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aksik [14]
3 years ago
5

Which of the following gases is NOT found in Earth’s atmosphere?

Chemistry
2 answers:
netineya [11]3 years ago
5 0
D. all of the above are in the atmosphere
Andrew [12]3 years ago
4 0
The answer is D. All of the above.
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Argon has 8 valence electrons and no extras, it does not require a bond in order to fill its shells, its satisfied by itself.

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Explanation:

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Is kingdom more specific taxon than family?
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What kind of charge does a neutron have?
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Neutrons actually don't carry an electrical charge, which is why they are called neutrons because they are "Neutral".


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3 years ago
How much heat is required to vaporize 25g of water at 100*c
ElenaW [278]

Answer:

Heat required = 13,325 calories or 55.75 KJ.

Explanation:

To convert a water to steam at 100 degree celsius to vapor, we have to give latent heat of vaporization to water

Which equals ,

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Where, m is the mass of water present

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Here , m= 25 gram

L equals to 533 calories (or 2230 Joules)

So, Q = 25×533 = 13,325 Calories

Or , Q = 55,750 Joules = 55.75 KJ

so, Heat required = 13,325 calories or 55.75 KJ.

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3 years ago
Which arrow would most likely represent the phase change that occurs when silver is poured into a mold and cools to become a sol
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