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klemol [59]
3 years ago
12

3. Complete the following table.

Chemistry
1 answer:
Vinil7 [7]3 years ago
5 0
Li and CI or C and H
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How many mL are in 7.3 dL?
Arte-miy333 [17]

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730 mL which is .73 L

Explanation:

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True or false in a chemical reaction some of the atoms will be changed into different type of atoms​
Anika [276]

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It's false

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2 years ago
what would you observe if you used a ballpoint pen instead of a pencil to mark the chromatography paper?
sveticcg [70]

Answer:

It basically messes up the results

Explanation:

Pen ink consists of resins, pigments and other colouring dyes dissolved in appropriate solvents like propylene glycol, propyl alcohol and some other ethers. If the ball point pen is used to mark on the chromatography paper then these pigments will also move along with the solvent and interfere with the spots of our analyte.

If you use a ball point pen when doing a chromatogram, then the ink would separate as it is a mixture and run down the paper.

Graphite, or pencil lead however, is not an organic material and therefore will not be affected by common organic solvents used for thin-layer chromatography. Pen ink on the other hand will be readily absorbed by the solvent and will move up the plate.

3 0
3 years ago
5. What is the systemic name for the following structure?
topjm [15]

Answer:

You are not showing the question, but I believe the answer is cis-3,4-dimethyl-3-hexene.

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since the substituents are on same side, it call cis. Followed by the name.

5 0
3 years ago
Adi loves the smell of lavender, so she decides to press a few petals of the flower until they release a few drops of oil. She w
soldier1979 [14.2K]

Answer:

See Explanation

Explanation:

What Adi failed to realize is that the oily substance that was obtained from lavender consists of a mixture of substances. It is not only the required  fragrance that is present in the extract.

This experiment will not work because those other components in the mixture may be erroneously identified when they show up in the mass spectrum of the extract and may be mistaken for the fragrance in question.

Hence the experiment will not work because; if some kind of separation method is not used to identify other impurities in the oil, many other substances may be mistaken for the actual fragrance.

4 0
3 years ago
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