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Pavlova-9 [17]
3 years ago
14

What property of the elements is considered

Chemistry
1 answer:
ASHA 777 [7]3 years ago
4 0

Answer:

electro negativity

type of elements

the number of energy levels

I hope this helps you.  I did a lot of reasearch to find the answer.  Please mark me Brainliest!  Thank you.

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Which one would it be <br> 1,2,3,4
sesenic [268]
I think it's 1. PCl5= PCl3 + Cl2. I can't tell the exact reason but it's something to do with Atomic Redox Reaction
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3 years ago
A certain metal forms a soluble nitrate salt M(NO3)3. Suppose the left half cell of a galvanic cell apparatus is filled with a 3
DiKsa [7]

Answer:

1.The electrode on the right is positive

2. 0.058V

Explanation:

The above cell is a concentration cell.

A concentration cell is an electrolytic cell that is made of two half-cells with the same electrodes, but differs in concentrations of the solutions. A concentration cell functions by diluting the more concentrated solution and concentrating the more dilute solution, creating a voltage as the cell reaches an equilibrium thereby transferring the electrons from the cell with the lower concentration to the cell with the higher concentration.

In the above cell, electrons flow from the left electrode (less concentrated) to the right electrode (more concentrated). Therefore, the right electrode is the positive electrode (cathode).

Part 2: Please, see the attachment below for the calculations.

7 0
3 years ago
CARBON MOVES THROUGH THE CARBON CYCLE IN ALL OF THE PROCESSES EXCEPT?
Crazy boy [7]
The answer is Decomposition. 
3 0
3 years ago
Read 2 more answers
BRAINLIEST ANSWER COME FAST CHEMISTRY PLZ HELP ME!!
mars1129 [50]

Subatomic particles include electrons, the negatively charged, almost massless particles that nevertheless account for most of the size of the atom, and they include the heavier building blocks of the small but very dense nucleus of the atom, the positively charged protons and the electrically neutral neutrons.


And I don't see any of the particles. so I can only answer the first one.




4 0
3 years ago
Read 2 more answers
Determine the grams of oxygen gas that reacts with 1.75 moles of hydrogen gas
Orlov [11]
The reaction between Hydrogen and Oxygen under normal conditions is characterized by the following balanced equation:
         2 H₂   +   O₂   →   2 H₂O

The mole ratio (based on the coefficient used to balance the chemical equation) of H₂  :  O₂   is  2   :   1.

Thus there are two times as many moles of H₂ in the reaction as there are moles of O₂. 

∴ if the moles of H₂  =  1.75 mol

then the moles of O₂ = 1.75 mol ÷ 2
                                    =  0.875 mol

Now, Mass =  Moles  ×  Molar Mass
Thus the mass of oxygen gas = 0.875 mol  ×  32 g/mol  =  28 g

Thus the answer is 28 grams.
4 0
3 years ago
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