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

What is the sequence during cellular respiration

The volume of a cone is 20π cubic meters. What is the volume of a cylinder with the same base and height?

Which of the following is essential for life on Earth?

A high birth to death ratio leads to smaller populations. Please select the best answer from the choices provided T F

Which best describes how "The Convict and the Bishop" resolves its main conflicts?

Cells with the same structures and functions work together to form A. systems. B. tissues. C. organs. D. organisms.

Which is the topic sentence of the following paragraph? There are four people in my family. The family consists of my father, my mother, my younger sister and m

A counterexample for the expression sin y tan y= cos y is 0.

A train travels 16 miles in 20 minutes. At this rate, how ,any minutes will it take to travel 12 miles

all employes must no later than 6