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2 years ago

If charcoal and sugar were the main impurities present in crude acetanilide,

1 answer:

6 0

Charcoal (aka. Norit, activated carbon) is added during recrystallization to secure high molecular weight, colored impurites. Charcoal is added once you have a hot saturated explanation of the desired product, and, once added, needs to be released (along with the adsorbed colored impurities) by hot gravity filtration.

<h3>What is the purpose of counting activated carbon to the cordial solution during a recrystallization?</h3>

Added during a recrystallization to bind high molecular weight, colored impurites.

<h3>What is the purpose of charcoal in purification of chemicals?</h3>

The huge surface area of activated charcoal gives it countless connecting sites. When certain chemicals pass next to the carbon surface, they stick to the surface and are entangled.

Activated charcoal is good at trapping other carbon-based pollutants ("organic" chemicals), as well as things like chlorine.

To learn more about recrystallization, refer

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Which chemical formula shows two atoms of iron (Fe) and three atoms of oxygen (O)?

Taya2010 [7]

Fe O
2 3 is what i would put

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3 years ago

Mengapa garam NaNO2 dapat membirukan kertas lakmus merah? Jelaskan dengan reaksi kimianya!

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3 years ago

Determine what type of compound is shown below:

34kurt

Answer:

Polar

Explanation:

Methanol is not electrostatic

It's not metallic as it has no metals in it

It's not ionic as coordinate bonding is made.

It's polar as a lone pair is present over OH-

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2 years ago

Consider the following four structures: What is the relationship of I and II? What is the relationship of I and III? What is the

daser333 [38]

Answer:

The different structures are shown in the attachment.

I and II - structural isomers

I and III - Structural isomers

I and IV - structural isomers

II and III - structural isomers

II and IV - structural isomers

III and IV - stereoisomers

Explanation:

The knowledge of Isomerism is tested here; there are two types of isomerism ; structural and stereoisomerism.

Structural Isomers have similar molecular and different double bond positioning, these occurs mostly in ALKENE FAMILY.

Stereo-isomers have the same molecular formular and similar patterns but differ in their spatial arrangement. trans and cis are typical examples of stereo-isomers.

From the question; Relationship between I and II is that they are structural isomers since they have the same molecular formula, but different bond atom arrangement and infact they are the same compound.

Relationship between I and III is that they are structural isomers with similar molecular formular but differ in the double bond position.

Relationship between I and IV is that they are structural isomers with similar molecular formula but different double bond arrangement.

Relationship between II and III is that they are structural isomers with similar molecular formular but different double bond position

Relationship between II and IV is that they are also structural isomers with the same molecular formular but different double bond position.

Relationship between III and IV is that they are stereo-isomers with same molecular formula but different spatial arrangement, hence cis and trans.

4 0

3 years ago

A scuba diver that ascends to the surface too quickly can experience decompression sickness, which occurs when nitrogen that dis

Butoxors [25]

Answer:

The factor that will change the volume of the diver's lungs upon reaching the surface is 4

Explanation:

Given data:

Pressure increases 1 atm = 101.325 kPa

34 ft = 10.3632 m

Depth of 102 ft = 31.0896 m

Question: What factor will the volume of the diver's lungs change upon arrival at the surface, V₂/V₁ = ?

The pressure at 31.0896 m:

$P_{1} =101.325+(\frac{31.0896}{10.3632} *101.325)=405.3kPa$

The factor will the volume of the diver's lungs change upon arrival at the surface:

$\frac{V_{2}}{V_{1} } =\frac{P_{1}}{P_{2}} =\frac{405.3}{101.325} =4$

5 0

3 years ago