1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
adoni [48]
2 years ago
5

Cân bằng phương trình Mg+HCl->MgCl2+H2 bằng phương pháp thăng bằng

Chemistry
1 answer:
nignag [31]2 years ago
8 0

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 :)

You might be interested in
I really need help please
Greeley [361]

Answer:

I think it's B

hope this helps

5 0
3 years ago
Which has a higher boiling point hcl or hi
Likurg_2 [28]

HI.

Hope this helps!

-Payshence

3 0
3 years ago
Read 2 more answers
Electronic and electrical devices differ in the way they use _____.
Katena32 [7]
Election current because voltage is a measurement, information doesn't apply to all electrical devices and the wires within are usually copper bc it conducts and hardly ever will the wires be anything different because copper is cheap
3 0
2 years ago
Help me this 2 . I’m not good at this sorry
emmainna [20.7K]

Left is respiratory

Right is circulatory

6 0
3 years ago
(20 Points!!!!!)
trasher [3.6K]

i am pretty sure it would be a chemical change so A

3 0
2 years ago
Read 2 more answers
Other questions:
  • How does the reaction of hydrogen and oxygen to produce energy in a fuel cell differ from their interaction during the direct co
    6·1 answer
  • A sample of cl2 gas has a volume of 15.0 l at a pressure of 1.50 atm and a temperature of 23 °c. What volume, in liters, will th
    8·2 answers
  • When salt dissolved in water, what type of change occurs?
    10·2 answers
  • In living cells, ATP stores the energy that _____.
    10·1 answer
  • Explain how science can help you make more informed decisions about what to eat.
    6·2 answers
  • When filling degenerate orbitals, electrons fill them singly first, with parallel spins is known as When filling degenerate orbi
    10·1 answer
  • How does the mass of a gas particle affect its rate of effusion?
    11·1 answer
  • What is the dependent variable for "how does changing your laundry detergent affect how clean your clothes are?"
    12·1 answer
  • Which of the following substance is NOT matter? *
    9·1 answer
  • NaOH + HCl -&gt;<br> Fe + HCl -&gt;
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!