'Dry cell battery' diaporamas de présentation

( natural )

Boiling Point: -252.77 C Freezing Point: 0 C Melting Point: -259.2 C Atomic Number: 1 Atomic Mass: 1.00797. H. Hydrogen. ( natural ). FOUND MIXED WITH GASES. This element was founded by Henry Canvendish in 1776.

1.35k views • 110 slides

Electrochemistry

776 views • 62 slides

Electrochemistry III

Electrochemistry III. QUESTION. Meals Ready to Eat (MREs) were developed during the Vietnam War. They need hot water to be reconstituted. The military includes a small packet of metal to heat the water through an oxidation-reduction reaction. Which metal do you think is in the packet?.

465 views • 40 slides

Day 1

491 views • 37 slides

Electricity

Electricity. Chapter 1. Newspaper Demonstration. Before the strips of newspaper were in contact with the plastic bag : they hung straight down while touching each other After sliding the plastic bag over them : they REPELLED each other WHY?

405 views • 33 slides

Electrochemistry III

Electrochemistry III. QUESTION. Meals Ready to Eat ( MREs ) were developed during the Vietnam War. They need hot water to be reconstituted. The military includes a small packet of metal to heat the water through an oxidation-reduction reaction. Which metal do you think is in the packet?.

385 views • 31 slides

Chapter 17: Electrochemistry

Chapter 17: Electrochemistry. Review of Redox Reactions Galvanic Cells: Using spontaneous redox reactions to generate electrical energy. Galvanic Cells Cell potential D G and work Cell potential and concentration Applications: Batteries, fuel cells, corrosion

1.17k views • 25 slides

Chapter 18:

Chapter 18:. Oxidation-Reduction ( Redox ) Reactions and Electrochemistry. Students will learn about. What is redox reaction? Assigning oxidation states Oxidizing agent; Reducing agent Balancing redox reactions Half-reaction method Applications of electrochemistry electroplating

431 views • 25 slides

Electricity

Electricity. Chapter 7. Positive and Negative Charges. Protons = positive charge Electrons = negative charge Most atoms have the same number of protons and electrons and thus will have no net charge. Atoms become charged when they gain or lose electrons. Static Electricity.

295 views • 24 slides

Audrey F, Tyler S, Geniveve H, and Tate E BATTERIES

Audrey F, Tyler S, Geniveve H, and Tate E BATTERIES. Period 5. The First Battery. The first battery was invented by Alessandro Volta. He created it by sticking together layers of zinc, silver, and wet paper. Volta placed copper wire at each end and allowed a current to flow.

347 views • 24 slides

What do all of these have in common?

What do all of these have in common?. Typewriter Rubber bicycle tires Carburetor Diesel engine X-ray Radio Cold cereal Aspirin Magnetic tape recorder Rubber heel (for shoe/boot) Movie projector Wireless radio telegraph Photoelectric cell Milk safety test

275 views • 21 slides

Topic: Redox

Topic: Redox. Aim: What are electrochemical cells? Do Now: Which of the following ions is most easily reduced? Li+ 2) K+ 3) Ca 2+ 4) Na+ HW:. Types of Cells. Electrochemical Cells. Practical uses for redox reactions Involve: Chemical rxns Flow of e- 2 types:

375 views • 18 slides

Physics Unit

136 views • 12 slides