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mart [117]
2 years ago
13

Determine which pair of atoms has the greatest polarity.

Chemistry
2 answers:
nexus9112 [7]2 years ago
5 0
According to the <span> chart represented above, I have determined the pair of atoms which has the greatest polarit and I am pretty sure that it is the first option from the scale :</span>A. Al-Si. I consider this to be correct due to their incredible difference <span>difference in electronegativity.
Hope it helps!</span>
vichka [17]2 years ago
5 0

Answer: Option (C) is the correct answer.

Explanation:

Atoms which have high difference in electronegativity will be more polar in nature.

This is because more electronegative atom will attract the electrons more towards itself. And, this causes development of a partial negative charge on the electronrgative and a partial positive charge will develop on the atom from which electrons have been withdrawn.

For example, N-H will be polar in nature because of the difference in electronegativity of N and H.

Whereas Al-Si, S-Cl, and C-N are all non-metals with not much difference in electronegativity.

Thus, we can conclude that N-H pair of atoms has the greatest polarity.

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When doing a recrystallization what observations would prompt
Volgvan
<h2>Observation of purified crystals.</h2>

Explanation:

  • Recrystallization is the process in which a compound is dissolved in a hot solvent and then allowed to cool which forms the crystals.
  • It is a technique used for purification of solids.
  • Recrystallization mainly depends on the solubility of the solvent that means the solid should be soluble in the solvent when it is hot and should be insoluble in the same solvent when it is cool.
  • The observations while doing recrystallization is to observe the purified crystals obtained and to filter it out.

5 0
2 years ago
Nts
a_sh-v [17]

The reaction is a synthesis reaction.

<h3>What are synthesis reactions?</h3>

Synthesis reactions are one of the numerous reactions in chemistry. These kinds of reactions involve the combination of two atoms of different elements resulting in the formation of new compounds.

Synthesis reactions are sometimes referred to as combination reactions, simply because they have to do with the combination of two or more atoms of different elements into a single compound.

The different elements that combine are referred to as the reactants while the result of the combination is known as the product.

For example: A + B --> AB

In the illustrated reaction, N2 combined with H2 to form NH3. N2 and H2 gases are the reactants while NH3 is the only product formed from the two reactants.

This is a good example of a synthesis/combination reaction.  

More on synthesis reactions can be found here: brainly.com/question/24936069

#SPJ1

6 0
1 year ago
Assume the solubility of benzoic acid in ice-cold water is 1.70 g/L and the solubility of benzoic acid in hot water is 68.0 g/L.
lana [24]

Answer:

The volume of water needed to recrystallize 0.700 g of benzoic acid is 10.29 mL.

Explanation:

For the complete recrystalization,

the amount of hot water should be such that, the benzoic acid is completely soluble in it.

As we are given that the solubility of benzoic acid in hot water is 68.0 g/L. Now we have to determine the volume of water is needed to recrystallize 0.700 g of benzoic acid.

we conclude that,

As, 68.0 grams of benzoic acid soluble in 1 L of water.

So, 0.700 grams of benzoic acid soluble in  of water.

The volume of water needed = 0.01029 L = 10.29 mL

conversion used : (1 L = 1000 mL)

Therefore, the volume of water needed to recrystallize 0.700 g of benzoic acid is 10.29 mL.

4 0
3 years ago
Please help! (no links)
Rus_ich [418]
It's D because I know bcz I'm smart 8 times 8 is 60-nart
5 0
2 years ago
As a sample's temperature increases, which two factors also increase? A. Particle speed B. Particle kinetic energy C. Particle b
jeyben [28]

Answer:

C.

Explanation:

It’s particle boiling point because the atoms are moving fast around the particle as possible, so there for its C..

8 0
2 years ago
Read 2 more answers
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