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
netineya [11]
3 years ago
14

balance redox reaction calculator An electrochemical cell has the following standard cell notation: Al(s) | Al3+(aq) || Mg2+(aq)

| Mg(s) a. Write the balanced oxidation and reduction half-reactions, labeling the oxidation reaction and reduction reaction. (4 points) standard cell notation
Chemistry
1 answer:
barxatty [35]3 years ago
5 0

Answer:

Al(s) ⇄ Al³⁺(aq) + 3e⁻  (oxidation)

Mg⁺²(aq) + 2e⁻ ⇄ Mg(s) (reduction)

Explanation:

In the cell notation, first is placed the anode and then the cathode, so Al(s) is in the anode, where an oxidation reaction is taking place, and Mg²⁺ is in the cathode, where a reduction reaction is taking place. The half-reactions are:

Al(s) ⇄ Al³⁺(aq) + 3e⁻  (oxidation)

Mg⁺²(aq) + 2e⁻ ⇄ Mg(s) (reduction)

For the global reaction, it'll be necessary that the number of electrons (e⁻) is equal in the half-reactions, so the first one is multiplied by 2 and the second by three and the global reaction is:

2Al(s) + 3Mg⁺²(aq) ⇄ 2Al³⁺(aq) + 3Mg(s)

You might be interested in
Grease is applied to the moving part of machine. <br>​
RideAnS [48]

Answer:

Explanation:

The moving part won't move on its own there's a force but the force isn't enough for something like a bike chain it need grease to move smoothly or else it will just be super stuck or slow.

6 0
2 years ago
Read 2 more answers
If anybody wanna be friends drop your snap below
juin [17]



Cmon bro you better then this
5 0
2 years ago
What is calcium when it is in it natural state solid liquid or gas?
viktelen [127]
It is a solid in its natural state but it can be a liquid
6 0
3 years ago
1. What elements are carbohydrates generally composed of?
Llana [10]
The correct answer is  hydrogen<span>, and </span>oxygen<span>. </span>
4 0
3 years ago
Read 2 more answers
Copper oxide, CuO, reacts with hydrochloric acid, HCI, to produce copper chloride, CuCL2 and water
spayn [35]

Explanation:

El óxido de cobre (II), también llamado antiguamente óxido cúprico ({\displaystyle {\ce {CuO}}}{\displaystyle {\ce {CuO}}}), es el óxido de cobre con mayor número de oxidación. Como mineral se conoce como tenorita.

{\displaystyle {\ce {2Cu + O2 = 2CuO}}}{\displaystyle {\ce {2Cu + O2 = 2CuO}}}

Aquí, se forma junto con algo de óxido de cobre (I) como un producto lateral, por lo que es mejor prepararlo por calentamiento de nitrato de cobre (II), hidróxido de cobre (II) o carbonato de cobre (II):

{\displaystyle {\ce {2 Cu(NO3)2 = 2 CuO + 4 NO2+ O2}}}{\displaystyle {\ce {2 Cu(NO3)2 = 2 CuO + 4 NO2+ O2}}}

{\displaystyle {\ce {Cu(OH)2 (s) = CuO (s) + H2O (l)}}}{\displaystyle {\ce {Cu(OH)2 (s) = CuO (s) + H2O (l)}}}

{\displaystyle {\ce {CuCO3 = CuO + CO2}}}{\displaystyle {\ce {CuCO3 = CuO + CO2}}}

El óxido de cobre (II) es un óxido básico, así se disuelve en ácidos minerales tales como el ácido clorhídrico, el ácido sulfúrico o el ácido nítrico para dar las correspondientes sales de cobre (II):

{\displaystyle {\ce {CuO + 2 HNO3 = Cu(NO3)2 + H2O}}}{\displaystyle {\ce {CuO + 2 HNO3 = Cu(NO3)2 + H2O}}}

{\displaystyle {\ce {CuO + 2 HCl =CuCl2 + H2O}}}{\displaystyle {\ce {CuO + 2 HCl =CuCl2 + H2O}}}

{\displaystyle {\ce {CuO + H2SO4 = CuSO4 + H2O}}}{\displaystyle {\ce {CuO + H2SO4 = CuSO4 + H2O}}}

Reacciona con álcali concentrado para formar las correspondientes sales cuprato.

{\displaystyle {\ce {3 XOH + CuO + H2O = X3[Cu(OH)6]}}}{\displaystyle {\ce {3 XOH + CuO + H2O = X3[Cu(OH)6]}}}

Puede reducirse a cobre metálico usando hidrógeno o monóxido de carbono:

{\displaystyle {\ce {CuO + H2 = Cu + H2O}}}{\displaystyle {\ce {CuO + H2 = Cu + H2O}}}

{\displaystyle {\ce {CuO + CO = Cu + CO2}}}{\displaystyle {\ce {CuO + CO = Cu + CO2}}}

6 0
3 years ago
Other questions:
  • A bug travels at the rate of 3 miles/hours. How fast is this in um/nsec
    15·1 answer
  • What is MOST likely to be TRUE about most forensic scientists?
    11·1 answer
  • Chlorine forms a number of oxides with the following oxidation numbers: 1, 3, 4, 6, and 7. These compounds are stable and neutra
    12·1 answer
  • Give the major organic products from the oxidation with KMnO4 for the following compounds. Assume an excess of KMnO4.
    8·1 answer
  • Which of the following is the correct ( unbalanced) equation for the reaction that takes place when solid phosphorus combines wi
    12·1 answer
  • Which is it , if you are right I will give brainliest
    9·2 answers
  • Predict the shape of the molecule....
    15·1 answer
  • Water can keep engines operating at low temperatures. Which property of water most likely gives it this ability?
    11·1 answer
  • HELP ME PLEASE PLEASE PLEASE IM TAKING A TIMED TEST
    9·2 answers
  • A metal object is to be gold-plated by an electrolytic procedure using aqueous AuCl3 electrolyte. How much gold may be deposited
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!