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MAVERICK [17]
3 years ago
11

Distillation is the process of separating liquids by using

Chemistry
2 answers:
Mekhanik [1.2K]3 years ago
6 0

Answer:

the action of purifying a liquid by a process of heating and cooling.

Explanation:

masha68 [24]3 years ago
4 0

Answer: if you have a mixture of liquids, generally of varying boiling points, Distillation is a very useful technique. One of the simplest setups involves a Round bottom Flask w/ a thermometer in the top, with its bulb at where it is near a tube angled slightly downward out into a condenser.

As the flask is heated, the more volatile (lower B.P.) liquids will rise as fumes, register a temperature, and in the condenser, become liquid again. As this process continues, and you take the fractions at differing temps,

You can efficiently separate the various components If the Boiling Points are not too similar. There is more, but this is a good start.

Explanation:

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An atom's nucleus has 92 protons and its mass number is 235. how many neutrons are in the nucleus? what is the name of the atom
STALIN [3.7K]
The mass number is the sum of the protons and neutrons in an atom. 235-92 = 143 neutrons.
Element 92 is Uranium.

Uranium is also the highest atomic number element which exists in nature. All of the rest above element 92 only exist nuclear high-energy reactions (the transuranium elements), and most experience nuclear decay very quickly and form other elements with fewer protons. 
6 0
3 years ago
There is a structure of CH3CH2CHCHCH2CH3, with a –CH2CH3 group attached to the third and fourth carbons.
NARA [144]

Explanation:

2,3-diethyl hexane

At first we select a long chain.

Then, we number that chain from that side where substituent position is closer.

Then, we write it's IUPAC name

Position of substituent + substituent name + chain name + suffix

Here,

2,3 + -diethyl + hex + -ane

= 2,3-diethyl hexane

7 0
2 years ago
Space shuttle tiles, sandstone, and the glass in quartz halogen lamps are all made out of the same stuff: silicon dioxide. Why d
tankabanditka [31]

Answer:

Explained

Explanation:

The bond angle between the Si-O-Si is 145° .But this can also vary between 100° and 170°,  It is because of which the changes in properties is happening. Bond angles can affect the hybridization, lone pair repulsion and electronegativity.

Thus , Space shuttle tiles, sandstone, and the glass in quartz have different properties and are used according to their property.

5 0
3 years ago
True or false? An organism may play more than one role in a food web
Arte-miy333 [17]

Answer:

True

Explanation:

Your welcome! :) Good luck!

4 0
2 years ago
If an ideal gas has a pressure of 2.97 atm, a temperature of 449 K, and has a volume of 58.35 L, how many miles of gas are in th
soldi70 [24.7K]
N = ?

T = 449 K

V = 58.35 L

P =2.97

R = 0.082

Use the clapeyron equation:

P x V = n x R x T

2.97 x 58.35 = n x 0.082 x 449

173.2995 = n x 36.818

n = 173.2995 / 36.818

n = 4.70 moles

hope this helps!



7 0
3 years ago
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