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Aliun [14]
3 years ago
14

Why is scientific notation useful?

Chemistry
2 answers:
BlackZzzverrR [31]3 years ago
8 0
It condenses very long strings of numbers while retaining the general accuracy of the figure.
Dmitry [639]3 years ago
5 0

Scientific notation comes in handy because it lets us take very big or very small numbers, get rid of all the zeroes,  and write them in a very compact and very simple way that's much easier to use. Also, big numbers aren't just a pain to deal with because of all the digits but they're also hard to quickly evaluate and compare with other numbers.

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Which yields H+(aq) as the only positive ion in an aqueous solution?(1) CH3CHO (2) CH3CH2OH (3) CH3COOH (4) CH3OCH3
Arte-miy333 [17]
If H+ would have to dissociate from a substance and must be the only positive ion in the solution that substance must be an acid.
CH3CHO is an aldehyde called acetaldehyde. 
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5 0
3 years ago
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Brilliant_brown [7]

Answer:

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Explanation:

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3 0
2 years ago
At 333 k, which of the pairs of gases below would have the most nearly identical rates of effusion?
rjkz [21]
E. co and n2Effusion is the process where gas escapes through a hole. Gases with a lower molecular mass effuse more speedy than gases with a higher molecular mass. R<span>elative rates of effusion is related to the molecular mass.
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e) M(CO)/M(N₂) = 28/28 = 1, <span>CO and N</span>₂ <span>have iexact molecular masses and will effuse at nearly identical rates.</span>
8 0
3 years ago
, Hydrocarbons are compounds that contain(1) carbon, only(2) carbon and hydrogen, only(3) carbon, hydrogen, and oxygen, only(4)
Firdavs [7]
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Answer (2)

hope this helps!
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3 years ago
Express 450 x 10-9 m (wavelength of blue light) in decimal notation (i.e., express
Llana [10]

Answer:

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