PPT-Ch. 19: Electrochemistry

Dr Namphol Sinkaset Chem 201 General Chemistry II I Chapter Outline Introduction Balancing Redox Reactions Galvanic Cells Standard Reduction Potentials E cell Δ G and K. Electrochemistry. Corrosion: A Case of Environmental Electrochemistry. Electrolytic Cells: Nonspontaneous Reactions. Important Biochemical Oxidation-Reduction Cycles. The Corrosion of Iron. ~ 25% of the steel in the United States is made to replace steel that has corroded (rusted), which is caused by the oxidation of iron.. Trevor Yates, Junior, University of Cincinnati. Adam McNeeley, Pre-Junior, University of Cincinnati . William Barrett, Sophomore, University of Cincinnati . GRA: Abhinandh Sankar. AC: Dr. Anastasios Angelopoulos. Keri Brophy-Martinez. Designs in Instrumentation. Electrochemistry. Electrochemistry. Basic principle. Electrodes are used to selectively measure particular ions. Instruments utilizing electrodes measure the potential difference (charge) that builds up at an interface when two different . Chapter 11. E-mail: . benzene4president@gmail.com. Web-site: http://clas.sa.ucsb.edu/staff/terri/. Electrochemistry . – ch 11. 1. Consider the following reaction: . a. What substance . is . getting . Chapter 17. AP Chemistry. Decoding the Past – The Real Dr. Frankenstein. As you watch the following video, answer the questions on the sheet provided:. Decoding . the Past - The Real Dr. Frankenstein. Announcements. Return Q2 and HW1.2. I thought Q2 was reasonable – scores were o.k., but not great. Some parts of homework (e.g. I wanted you to use Excel to solve 1.2.3 and to calculate . Sx. – the standard uncertainty in the conc. – for each sample) were not clear so will make 2 points bonus (out of 6 points). Electrochemistry. Cell Potential: Output of a Voltaic Cell. Free Energy and Electrical Work. Cell EMF. Standard Reduction Potentials. The larger the difference between . E. . red. values, the larger . Today…. Turn in:. Nothing. Our Plan:. Test Results. Notes – Redox Equations. Worksheet #1. Homework (Write in Planner):. Redox Equation WS due Friday. 6% Curve. A. 2. B. 5. C. 4. D. 1. F. 4. Average. Alessandro Volta Michael Faraday Walther . Nerst. Electrochemistry. Using electrical potentials and currents as a way to affect chemistry. Using chemistry to generate electrical potentials and currents. E-mail: . benzene4president@gmail.com. Web-site: http://clas.sa.ucsb.edu/staff/terri/. Electrochemistry . – ch 11. 1. Consider the following reaction: . a. What substance is getting reduced?. b. How many moles of electrons are transferred?. Chapter . 14. Other interfaces. Most . f. igures. from . the. . textbook. . we. . use. for . the. . course. , via . its. web . resources. :. Interface. Large . capacitance. Nonfaradaic. . currents.  ­\n\n€‚\nƒ„
„ ELECTROCHEMISTRY AT YOUR Describe electrolytic cells & their relationship to galvanic cells. Perform calculations related to electrolysis. Electrolysis. Electrolysis: . a process that uses input of electrical energy to drive . Jennie L. Borders. Section 20.1 – Oxidation States and Oxidation-Reduction Reactions. Oxidation is loss of electrons.. Reduction is gain of electrons.. Electrochemistry is the study of the relationships between electricity and chemical reactions..