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frozen [14]
3 years ago
13

How many atoms in:

Chemistry
1 answer:
Olin [163]3 years ago
4 0

Answer:

I think it might be:

NiO=2

CuO=4

BaO=2

Explanation:

Hope this helps.

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Help pls match allll
AleksAgata [21]
2-A
1-B
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I hope this helped:)

8 0
3 years ago
The gas that makes up about 12 percent of the earths atmosphere is ?
ElenaW [278]

Answer:

You may be referring to the gas that makes up 21% of the earth's atmosphere, which is oxygen.

Explanation:

According to NASA, the gases in Earth's atmosphere include:

Nitrogen — 78 percent

Oxygen — 21 percent

Argon — 0.93 percent

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(Trace amounts of neon, helium, methane, krypton and hydrogen, as well as water vapor)

7 0
3 years ago
Which statement best describes the movement of atoms in solid
ser-zykov [4K]
Atoms according to the kinetic molecular theory, are described in a solid to simply be vibrating in fixed positions, and not moving rapidly in the container. Because of this, they take a fixed volume and have fixed shape.
7 0
3 years ago
How many moles of SO2 are required to produce 0.45 mole CS2?
Kaylis [27]

Answer: The moles of carbon needed will be, 13.8 moles

Explanation: Moles of  = 5.52 mole

Now we have to calculate to moles of carbon.

The given balanced chemical reaction is,

From the balanced chemical reaction, we conclude that

As, 2 mole of  react to give 5 moles of carbon

So, 5.52 mole of  react to give  moles of carbon

Therefore, the moles of carbon needed will be, 13.8 moles

4 0
3 years ago
Read 2 more answers
Methane from ohio's rose valley coal mine has successfully been used to power fuel cells. since the fuel used in these cells is
kirill [66]

Methane in fuel cells are not burned and therefore, help to reduce pollutants commonly associated with fossil fuel combustion.

<h3>What are fossil fuels?</h3>

Fossils fuels are fuels wgich are produced from fossils which have decomposed under intense heat and pressure over a long period of time.

Fossils fuels include:

  • methane
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  • kerosene
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Fossils fuels combustion release pollutants into the atmosphere and have greatly contributed to global warming.

Since methane in fuel cells are not burned, it will help to reduce pollutants commonly associated with fossil fuel combustion.

Learn more about fossil fuels at: brainly.com/question/79954

3 0
2 years ago
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