Identification of Defects and Secondary Phases in Reactively Sputtered Cu 2 ZnSnS 4 Thin Films Vardaan Chawla, Stacey Bent, Bruce Clemens April 7 th, 2010.
Determine the oxidation number for each atom in the following molecules 1.H 2 S 2.P 2 O 5 3.S 8 4.SCl 2 5.Na 2 SO 3 6. SO 4 -2 7. NaH 8.Cr 2 O 7 -2 9.SnBr.
Lect w13 152_electrochemistry_abbrev
Ch17 z5e electrochem
Electrochemical Cells. Definitions Voltaic cell (battery): An electrochemical cell or group of cells in which a product-favored redox reaction is used.
Chapters 22, 23, 24 & 25 Electroanalytical Chemistry.
Burn and Unburn Oxidation and reduction always occur together. (NH 4 ) 2 CrO 7 → Cr 2 O 3 + N 2 + 4 H 2 O.
Copper from deep in the ground. SL M2. Five stages: Open Pit mining Pit crusher 0.6% Cu Froth floatation 30% Cu Smelting 90.4% Cu Electrolytic refining.
ELECTROCHEMISTRY
Redox Reactions Learning Goal: I will understand what a ‘REDOX’ reaction is, and be able to illustrate half reactions, and identify what is being oxidized.
ELECTROCHEMISTRY. Electrochemistry Background Many of the things people deal with in real life are related to electrochemical reactions. Batteries - flashlights,
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