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astraxan [27]
3 years ago
15

If you drink at 2am can you pass a drug test at 6pm

Chemistry
2 answers:
-BARSIC- [3]3 years ago
5 0
No not at all  it will still be a little left in your system <span />
VikaD [51]3 years ago
3 0
Yeah...it should be out of your system by then
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What prefixes is best for measuring large quantities like the mass of a person?
Alecsey [184]
The answer is Deca foo.
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Which living thing would u expect to find in a swamp
stich3 [128]

Alligators, Crocodiles, Anacondas, Beavers, Fish , Frogs and MANY more.



~mathnerdz

6 0
3 years ago
When ionic compounds are added to water, they dissociate or break apart into ions. In the case of table salt, salt added to wate
Lostsunrise [7]

Answer:

b dissociate

Explanation:

5 0
3 years ago
how to determine the net charge of the tripeptide Asp-Gly-Leu at pH 7. Can someone show in details and tricks on how to solve it
Ugo [173]

Answer:

0!

Explanation:

  • You need to search your pKa values for Asn (2.14, 8.75), Gly (2.35, 9.78) and Leu(2.33, 9.74), the first value corresponding to -COOH, the second to -NH3 (a third value would correspond to an R group, but in this case that does not apply), and we'll build a table to find the charges for your possible dissociated groups at indicated pH (7), we need to remember that having a pKa lower than the pH will give us a negative charge, having a pKa bigger than pH will give us a positive charge:            

           

                   -COOH         -NH3              

pH 7------------------------------------------------------              

Asn               -                      +

Gly                -                      +

Leu               -                      +

  • Now that we have our table we'll sketch our peptide's structure:

<em>HN-Asn-Gly-Leu-COOH</em>

This will allow us to see what groups will be free to react to the pH's value, and which groups are not reacting to pH because are forming the bond between amino acids. In this particular example only -NH group in Ans and -COOH in Leu are exposed to pH, we'll look for these charges in the table and add them to find the net charge:

+1 (HN-Asn)

-1 (Leu-COOH)

=0

The net charge is 0!

I hope you find this information useful and interesting! Good luck!

5 0
3 years ago
HELP ME IK YOU GUYS ARE HELLA SMART
Bad White [126]

Answer:

1.200g

Explanation:

At the top it's 0 and that scale goes by 10s

The middle scale is 1 and it goes by 1s

The bottom scale is .2 and it goes by .1s

1+.2= 1.2 the extra zeroes are just place holders

1.200g

5 0
3 years ago
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