'Standard hydrogen electrode' diaporamas de présentation

Chapter 20 Electrochemistry

Chemistry, The Central Science , 10th edition Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten. Chapter 20 Electrochemistry. John D. Bookstaver St. Charles Community College St. Peters, MO ? 2006, Prentice Hall, Inc. Electrochemical Reactions.

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ELECTROCHEMISTRY

ELECTROCHEMISTRY. Electrode potential and half cell. Half cell 2 possible electron transfer reactions occur: M(s) ? M n+ (aq) + ne - (Oxidation) M n+ (aq) + ne - ? M(s) (Reduction) Reversible reaction occurs.

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Intersection 13

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Electrochemistry

Electrochemistry. Thermodynamics at the electrode. Learning objectives. You will be able to: Identify main components of an electrochemical cell Write shorthand description of electrochemical cell Calculate cell voltage using standard reduction potentials

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BRANCH OF PHYSICAL CHEMISTRY THAT STUDIES THE INTERRELATIONSHIP BETWEEN ELECTRICITY AND CHEMISTRY

ELECTROCHEMISTRY. BRANCH OF PHYSICAL CHEMISTRY THAT STUDIES THE INTERRELATIONSHIP BETWEEN ELECTRICITY AND CHEMISTRY.

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Galvanic cell

SAHAR ADHAM LECTUERE OF PHYSICAL CHEMISTRY. Galvanic cell. Comparison of Electrochemical Cells. galvanic. electrolytic. need power source. produces electrical current. two electrodes. anode (-) cathode (+). anode (+) cathode (-).

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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.

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Thermodynamics in Corrosion Engineering

Thermodynamics in Corrosion Engineering. Lecture#03-04. Utility of Thermodynamics in Electrochemistry. Thermodynamic considerations allow the determination of whether a reaction can occur spontaneously

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Oxidation-Reduction (Redox) Reactions

Oxidation-Reduction (Redox) Reactions. Redox: Introduction. Electrons (e - ) are transferred from one compound to another e - -donors (lose electrons) e - -acceptors (gain electrons ) Loss of e - by e - -donor = oxidation Gain of e - by e - -acceptor = reduction

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Electrochemistry

Electrochemistry. The study of the interchange of chemical and electrical energy. Electrochemical Reactions. All electrochemical reactions involve the transfer of electrons and are therefore, oxidation-reduction reaction.

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Topic 19 Oxidation and reduction

Topic 19 Oxidation and reduction. Standard electrode potential Electrolysis Electroplating Purification. 19.1 Standard electrode potential. You can find tabulated data of potentials of different metals and other redox couples. They are measured relative the

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Fuel cells

Fuel cells. Learning objectives: Revise the work covered so far on module 2 of EEE. Explain that a fuel cell uses the energy from the reaction of a fuel with oxygen to create voltage. Explain the changes that take place at each electrode in a hydrogen-oxygen fuel cell. Starter

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Section 10

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Topic 19 Oxidation and reduction

Topic 19 Oxidation and reduction. Standard electrode potential Electrolysis Electroplating Purification. 19.1 Standard electrode potential. You can find tabulated data of potentials of different metals and other redox couples. They are measured relative the

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Lecture #11 Corrosion

Lecture #11 Corrosion. Learning objective outcomes : 1-Corrosion in metals. 2- Distinguish between oxidation and reduction electrochemical reactions. 3. Describe the following: galvanic couple, standard half-cell, and standard hydrogen electrode.

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Electrochemical Cells

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Electrochemistry

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STANDARD REDUCTION POTENTIAL

STANDARD REDUCTION POTENTIAL. STANDARD REDUCTION (ELECTRODE) POTENTIAL (E O ). Is a measurement that indicates how easily a half cell undergoes reduction. Indicates how much voltage will a half cell produce. This is an experimentally determined value . The standard hydrogen electrode .

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anorexic ox

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