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schepotkina [342]
2 years ago
10

What is the mass of 2409793.03 particles of N2?

Chemistry
1 answer:
Yakvenalex [24]2 years ago
4 0
ANSWER



ANSWER

EVIDENCE
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What I know about the Alveoli and Gas exchange
Reptile [31]

Explanation:

What happens during gas exchange in the alveoli?

These are called alveoli. They inflate when a person inhales and deflate when a person exhales. During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs.

What is the role of alveoli in gas exchange?

The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out. Oxygen breathed in from the air passes through the alveoli and into the blood and travels to the tissues throughout the body.

7 0
2 years ago
Is the chemical equation CH4 +202 + 2H2O + CO2 balanced?
Soloha48 [4]

Answer:

I think C

Explanation:

because hydrogen on the right side only have two while on the left side it have 4

5 0
3 years ago
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Where more of hydrogen are contained in 90 g of water or in 80 g of methane
Lynna [10]
Methane.

Water - H2O
Methane - CH4

Methane has 2 more hydrogens than water.
7 0
3 years ago
When cleaning up a local beach, students found many different particles that were in the water that affected the shoreline, like
ddd [48]

Your answer is C. Both gasoline and litter would need to be physically separated from the water, because neither bonds with the water.


8 0
3 years ago
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Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pKa
GuDViN [60]

Answer:

a  H2CO3 b HCO3- and c H+ and HCO3-

Explanation:

As the pKa value of phenol is more than that of carbonic acid(H2CO3), the carbonic acid will have high Ka value than that of phenol.

  The acid that contain high Ka value act as stong acid.From that point of view H2CO3 is a strong acid than phenol as the Ka value of carbonic acid is greater than that of phenol.

  The conjugate base of H2CO3 is bicarbonate ion(HCO3-)

c The species that predorminates at equilibrium are H+ and HCO3-

8 0
2 years ago
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