100+ 2 2 nacl PowerPoint (PPT) Presentations, 2 2 nacl PPTs

2 2 nacl - PowerPoint PPT Presentation

UNIT VII

UNIT VII. Stoichiometry. VII.1 Coefficients in a Reaction Equation:. Stoichiometry : the relationship between the amount of reactants used in a chemical reaction and the amounts of products produced by the reaction. VII.1 Coefficients in a Reaction Equation:. 2Mg + O 2 ? 2MgO

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Cu 2 O and CuO Nanocrystalline Photoelectrochemical Systems

Cu 2 O and CuO Nanocrystalline Photoelectrochemical Systems. Thomas Polson. Why use a semiconductor?. Absorbed photons promote electrons to a higher energy state (conductive band) Electrons from conductive band used to split H 2 O

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Chemical Reactions

Chemical Reactions. Chemical Reactions. New Substances produced by changing the way atoms are arranged Physical Changes ? Chemical Reaction Evidence Change in Color (rust) Temperature Change (endo/exo-thermic) Formation of a Gas Formation of a Solid (Precipitate).

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Single Replacement Reactions

Single Replacement Reactions. Understand this first!. Writing formulas for compounds -Ex. Al 2 O 3 (Balancing positive and negative charge) Balancing equations (7.4) HONClBrIF. Understanding Single Replacement.

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UNIT VII

Cu 2 O and CuO Nanocrystalline Photoelectrochemical Systems

Chemical Reactions

Single Replacement Reactions