'Voltaic cells' diaporamas de présentation

Chapter 20

2.08k views • 116 slides

Chapter Menu

Electrochemistry. Section 20.1 Voltaic Cells Section 20.2 Batteries Section 20.3 Electrolysis. Click a hyperlink or folder tab to view the corresponding slides. Exit. Chapter Menu. Section 20.1 Voltaic Cells. Describe a way to obtain electrical energy from a redox reaction.

1.02k views • 86 slides

Electrochemistry

802 views • 57 slides

Electrochemistry

Electrochemistry. Electrochemical reactions are oxidation-reduction reactions. The two parts of the reaction are physically separated. The oxidation reaction occurs in one cell. The reduction reaction occurs in the other cell. There are two kinds electrochemical cells.

803 views • 55 slides

ELECTROCHEMISTRY

ELECTROCHEMISTRY. Electrochemistry involves the relationship between electrical energy and chemical energy. OXIDATION-REDUCTION REACTIONS SPONTANEOUS REACTIONS Can extract electrical energy from these. Examples: voltaic cells, batteries. NON-SPONTANEOUS REACTIONS

815 views • 45 slides

ELECTROCHEMISTRY

ELECTROCHEMISTRY. Electron transfer reactions are oxidation-reduction or redox reactions. Results in the generation of an electric current (electricity) or be caused by imposing an electric current. Therefore, this field of chemistry is often called ELECTROCHEMISTRY.

452 views • 36 slides

Electrochemistry IV

Electrochemistry IV. Electrochemistry. Corrosion: A Case of Environmental Electrochemistry Electrolytic Cells: Nonspontaneous Reactions Important Biochemical Oxidation-Reduction Cycles. The Corrosion of Iron.

635 views • 32 slides

Fundamentals of Electrochemistry

366 views • 30 slides

Electronic Energy Storage Units: Powering Our Future

Electronic Energy Storage Units: Powering Our Future. Dr. Rebman By: Kaelen McCrane. What is an EESU?. A more efficient, powerful battery Converts stored Chemical Energy into Electrical Energy Makes use of portable electricity available for greater number of applications.

263 views • 15 slides

TICI

TICI. Cody Caplinger Daniela Policicchio Tamara Lelli Brad Shriner. TICI. TICI. Clear LCD Screen Light display naturally from outside while allowing a one-way-view of the outside world Capacitive Touch Interface Capable of multi-touch H igh density ultra thin photo-voltaic cells

361 views • 14 slides

Electrochemical Cells

439 views • 14 slides

Voltaic Cells as Energy Sources

Voltaic Cells as Energy Sources. Dry Cells. A compact, portable electrical energy source A voltaic cell in which the electrolyte is a paste Example: a flashlight battery/alkaline battery Starts out at a certain voltage but decreases steadily over time. Alkaline Battery.

215 views • 12 slides

14.1 Cells and Batteries

129 views • 12 slides

Electrochemistry

256 views • 11 slides

286 views • 10 slides

Voltaic Cells

Voltaic Cells. Batteries, etc. Essentials. Electrochemical setups that can generate electricity They release energy and are spontaneous E cell is positive (by definition) Viewed as sources of energy Voltage depends on the chemical reaction Amount (amps) depends on the size of the cell.

182 views • 7 slides

ELECTROCHEMISTRY

ELECTROCHEMISTRY. The study of the interchange of chemical and electrical energy http://www.chem.iastate.edu/group/Greenbowe/sections/projectfolder/flashfiles/electroChem/voltaicCell20.html. OIL RIG. o xidation i s l oss, r eduction i s g ain (of electrons)

253 views • 6 slides

Sustainable Tourism in Malta

Sustainable Tourism in Malta. Tourism in Malta. 1.5 million tourists visit per year The number of tourists can be a strain on the environment Ecotourism and Agritourism are the most suitable for Malta. Eco-Tourism.

536 views • 5 slides

Voltaic Cells

cells adapted for study also called galvanic cells involve a redox reaction where transfer of electrons is from reducing agent to oxidizing agent BUT the electrons travel through an external circuit

171 views • 4 slides

Electrochem

Electrochem. The cathode is the electrode at which reduction occurs. The cathode is positive in voltaic cells. The anode is the electrode at which oxidation occurs. The anode negative in voltaic cells. 1 amp = 1 coulomb/second.

146 views • 2 slides