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

Infectious disease can be spread by which of the following? food water body fluid all the above
you have three numbers two of the numbers are 24 and 42 what is the gfc of these two numbers the third number is greater than 42 and does not change the gcf. Wh
Which equation is related to the equation shown? x + 3 = 12 A. x = 12 + 3 B. x = 12 ÷ 3 C. x = 12 − 3 D. x = 12 • 3
How can complex fractions be used to solve problems involving ratios
Approximately how long has the Moon been geologically inactive? A. 1 billion years B. 3 billion years C. 4 billion years D. 4.5 billion years
How u write an inequality for brigitte is shorter than 5 feet (brigitte height =h)
help please asap!!!!!!!!!!!!!!!!!!!
1.666667 as a fraction
A single box of thumb tacks weighed 3 1 ⁄2 ounces. If a teacher had 4 1⁄7 boxes, how much would their combined weight be?
Which words are used as nouns in this sentence? Choose all answers that are correct. Lobsters can pinch the skin with their claws. a. pinch b. their c. skin d