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lara31 [8.8K]
4 years ago
14

Why does fingernail polish float on top of water?​

Chemistry
1 answer:
7nadin3 [17]4 years ago
5 0
Difference in density between the two liquids
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Convert 76.78 g of CO2 to a volume.
Jlenok [28]
Brainest please thank you
5 0
3 years ago
I need help answering numbers 8-10
gizmo_the_mogwai [7]

Answer:

The correct answer:

8)- e)2, 2 dymetilpropane

9)-  b) 2-chloropropane

10)-  b) hydroxyl

See the explanation below, please.

Explanation:

In the cases of exercises 8 and 9:

Correspond to alkanes, having 3 carbons are named with the prefix prop and suffix anus. In 8 it has 2, 2 methyl groups in carbon and 9 in a 2-carbon chlorine group.

In the case of 10, it corresponds to a 3-carbon alcohol: suffix prop, and prefix ol: 2- propanol; in group 2 it has an OH group corresponding to alcohol (hydroxyl).

8 0
3 years ago
Which of the following is the correct definition of minerals? A a naturally occurring, inorganic solid that has a crystal shape
Nataliya [291]
The correct answer for the question that is being presented above is this one: "A a naturally occurring, inorganic solid that has a crystal shape and a definite chemical composition." The correct definition of minerals is that it is a naturally occurring, inorganic solid that has a crystal shape and a definite chemical <span>composition</span>
6 0
3 years ago
N
andrey2020 [161]

Answer:

yes

Explanation:

the definition for time is correct, the definition for speed is incorrect

8 0
3 years ago
What is it about the structure of methyl alcohol that would result in two major peaks in its NMR spectrum?
UNO [17]

Explanation:

In case of methyl alcohol , i.e. , CH₃OH ,

counting the equivalent protons , there are three protons of the methyl group at are all equivalent  , and shows the chemical shift at 3.4 - 4.0 ppm , there is the increase in the chemical shift value due to the presence of an electronegative oxygen atom .

And there is one more hydrogen atom in the alcoholic functional group , and this hydrogen will also show a chemical shift at 5.0 - 5.5 ppm .

Therefore ,

Methyl alcohol will show two signals due to methyl proton and another due to OH hydrogen .

6 0
3 years ago
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