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makkiz [27]
3 years ago
12

Which type of substance can separated using a centrifuge?​

Chemistry
1 answer:
Natasha2012 [34]3 years ago
4 0

Answer:

Its separates the components of heterogeneous mixtures.

like examples :-

  • liquids in liquids,
  • solids in liquids,
  • solids and liquids in gases.

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A theater director reinterprets a play by replacing its classical score with
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The play will be more  appealing to a younger audience.

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A younger audience will more likely appreciate current pop hits rather than classical score.

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How many molecules of sulfur trioxide are in 78.0 grams?
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b) 5.87 E23 molecules

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Why do actinides form covalent bond?​
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An interpenetrating primitive cubic structure like that of CsCl with anions in the corners has an edge length of 664 pm. If the
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Answer:

the ionic radius of the anion r^- = 312.52 \ pm

Explanation:

From the diagram shown below :

The anion Cl^- is located at the corners

The cation Cs^+ is located at the body center

The Body diagonal length =  \sqrt{3 \ a }

∴ 2 \ r^+ \ + 2r^- \ = \sqrt{3 \ a}  \\ \\ r^+ +r^- = \frac{\sqrt{3}}{2} a

Given that :

\frac{r^+}{r^-} =0.84   (i.e the  ratio of the ionic radius of the cation to the ionic radius of

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0.84r^- \ + r^- \ = \frac{\sqrt{3}}{2}a  \\ \\  1.84 r^- = \frac{3}{2}a \\ \\ r^- = \frac{\sqrt{3}}{2*1.84}a

Also ; a =  664 pm

Then :

r^- = \frac{\sqrt{3} }{2*1.84}*664 \ pm\\ \\ r^- = 312.52 \ pm

Therefore,  the ionic radius of the anion r^- = 312.52 \ pm

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3 years ago
PLEASE HELP ASAP If an aluminum bar has a mass of 34.9 g and a density of 3.8 g/mL, what is the volume?
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92 cm^3

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