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Romashka-Z-Leto [24]

3 years ago

11

How can the major components of air be separated

1 answer:

WARRIOR [948]3 years ago

4 0

Air can be separated into its components by means of distillation in special units. So-called air fractionating plants employ a thermal process known as cryogenic rectification to separate the individual components from one another in order to produce high-purity nitrogen, oxygen and argon in liquid and gaseous form.

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An atomic mass unit is defined as exactly

Rzqust [24]

Answer:Mass of an atom

Explanation:

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Which pair of molecules have the same empirical formula?

slavikrds [6]

C- K4O8 and K2O4
K4O8/4 =KO2
K2O4/2 =KO2

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3 years ago

How many moles are equivalent to 365 g of aluminum chloride? Using the dimensions analysis. Show work

frosja888 [35]

Answer:

≈ 2.74 mol $AlCl_{3}$

(I rounded to 3 sig figs because the starting amount has 3 sig figs.)

Explanation:

$\frac{365g AlCl_{3}}{1}*\frac{1 mol AlCl_{3}}{133.34g AlCl_{3}} =$ 2.73736313184 mol $AlCl_{3}$ ≈ 2.74 mol $AlCl_{3}$

Hope this helps!

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3 years ago

A dog whistle has a high frequency. What can you infer about the dog whistle?

zloy xaker [14]

Answer: It would have a high pitch.

Explanation: since the whistle has a high frequency, I can infer that it will have a high pitch.

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Tris {(hoch2)3cnh2} is one of the most common buffers used in biochemistry. a solution is prepared by adding enough tris and 12

shusha [124]

Given that,

The concentration of TRIS = 0.30 M

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Now, by using the Hendersonn equation,

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<span>pOH=14-pH=14-6.221 = 7.779</span>

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