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

The area of a parallelogram With a height of 6 meters is 126 square meters. What is the base length of the parallelogram?
what is the least dense layer of the earth
The ability to reason well is necessary for modern workers because __________. a. Communication with other workers will be difficult b. Creativity is not valued
is 75/100 less, more than, or equal to 8/10
Make a simple compound sentence for auditory
any change or random error in a DNA sequence
Ivanna spent a total of $95 at the grocery store. Of this amount, she spent $57 on fruit. What percentage of the total did she spend on fruit?
What is the country that controlled Florida at one time?
Which sentence is written correctly? A. Nobody was as tired as Deepak was. B. Jonathan trains harder than any other runner on the squad. C. Zachary held his
Which statement about changes that occurred during the Industrial Revolution is true? A. Many people moved from farms and small towns to cities to find employ