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

Otras preguntas

Most of Daniel Defoe's novels include major characters who do not belong to the upper class and suffer a life of hardship. What may have helped the writer to re
volume finding help volume
How many unique triangles can be made when one angle measures 90° and another angle is half that measure?
What is the value of the expression? 10 – 4 + (80 ÷ 20) y^4
Environmental factors can influence natural selection because they can increase or decrease
Which best describes Nelson Mandela's role in ending apartheid? (Points : 5)
Prospero is first seen in an island hut. Question 1 options: 1) True 2) False
why did people start colonies in new England
Henry III was Holy Roman Emperor when Pope Gregory VII came to power in 1073.
as one travels east into the next time zone the time is one hour ______ ?