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denis23 [38]
3 years ago
6

How many particles are there in 2.8 moles of CO2

Chemistry
1 answer:
Drupady [299]3 years ago
3 0

Answer:

Moles = Molecules / (6.0221415 x 10^23)

Explanation:

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In an alkane the mass ratio between hydrogen and carbon is 7/36. What is the formula of alkane?
ch4aika [34]

Answer:

CnH2n+2 formula

Explanation:

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Based on this diagram, which type of stars would belong to spectral class M and have the
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19. When an atom of iron loses all of its 4s electrons and one of its 3d electrons, what is its charge?
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7 0
3 years ago
How many moles of nitrogen gas are there in 16.8 L of this gas at STP?
sweet-ann [11.9K]
According to Avogadro's Law, same volume of any gas at standard temperature and pressure will occupy same volume. And one mole of any Ideal gas occupies 22.4 dm³ (1 dm³ = 1 L).

Data Given:

                  n = moles = ?
                  V = Volume = 16.8 L

Solution:
               
As 22.4 L volume is occupied by one mole of gas then the 16.8 L of this gas will contain....

                           = ( 1 mole × 16.8 L) ÷ 22.4 L
                    
                           = 0.75 moles

Result:
           
16.8 L of Nitrogen gas will contain 0.75 moles at standard temperature and pressure.
4 0
3 years ago
Which factor is responsible for the red color of Mars? Select one of the options below as your answer:
pochemuha
C.) iron oxide <span>is responsible for the red color of Mars.

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8 0
3 years ago
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