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

Describe John F. Kennedy's short term as President. Mention some of his accomplishments. In at least 100 words.

A nurse is caring for a pediatric patient who has severe injuries on his or her face and neck. the nurse says to the nurse manager, "i empathize with the patien

Identify the playwright--Aeschylus, Sophocles, Euripides, or Aristophanes--described in the following statement. 4. (1 pt) Only seven of his plays survive,

Why did European traders want to find a sea route to Asia

PART TWO MATH TEST :) Please Help! I will give brainliest and donuts <33

A slice is made perpendicular to the base of a right rectangular prism as shown. What is the area of the resulting two-dimensional cross-section? Drag and drop

What is the value of b in the equation (yb) 4 = 1/24y

For number one what other systems are there besides circulatory, digestive, nervous, Ecosystem and solar?

How was immigrant labor used in the construction of the transcontinental railroad ?

In the "Interlopers" the ending is a surprise because _____. Georg and Ulrich want to kill each other Georg and Ulrich become friends, but die anyway Georg wan