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Electrochemistry

Electrochemistry

Electrochemistry. Redox reactions. The half-reactions for Sn 2+ ( aq ) + 2Fe 3+ ( aq )  Sn 4+ ( aq ) + 2Fe 2+ ( aq ) are Oxidation: Sn 2+ ( aq )  Sn 4+ ( aq ) +2e- Reduction: 2Fe 3+ ( aq ) + 2e-  2Fe 2+ ( aq ) In oxidation: electrons are products.

By kalli
(270 views)

Galvanic (or Voltaic) Cells

Galvanic (or Voltaic) Cells

Galvanic (or Voltaic) Cells. Electrochemistry = the interchange of chemical and electrical energy = used constantly in batteries, chemical instruments, etc… Galvanic Cells Definitions

By geranium
(362 views)

Lecture 12: Cell Potentials

Lecture 12: Cell Potentials

Lecture 12: Cell Potentials. Reading: Zumdahl 11.2 Outline What is a cell potential? SHE, the electrochemical zero. Using standard reduction potentials. Cell Potentials.

By yeardley
(135 views)

Redox Reactions in Metabolism: Standard reduction potentials, coenzymes in metabolism, and pyruvate dehydrogenase

Redox Reactions in Metabolism: Standard reduction potentials, coenzymes in metabolism, and pyruvate dehydrogenase

Redox Reactions in Metabolism: Standard reduction potentials, coenzymes in metabolism, and pyruvate dehydrogenase. Bioc 460 Spring 2008 - Lecture 27 (Miesfeld). NADH. Acetyl-CoA. Vitamins are organic compounds in nature that were discovered through dietary deficiency diseases such as beriberi.

By baris
(1297 views)

The oxidation states of vanadium

The oxidation states of vanadium

The oxidation states of vanadium. Objectives: access multiple oxidation states of V separate compounds via ion exchange chromatography. Vanadium Complexes in This Lab. [V(H 2 O)] 6 2+ [V(H 2 O) 6 ] 3+ [V(H 2 O) 5 O] 2+ [V(OH)O 3 ] 2- Draw 3D structure Give oxidation number of V.

By tekli
(676 views)

Chapter 20 - Electron Transfer Reactions

Chapter 20 - Electron Transfer Reactions

Chapter 20 - Electron Transfer Reactions. Objectives: 1. Carry out balancing of redox reactions in acidic or basic solutions; 2. Recall the parts of a basic and commercial voltaic cells; 3. Perform cell potential calculations from standard reduction potentials;

By moke
(620 views)

Electrochemistry

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.

By norah
(318 views)

Electrochemistry

Electrochemistry

Electrochemistry. “Marriage” of redox and thermo Spontaneous electron-transfer reactions can result in spontaneous electric current if the reactants are separated by a wire Voltaic (Galvanic) cells We can use the “spontaneity” of the reaction to do electrical work. (Continued).

By gamba
(136 views)

Chapter 19 OXIDATIVE PHOSPHORYLATION AND PHOTOPHOSPHORYLATION

Chapter 19 OXIDATIVE PHOSPHORYLATION AND PHOTOPHOSPHORYLATION

Lehninger Principles of Biochemistry, Fourth Edition, 2005. Chapter 19 OXIDATIVE PHOSPHORYLATION AND PHOTOPHOSPHORYLATION. 中央研究院 生物化學研究所 曾湘文 博士 June 12, 2007 . 19.1 Electron-Transfer Reactions in Mitochondria. Electrons Are Funneled to Universal Electron Acceptors

By elan
(1298 views)

Oxidation and Reduction

Oxidation and Reduction

Oxidation and Reduction. Reactions that involve electron transfer Batteries and chemistry. What’s in a battery. A battery does work with electricity A circuit is required An electric current flows through the circuit A chemical reaction provides the electricity. Energy and electricity.

By penda
(10 views)

Chapter 6 Biological Oxidation

Chapter 6 Biological Oxidation

Chapter 6 Biological Oxidation. The biochemistry and molecular biology department of CMU. Biological oxidation is the process in which substances (carbohydrate, Lipid, AAs) are oxidized in living organism. Oxidation types: Dehydrogenation Electron lost Oxygenation.

By marina
(339 views)

ELECTROCHEMISTRY Chapter 21

ELECTROCHEMISTRY Chapter 21

ELECTROCHEMISTRY Chapter 21. redox reactions electrochemical cells electrode processes construction notation cell potential and G o standard reduction potentials (E o ) non-equilibrium conditions (Q) batteries corrosion. Electric automobile. - 2 e-. 2 x +1 e-.

By pierce
(134 views)

ELECTROCHEMISTRY Chapter 21

ELECTROCHEMISTRY Chapter 21

ELECTROCHEMISTRY Chapter 21. redox reactions electrochemical cells electrode processes construction notation cell potential and G o standard reduction potentials (E o ) non-equilibrium conditions (Q) batteries corrosion. Electric automobile.

By meg
(240 views)

Chemistry 100 – Chapter 20

Chemistry 100 – Chapter 20

Chemistry 100 – Chapter 20. Electrochemistry. Voltaic Cells. A Schematic Galvanic Cell. e -. Porous Disk. e -. e -. Reducing Agent. Oxidizing Agent. Anode. Cathode. The Galvanic Cell Defined.

By axelle
(127 views)

Electrochemistry

Electrochemistry

Electrochemistry. Chapter 21. Electrochemistry and Redox. Oxidation-reduction: “Redox” Electrochemistry: study of the interchange between chemical change and electrical work Electrochemical cells: systems utilizing a redox reaction to produce or use electrical energy. Redox Review.

By butch
(405 views)

Electrochemistry

Electrochemistry

Electrochemistry. Redox reactions. electrochemical cells galvanic : spontaneous chemical rxns to produce electrical energy ( D G = -nFE, negative) electrolytic : utilisation of energy (ex: applied V) to force a chemical rxn to take place ( D G +). Cells.

By tolla
(113 views)

Electrochemistry

Electrochemistry

Electrochemistry. Chapter 20. Half-reaction method…remember?. Example Al (s) + Cu 2+ (aq)  Al 3+ (aq) + Cu (s) Oxidation: Al (s)  Al 3+ (aq) + 3e - Reduction: 2e - + Cu 2+ (aq)  Cu (s) Use lowest common multiple to make both equivalent in number of electrons

By sawyer
(124 views)

Classification of Chemical Reactions

Classification of Chemical Reactions

Classification of Chemical Reactions. Notes. Composition (also called combination or synthesis). Two reactants combine to form one product A + B  AB Example: 3Na + P  Na 3 P Helpful hints

By yves
(114 views)

Oxidation and Reduction

Oxidation and Reduction

Oxidation and Reduction. as it pertains to biochemistry. please read . Read The Slow Burn. fig 13-22. fig 13-22. reduction potential can be measured. ref. cell. test cell. fig 13-23. Redox reactions as pairs of half-reactions. Fe 3+ + Cu +. Fe 2+ + Cu 2+.

By craig
(167 views)

Topic 12 Electrochemistry

Topic 12 Electrochemistry

Topic 12 Electrochemistry. Review. Oxidation reduction reactions involve a transfer of electrons. OIL- RIG Oxidation Involves Loss Reduction Involves Gain LEO-GER Lose Electrons Oxidation Gain Electrons Reduction. Applications. Moving electrons is electric current.

By baruch
(562 views)

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