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Archy [21]
3 years ago
11

What precautions must be taken when mixing reagents in a separatory funnel or a centrifuge tube?

Chemistry
1 answer:
N76 [4]3 years ago
5 0

When you are mixing reagents in a separatory funnel it is important to vent it normally and do so in a method so that is it is not venting towards anybody. Also be certain to take out the stopper when draining the lower layer. If you do not take out the stopper, the pressure will not be correct, and the liquid will not pour out.

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2. What are the different areas of an electron cloud called?
Ghella [55]
Shells (electrons) - located in the cloud
nucleus- located in the center
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level 2 - 8 electrons
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5 0
4 years ago
In which orbital does an electron in a bromine atom experience the greatest effective nuclear charge?
asambeis [7]

First let us determine the electronic configuration of Bromine (Br). This is written as:

Br = [Ar] 3d10 4s2 4p5

 

Then we must recall that the greatest effective nuclear charge (also referred to as shielding) greatly increases as distance of the orbital to the nucleus also increases. So therefore the electron in the farthest shell will experience the greatest nuclear charge hence the answer is:

<span>4p orbital</span>

4 0
4 years ago
Read 2 more answers
Which of the elements are nonmetals?
Elis [28]
The answer is E and F.

Hope this helps!!
8 0
3 years ago
Read 2 more answers
How will the rate at which a solid solute dissolves change if the solution is stirred?
MakcuM [25]

Answer:

The rate at which the solute dissolves will increase.

Explanation:

If a solution is stirred, the rate at which a solute dissolves would increase substantially provided the solution is not yet saturated.

Stiring would cause more of the solution to come in contact with every part of the solute. It will increase the surface area of contact for the solution to act which will shoot up the rate of reaction. Stiring helps to bring solutes in solutions into a more close contact with the molecules or compounds of the medium.

6 0
4 years ago
PLZ HELP IT BEING TIMED!!!!!! PLZ ANSWER!!!!!
Wittaler [7]

Answer:

YIKES. a bit late. Answers include 1, 2, 3

Explanation:

6 0
3 years ago
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