'Half 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

Unit 11: RedOx

Unit 11: RedOx. Chapter 20 & 21 Pre-AP Chemistry I Edmond North High School. Electron Transfer Reactions. Electron transfer reactions are oxidation-reduction or redox reactions.

1.14k views • 85 slides

Electrochemistry

Electrochemistry. Ch. 17. Electrochemistry. Generate current from a reaction Spontaneous reaction Battery Use current to induce reaction Nonspontaneous reaction Electroplating. Oxidation-Reduction Reaction. aka Redox Transfer of electrons Donor + Acceptor

1.36k views • 59 slides

Chapter 20 Oxidation-Reduction Reactions (Redox Reactions)

1.56k views • 50 slides

Methods of Green Chemistry in Environmental Technology

Methods of Green Chemistry in Environmental Technology. Exercises I Eveliina Repo. Membranes. Osmotic pressure.

697 views • 42 slides

Chapter 20 Electrochemistry

Lecture Presentation. Chapter 20 Electrochemistry. James F. Kirby Quinnipiac University Hamden, CT. Electrochemistry. Electrochemistry is the study of the relationships between electricity and chemical reactions. It includes the study of both spontaneous and nonspontaneous processes.

899 views • 41 slides

Redox Geochemistry

Redox Geochemistry. WHY?. Redox gradients drive life processes! The transfer of electrons between oxidants and reactants is harnessed as the battery, the source of metabolic energy for organisms

576 views • 39 slides

Redox potentials

Redox potentials. Electrochemistry. Redox Reactions. Oxidation loss of electrons Reduction gain of electrons oxidizing agent substance that cause oxidation by being reduced reducing agent substance that cause oxidation by being reduced. Electrochemistry.

562 views • 37 slides

9. Oxidation-Reduction

9. Oxidation-Reduction. Oxidation-Reduction Redox Reactions. Reactions in which some elements change their oxidation number. Oxidation numbers. An oxidation number is the charge an atom would have if electrons in its bonds belonged completely to the more electronegative atom.

890 views • 36 slides

Chapter 17 Electrochemistry

Chapter 17 Electrochemistry. The study of the interchange of chemical and electrical energy. Primarily concerned with two processes: Oxidation-reduction reactions. The generation of an electric current or the use of current to produce chemical change. Review of Terms.

1.08k views • 35 slides

Aqueous-solution Reactions

Aqueous-solution Reactions. Classify a reaction by Homogeneous chemical reactions: gas phase solutions aqueous-solution (common occurrence) non-aqueous-solution Heterogeneous (more than one phase ) chemical reactions: gas / liquid gas / solid liquid / solid.

1.76k views • 33 slides

Introduction to Oxidation-Reduction Reactions

Introduction to Oxidation-Reduction Reactions. Electron Transfer Reactions. Types of Chemical Reactions. There are four types of chemical reactions: Acid/Base Precipitation/Solubility Complex Formation/Complex Dissociation Oxidation/Reduction

839 views • 32 slides

Redox Geochemistry

Redox Geochemistry. WHY?. Redox gradients drive life processes! The transfer of electrons between oxidants and reactants is harnessed as the battery, the source of metabolic energy for organisms

720 views • 26 slides

Chemical Reactions 2: Equilibrium & Oxidation-Reduction

Chemical Reactions 2: Equilibrium & Oxidation-Reduction. Redox Reactions. Neutral atoms do not have charge since number of electrons equals number of protons (charge equals zero). Charge is acquired when an atom gains (- charge) or loses (+ charge) electrons (last shell). Redox Reactions.

379 views • 24 slides

Electrochemistry Two broad areas Galvanic Rechargeable Electrolysys Cells batteries Cells

Electrochemistry Two broad areas Galvanic Rechargeable Electrolysys Cells batteries Cells. Electrochemistry. Batteries, or galvanic cells, use an electron transfer (oxidation/reduction) reaction to produce a flow of electrons. Review the handouts

594 views • 20 slides

Redox : Electrochemical Cells

274 views • 17 slides

Galvanic (or Voltaic) Cells

657 views • 15 slides

Electrochemistry

312 views • 7 slides

351 views • 7 slides

Config ? Redox Couples...

172 views • 5 slides