PPT-5. Electrochemistry 5.7: Electrolysis

Describe electrolytic cells amp their relationship to galvanic cells Perform calculations related to electrolysis Electrolysis Electrolysis a process that uses input of electrical energy to drive . 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.. Chapter 20 . Electrolysis. Electrolysis. is the use of electricity to bring about a chemical reaction..  . Redox. reactions occur at the electrodes..  . At . the . cathode(-). a . reduction. reaction occurs (gain . Pg. 658 - 660. Let’s talk about the lab…. In lab the reactions were spontaneous!. The solutions were arranged so that the electrons would move through the wires. Voltaic cells involving spontaneous reactions are typically used to run motors and perform other useful work. Electrolytic Cells. :. When a non-spontaneous . redox. reaction is made to occur by putting electrical energy into the system.. The battery (energy source) acts as a “pump” pushing electrons into the cathode and removing electrons from the anode.. Mr. Chapman. Electrolysis. Think of . electrolysis. . and . electrolytic cells. as the . opposite . of . electrochemical cells. .. In . electrochemical cells. , a spontaneous REDOX reaction . is used to create . Options. H. istory. Galvani. noted the muscular reaction in dissected frog’s legs when they were in contact with two different metals.. Allesandro. Volta. Volta. produced cells and batteries by separating copper and zinc plates with salt solution.. 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 . Explain the process of electrolysis and its uses. Electrolysis. A process where electrical energy is transformed into chemical energy. It is not . spontaneous, electrical . energy must be supplied for a . 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. 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?. Electrolysis . Process by which an electric current is passed through a substance to cause a chemical change.. The chemical change is one in which the substance loses or gains an electron.. Electrolysis. Thursday, 10 September 2020. Do Now: . How many words can you make out of the letters in…. Electrolysis . Too easy? … only make science words! . Spec. 5.4.3.1 – 5.4.3.2 . PROGRESS INDICATORS. Monday, 05 October 2020. CHAPTER 5: CHEMICAL CHANGES. Do Now: . These are the answers… what could the questions be?. Electrolysis. Anode. Cation. Electrolyte. Electrode. Spec 5.4.3.4. PROGRESS INDICATORS. Mogens B. Mogensen . Technical University of Denmark, . DTU Risø Campus. DK-4000 Roskilde. Denmark. momo@dtu.dk. 2. nd. Joint European Summer School on Fuel Cell and Hydrogen Technology,. Crete, September .