rrq4fw82xq rrq4fw82xq
  • 01-11-2021
  • Chemistry
contestada

Cân bằng phương trình Mg+HCl->MgCl2+H2 bằng phương pháp thăng bằng

Respuesta :

AmaraDangTran
AmaraDangTran AmaraDangTran
  • 01-11-2021

quá trình oxi hóa: Mg0 -> Mg2+ + 2e-

quá trình khử: 2H+ + 2e- -> H2 (cần 2 H+ để tạo 1 H2)

----> chỉ cần thêm 2 vào trước HCl (vì H+ là do HCl cung cấp)

----> Mg + 2HCl -> MgCl2 + H2

yay :)

Answer Link

Otras preguntas

I need a Amazon tribe name please! Need for Monday
What do Frederick Douglass' words "America reigns without a rival" mean?
what It Trigonometry ?
What challenges did the californios face?
solve for x: 2x^2+4x-16+=0
why did  the volcano explode
why did  the volcano explode
The following statements about carbon dioxide are true EXCEPT a. It can be prepared by the action of acid on CaCO₃ b. It is used in fire extinguishers c. It d
how do i round 3,176 to the nearest thousand
which expression is equivalent to x^4-y^4?