katy7852
katy7852
17-06-2017
Chemistry
contestada
As a metal corrodes, what happens to oxygen?
Respuesta :
dec77cat
dec77cat
17-06-2017
Oxygen is reduced. For example, corrosion of iron occurs according to the scheme:
4Fe + 3O₂⁰ + 6H₂O = 4Fe(O⁻²H)₃
O₂ + 2H₂O + 4e⁻ = 4OH⁻
Fe - 3e⁻ = Fe⁺³
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
Otras preguntas
Doppler Effect: For very fast-moving things -- Moving towards= Moving away = a) Blue shift, Red shift b) Red shift, Blue shift c) Blue shift, No shift d) Red sh
Is it true that states with violent crime rates have lower levels of imprisonment?
The transfer of heat when water vaporizes is called:a) Conductionb) Convectionc) Evaporationd) Radiatione) Respiration
"___________ by grace you have been saved through faith. And this is not your own doing; it is the gift of God, 9 not a result of works, so that no one may boas
Which of the following has more atoms: 1.10 g of hydrogen atoms or 14.7 g of chromium atoms? Explain
Merging two or more submarkets into one larger target market as a basis for one strategy is known as the ____ target market approach. a) Concentrated b) Differe
What are the precautions for Rotavirus in Acute Infectious Gastrointestinal Disorders?
Oogenesis ultimately gives rise to one ovum with the haploid number of chromosomes.a. trueb. false
A qualified person is defined as one who has demonstrated skills and knowledge related to the construction and _______ of electrical equipment and installations
A factory makes toasters. Four samples of toasters are tested for faults. Each sample has size 400 Here are the relative frequencies of faulty toasters in the s
