyl Compounds. Reduction of Aldehydes/ketones

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Chemical Reactions

Chemical Reactions. Chemical & Physical Changes. In a physical change , the chemical composition of the substance remains constant. Examples of physical changes are the melting of ice or the boiling of water.

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ACIDS AND BASES

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Solutions, Acids, and Bases

Solutions, Acids, and Bases. Chapter 7. Solute The substance that is dissolved into the solution. examples: Sugar in kool-aid Salt in salt water CO 2 in pop. Solvent The substance that does the dissolving in a solution. examples: Most common is water. Parts of a solution.

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The Periodic Table

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Acids & Bases

Acids & Bases. Acid & Base Properties. Acid: Sour taste (but never do this in lab!) Is an electrolyte Changes the color of an indicator Reacts with active metals producing hydrogen gas (H 2 ) Reacts with bases to produce an ionic salt and water. Base

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Chemistry 40s

Chemistry 40s. Unit 1: reaCTIONS IN AQUEOUS SOLUTIONS. LEARNING OUTCOMES. C11-1-04: Write balanced neutralization reactions between strong acids and bases.

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Acid Base Reactions

Acid Base Reactions. Acids Rxns with Metals. Active metals. Acids will react with active metals to produce hydrogen gas H 2(g) Reference table J Active metals are all metals above H 2. Mg + 2HCl H 2 + MgCl 2. Mg + HCl. Zn + 2HCl H 2 + ZnCl 2. Zn + HCl. Al + HCl.

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Metals used for ships

Year 12 Chemistry - Shipwrecks. Metals used for ships. Iron/Steel ships. Iron and various forms of steel are the primary metals used in the production of ships because they: Are relatively hard Are mechanically strong Can be worked into different shapes/structures Can be welded.

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Acids and Bases

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Metals

Metals. What are some properties of metals?. Good conductors of heat and electricity Luster Malleable Ductile High Density. Good Conductors. How is this property used in everyday life??. Luster. Luster is the ability to reflect light well.

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Lesson 4.03/4.04

Lesson 4.03/4.04. Single & Double Replacement, Synthesis and Decomposition. 4.03. Double Replacement Reaction : A type of reaction in which the ions of two compounds exchange places in an aqueous solution to form two new compounds. AY + BZ ? AZ + BY Double Replacement Reactions:

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Main-Group Metals

Main-Group Metals. The Activity of Metals. Lithium, sodium, and potassium all react with water. The rate of this reaction increases as we go down this column.

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USAGE OF METALS

USAGE OF METALS. Usage of metals. ALLOYS. Alloy i s a solid solution or homogeneous mixture of two or more elements at least one of which is a metal It usually has different properties than those of its components. Properties of alloys:. 1. They are usually powder than pure metals

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Properties of acids and bases

Properties of acids and bases. Acid Properties. Solutions with Ph < 7 Turn blue litmus red. React with active metals. Metals above hydrogen in reactivity series A salt and hydrogen is produced. REACTION WITH BASES. E.g . metal Oxides and hydroxides Form salts and water.

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Redox Reactions

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Acids and Bases

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