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

2/5+4/7 estimate: decide if each addend is closer to 0 or closer to 1. then estimate the sum or difference. this is a fraction question.

The Earth has a radius of 6,400 kilometers. A satellite orbits the Earth at a distance of 12,800 kilometers from the center of the Earth. If the weight of the s

convert to vertex form. y=2x^2+14x-4

Hitler intended to defeat great Britain by

13/20-3/10 estimate: closer to 1 or 0?

A rectangle has an area of 30 square units and a perimeter of 34 meters.what are the dimensions of this rectangle

For f(x)=3x+4, find f(2) and find x such that f(x)=17

what is the term for the condition where red blood shrivels?

The areas of two circles are 36(pi) and 64(pi). What is hte ratio of the diameters? of the circumferences?

Why did the Chinese peasants rebel against the manchus from 1850 to 1864?