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

What unique view of democracy did Franklin express? Select one: a. That all land owning males could vote b. That a republican form of government could replace m
Which term refers to the energy emitted when an electron moves from a higher energy level to a lower one?
the colonists had difficulty coming together to revolt because they: A. were not complety unified. B. had not read the prowar pamphlets. C. had no real reason t
Which words describe the sets of plays during Shakespeare's day? A. shabby, ugly B. expensive, elaborate C. elegant, graceful D. spare, simple
When it comes to cholesterol, it is better to have __________.
Which outcome resulted from the period of Prohibition in the United States?
Which type of law governs the relationship between private individuals or companies?
Which answer choice correctly completes the sentence? For centuries, the ship had __________ beneath the waves. A. lie B. laid C. lain D. lay
the basic requirements for industry growth are capital natural resources true or false
When it comes to cholesterol, it is better to have __________.