rrq4fw82xq rrq4fw82xq

01-11-2021
Chemistry

contestada

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

Respuesta :

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 help! I have to write a brochure on earthquakes and what causes them please help!

Which group directly benefits from subsides?

what is the role of activation energy in a chemical reaction provide and explain one example

find the volume pls

BRUTUS. Bear with me, good boy, I am much forgetful. Canst thou hold up thy heavy eyes a while, And touch thy instrument a strain or two? LUCIUS. Ay, my lord,

Micronutrients are needed for______ ?? A. Biochemical reactions B. Protein production C. Building materials for muscles HURRY!!

why is it necessary to understand conflict of interest and how it could affect you at work

What was a problem with forming corporations? A) Too many workers needing jobs B) Too much access to cash funds C)Too many people in charge D) Too large a

Why should a female butterfly choose a vibrantly colored male for mating?

who is was the president in 1962