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Harrizon [31]
3 years ago
10

Determine the number of atoms present in 2 moles of argon gas

Chemistry
1 answer:
Reptile [31]3 years ago
4 0
2 moles x 6.02 x 10^23 maybe
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Consider the following: If the Earth's Crust are constantly moving, what
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the shape of the continents will continue to change, without even accounting for rising sea levels

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3 years ago
How many grams of CO are needed to react with an excess of Fe 2 O 3 to produce 209.7 g Fe?
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Answer:

Mass = 157.5 g

Explanation:

Given data:

Mass of CO needed  = ?

Mass of Fe formed = 209.7 g

Solution:

Chemical equation:

3CO + F₂O₃   →       2Fe + 3CO₂

Number of moles of Fe:

Number of moles = mass/ molar mass

Number of moles = 209.7 g/ 55.85 g/mol

Number of moles = 3.75 mol

Now we will compare the moles of iron and carbon monoxide.

                               Fe            :              CO

                                 2            :              3

                                3.75         ;             3/2×3.75 = 5.625 mol

Mass of CO:

Mass = number of moles × molar mass

Mass = 5.625 mol × 28 g/mol

Mass = 157.5 g

4 0
3 years ago
The earths magnetic poles are located in different areas close to its geographic poles?
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Answer:

Explanation:

The answer is true

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3 years ago
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A sample of 0.800 mol of nitrogen has a pressure of 0.600 atm and a
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274K

Explanation:

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4 years ago
What does C=o represent
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Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air. ... Carbon monoxide consists of one carbon atom and one oxygen atom, connected by a triple bond that consists of two covalent bonds as well as one dative covalent bond.  


I think it's probably not right.

7 0
3 years ago
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