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Ymorist [56]
3 years ago
9

What happens to electrons at the very end of the etc?

Chemistry
1 answer:
frutty [35]3 years ago
5 0
They are used to reduce atmosphere
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Two aqueous solutions are both at room temperature and are then mixed in a coffee cup calorimeter. The reaction causes the tempe
sergiy2304 [10]

Answer:

E. None of the above statements are true.

Explanation:

3 0
4 years ago
A secondary step in the process to produce ultra-pure silicon is to combine silicon tetrachloride with magnesium. How many grams
mariarad [96]

The mass of silicon, Si produced from the reaction is 329.41 g

<h3>Balanced equation </h3>

SiCl₄ + 2Mg —> 2MgCl₂ + Si

Molar mass of SiCl₄ = 28 + (35.5×4) = 170 g/mol

Mass of SiCl₄ from the balanced equation = 1 × 170 = 170 g

Molar mass of Si = 28 g/mol

Mass of Si from the balanced equation = 1 × 28 = 28 g

From the balanced equation above,

170 g of SiCl₄ reacted to produce 28 g of Si.

<h3>How to determine the mass of Si produced </h3>

From the balanced equation above,

170 g of SiCl₄ reacted to produce 28 g of Si.

Therefore,

2 Kg (i.e 2000 g) of SiCl₄ will react to produce = (2000 × 28) / 170 = 329.41 g of Si

Thus, 329.41 g of Si were obtained from the reaction

Learn more about stoichiometry:

brainly.com/question/14735801

8 0
3 years ago
If you had excess chlorine, how many moles of of aluminum chloride could be produced from 28.0 g of aluminum?
Flauer [41]
<span>Answer: 2Al(s) + 3Cl2(g) ---> 2AlCl3(s) Always work in moles moles = mass of substane / molar mass 2Al (s) + 3Cl (g) --> 2AlCl3 (s) moles Al = 23.0 g / 26.98 g/mol = 0.852 moles Al</span>
5 0
3 years ago
I WILL GIVE BRAINLIEST IF IT IS CORRECT
torisob [31]

Answer:

Question 6 options:

2

trough  

1

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4

wavelength  

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BRAINLYEST PLEASE

6 0
3 years ago
The molar mass of the metal oxide M2O is 231.74 g/mol. What is the molar mass of the chloride of this metal?
Semenov [28]
The molar mass of the M2O = 2(molar mass of M) + molar mass of oxygen
Molar mass of oxygen = 16
Therefore:
231.74 = 2(molar mass of M) + 16
215.74 = 2*molar mass of M
molar mass of M = 107.87 grams

Now, from the given formula, we can notice that the metal M is monovalnet and we know that chlorine is monovalent as well.
Therefore, the compound formed will be: MCl
molar mass of chlorine = 35.5 grams
Therefore,
molar mass of MCl = 107.87 + 35.5 = 143.37 grams
5 0
4 years ago
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