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lisov135 [29]
3 years ago
10

Which sound frequency with a human ear be able to detect? Select ALL correct answers.

Chemistry
2 answers:
Allisa [31]3 years ago
5 0

Answer:

100 HZ 1,000 HZ 10,000 HZ there you go :)

givi [52]3 years ago
5 0

Answer:

100 hertz, 1,000 hertz, and 10,000 hertz

Explanation:

I took the k12 test :)

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what is the molecular formula of the molecule thay has an empirical formula of CH20and a molar mass of 240.2 g/mol?​
worty [1.4K]

C8H16O8

Explanation:

(CH2O)n=240.2

=12n+2n+16n=240.2

=30n=240.2

n=8

C8H16O8

4 0
3 years ago
What product would you obtain if you evaporate the water from the naoh layer prior to acidifying the layer?
AlekseyPX

 The  product that you obtain if you evaporate the water from the NaoH layer prior  to acidifying the layer  is    salt of <u> para - tery-butyphenol</u>


<u><em>Explanation</em></u>

  • Para-tery-butyphenol    can be isolate after extracting it into NaOH solution  through  carrying out
  1.  heating  and  then cooling,
  2. then  3M  of HCl  is added to acidify.
  3. Then ice bath is done   if needed
  4. finally  the precipitate is filtered.
  • Para tery butyphenol  can be used  for production  of alkylphenolic.

3 0
3 years ago
Read 2 more answers
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6 0
4 years ago
SUMMARY: Write a 3-4 sentence summary about the Periodic Table.
denis23 [38]

Answer:

The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron setup, and repeating chemical properties. The structure of the table shows occasional (popular things/general ways things are going). The seven rows of the table, called periods, generally have metals on the left and nonmetals on the right. The columns, called groups, contain elements with almost the same chemical behaviours. Six groups have accepted names as well as assigned numbers: for example, group 17 elements are the halogens; and group 18 are the noble gases. Also displayed are four simple rectangular areas or blocks connected with the filling of different atomic orbitals.

Explanation:

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4 0
3 years ago
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3 years ago
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