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bija089 [108]
3 years ago
7

Why can iron filings be used to visualize a magnetic field?

Chemistry
1 answer:
MrMuchimi3 years ago
4 0

Answer:

iron have magnetic features which connects with magnets. That's why it's used to visualise

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Len [333]

Answer:

Is this really middle school?  Im in middle school and this looks way beond what i would know, im so sorry if I am no help for this question  :(

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3 years ago
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You observe mothballs disappearing in cabinets. What do you think is the reason for this? Do all substances behave like mothball
cricket20 [7]

Answer: Mothballs have weak intermolecular forces.

No all substances do not behave like mothballs at normal conditions. Example: benzene , chloroform

Explanation:

Sublimation is a process of converting a substance from solid state to gaseous state without the formation of liquid at constant temperature.

A substance which undergoes sublimation is called as sublimating substance.

As mothballs is made of napthalene which has weak inter molecular forces of attraction between its molecules, it directly sublimes into gaseous state without leaving any residue and is called as a sublimating substance.

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3 years ago
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6 different forms of the protein could be made.

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For the given nematode worm, 6 different forms of the protein could be made. This is because of the alternative splicing that will produce 6 kinds of mRNAs. We have 2 different forms for the exon 4 while we have 3 differen forms for the exon 7. Therefore, we have a total of (2*3) 6 different forms of the protein for the given nematode worm.

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Which Formula represents an asymmetrical molecule?
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The answer is NH3 I hope this helps y’all out....
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