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Romashka [77]
4 years ago
10

A science student wants to use distillation to separate a mixture of two

Chemistry
1 answer:
statuscvo [17]4 years ago
6 0

Answer:

Boiling point

Explanation:

Distillation is one of the most widely used separation technique in chemistry. It is used to separate a mixture of liquid substances with different boiling point. Hence, the basis of the separation is BOILING POINT DIFFERENCE.

In the procedure, the liquid substances are heated until they turn gaseous, which they do at different times considering their different boiling points. The separated components are then converted back to liquid states in a process called CONDENSATION.

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The vapor pressure of water at 80 °C is 355.3 torr. Calculate the vapor pressure in mm Hg and atm. Be sure your answers have the
Darya [45]

Answer:

0.4675 atm, 355.3 mmHg

Explanation:

Given:  

Pressure = 355.3 torr

The conversion of P(torr) to P(atm) is shown below:

P(torr)=\frac {1}{760}\times P(atm)

So,  

Pressure = 355.3 / 760 atm = 0.4675 atm

The conversion of P(torr) to P(mmHg) is shown below:

P(torr)=1\times P(mmHg)

So,  

Pressure = 355.3 mmHg

8 0
3 years ago
3. Is the following statement a fact, opinion or theory? Why?
Nesterboy [21]
This is an opinion. The person believes that eggs are better than cereal for breakfast. When someone else might disagree with that and say that cereal is better then eggs for breakfast.
7 0
3 years ago
A landslide<br><br>A. weathering <br>B. erosion <br>C. deposition​
likoan [24]

Answer:

Erosion

I hope u find it helpful

5 0
3 years ago
Which part of the mantle is still a solid but flows like a thick, heavy liquid?
marusya05 [52]

Hello!

Your answer is A, asthenosphere

<u>The asthenosphere is a part of the mantle</u>. It helps move the plates in the Earth.

It is <u>below the lithosphere,</u> between <u>80 and 200 km</u> below the surface.

Therfore, the asthenosphere is <u>the part of the mantle that is still a solid but flows like a thick, heavy liquid.</u>

<u />

Hope this helps!

Have a great day!

3 0
4 years ago
Read 2 more answers
How many grams of argon would it take to fill a large light bulb with a volume of 0.745 L at STP?
EastWind [94]

Answer:

Mass = 1.33 g

Explanation:

Given data:

Mass of argon required = ?

Volume of bulb = 0.745 L

Temperature and pressure = standard

Solution:

We will calculate the number of moles of argon first.

Formula:

PV = nRT

R = general gas constant = 0.0821 atm.L/mol.K

By putting values,

1 atm ×0.745 L = n × 0.0821 atm.L/mol.K× 273.15 K

0.745 atm. L = n × 22.43 atm.L/mol

n = 0.745 atm. L / 22.43 atm.L/mol

n = 0.0332 mol

Mass of argon:

Mass = number of moles × molar mass

Mass = 0.0332 mol × 39.95 g/mol

Mass = 1.33 g

8 0
3 years ago
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