'Electrochemical reactions' diaporamas de présentation

Electrochemistry

Electrochemistry. Chapter 17. Contents. Galvanic cells Standard reduction potentials Cell potential, electrical work, and free energy Dependence of cell potential on concentration Batteries Corrosion Electrolysis Commercial electrolytic processes. 17.1 Galvanic Cells.

1.67k views • 97 slides

Electrochemistry and Corrosion

1.13k views • 65 slides

Evans Diagrams

Evans Diagrams. Where we left off. Tafel Equation. The Tafel slope is an intensive parameter and does not depend on the electrode surface area. i 0 is and extensive parameter and is influenced by the electrode surface area and the kinetics or speed of the reaction.

2.34k views • 33 slides

Power Cells and Batteries

Electrochemical Reactions. Power Cells and Batteries. Parts. Anode: Electrons are lost due to oxidation. (negative electrode) Cathode: Electrons are gained due to reduction. (positive electrode) Electrolyte: The medium that carries the ions or electric charges.

398 views • 20 slides

Chapter 20: Sustainable Energy

By: Jack Philbin Dr Unfried APES 2/9/10. Chapter 20: Sustainable Energy. a measure of energy produced compared to energy consumed. Our current energy technologies are extremely inefficient and much potential energy in fuels is wasted .

491 views • 17 slides

Hydrogen electrolysis

Hydrogen electrolysis. Hydrogen electrolysis is the process of running an electrical current through water (H 2 O) and separating the hydrogen from the oxygen. Process is the REVERSE of what occurs in a fuel cell. (-) (+). 9v. + / -. e. -. e. -. e. -. H 2. O 2. e. -.

1.23k views • 4 slides