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kipiarov [429]
3 years ago
11

PLEASE ANSWER!!!!!!!! WILL MARK BRAILIEST

Chemistry
1 answer:
Mariana [72]3 years ago
6 0
9.Pubchem
10.Oxygen
11. Selenium fluoride
12. Disilicon Hexabromide
13. sulfur tetrachloride
14.Methane
15.diboron silicide
16. Nitrogen trifluoride

PLEASE GIVE ME BRAINLIEST!
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Consider the reaction below. 2Al2O3 mc019-1.jpg 4Al + 3O2 How many moles of oxygen are produced if 11.0 mol of Al are produced?
andriy [413]

Answer: 8.25 moles of oxygen are produced.

Explanation: The reaction follows:

2Al_2O_3(s)\rightarrow 4Al(s)+3O_2(g)

By Stoichiometry,

As, 4 moles of Aluminium is produced by 2 moles of aluminium oxide

11 moles of aluminium will be produced by = \frac{2}{4}\times 11=5.5moles

Now, 2 moles of aluminium oxide produces 3 moles of oxygen, so

5.5 moles of Aluminium oxide will produce = \frac{3}{2}\times 5.5=8.25moles

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8 0
4 years ago
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What is the mass in grams of 100 atoms of carbon?
Sauron [17]

Hello!

To find the mass in grams of 100 atoms of carbon, we need to use Avogadro's number, which is 6.02 x 10^23 grams, and divide that by the total number of atoms.

Next, we would need to find how much one mole of carbon weighs. In this case, it is exactly 12 grams.

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2. Multiply by one mole of carbon

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Therefore, the mass of 100 atoms of carbon is equal to about 2.0 x 10^-21 grams.

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