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nlexa [21]
3 years ago
11

What's a vacuum exactly

Chemistry
1 answer:
stealth61 [152]3 years ago
7 0

Answer:

Vacuum: space in which there is no matter or in which the pressure is so low that any particles in the space do not affect any processes being carried on there It is a condition well below normal atmospheric pressure and is measured in units of pressure (the pascal).-the internet gave me this answer so..

Explanation:

hope this helps :)

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<h3>What is Emission Spectrum ?</h3>

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