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Romashka-Z-Leto [24]
2 years ago
11

Name the two gases that make up most of the air.​

Chemistry
2 answers:
ddd [48]2 years ago
5 0

Answer:

Air is mostly gas

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.

Explanation:

plz mar k me brainlist

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Karolina [17]2 years ago
5 0
The 2 gases that make up most of the air is nitrogen and oxygen.
Hope this helps
Pls mark as brainliest
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3. What do the most abundant elements in Earth's atmosphere have in common?​
Advocard [28]

Answer:

They all have: nitrogen :780,900 755,100

oxygen: 209,500 231,500

argon 9,300 12,800

carbon dioxide

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8 0
3 years ago
Which shows the correct order of increasing trophic level, from producer to tertiary consumer?
polet [3.4K]

Answer:

Grass, deer, wolf, fungi.

Explanation:

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Fungi play important role in ecosystem to help in breakdown of dead organic matter and return nutrients to the soil. Without fungi nutrients cannot cycle in an ecosystem, and causing the breakdown of entire food web.

6 0
2 years ago
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Look closely at the valence electrons in all eight columns of your table from part C. Which element's location does not
maw [93]

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5 0
2 years ago
How many molecules are in 2.50 moles of co2
zmey [24]

Answer:

1.51 \times 1024 \:  \: molecules

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2 years ago
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If an experiment with 10.2 g barium chloride produced 14.5 g silver chloride, calculate thr experimental mole ratio of silver ch
Leni [432]
The  experimental  mole ratio  of silver chloride  to  barium chloride  is calculated as below

fin the mole of each compound

mole= mass/molar  mass
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moles of BaCl2 = 10.2 g/208 g/mol =  0.049  moles of BaCl2

find the  mole ratio  by dividing each mole with the smallest  mole(0.049)

AgCl= 0.102/0.049 =2
BaCl2 = 0.049/0.049 =1
therefore  the mole   ratio   AgCl to  BaCl2  is  2 :1
3 0
3 years ago
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