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Sauron [17]
3 years ago
13

Which of the following is an example of a covalent compound? ​

Chemistry
1 answer:
OLga [1]3 years ago
3 0

Answer:

CCI2

Explanation:

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If 0.278g of argon dissolves in 1.5 l of water at 62 bar, what quantity of argon will dissolve at 78 bar
irinina [24]
When P1/P2 = C1/C2

and C is the molarity which = moles/volume

so, P1/P2 = [(mass1/mw)/volume] / [(mass2/mw)/volume]

P1/P2 = (mass1/mw)/1.5L / (mass2/mw)/1.5L 

so, Mw and 1.5 L will cancel out:

∴P1/P2 = mass1 / mass2

∴ mass 2 = mass1*(P2 / P1)

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∴ the quantity of argon that will dissolve at 78 bar = 0.35 g


5 0
3 years ago
Q 9.3: how many triplets would you expect to observe in the 1h nmr spectra for o-chlorotoluene
agasfer [191]
Hello!

You would expect to observe 2 triplets in the ¹H NMR spectra for o-chlorotoluene. 

Multiplicity observed in ¹H NMR spectra when the atom couples with a neighbor ¹H atom. The multiplicity is equal to N+1 where N is the number of neighbor atoms. 

To observe a triplet, you'll need a molecule with 2 neighbor atoms. In o-chlorotoluene (shown in the figure), only protons C and D have 2 neighbor atoms (B and D; A and C, respectively), so you'll expect to see a 2 triplets. 

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3 0
4 years ago
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