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zhenek [66]
2 years ago
8

As student used a pen to draw a line across a piece of chromatography paper. he then placed a sample of dye on the drawn line fo

r analysis . is the student doing the right thing? why?​
Chemistry
1 answer:
AleksAgata [21]2 years ago
3 0

Answer is in the photo. I can only upload it to a file hosting service. link below!

tinyurl.com/wpazsebu

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The pressure is recorded as 738 mmHg.Convert this measurement to atmosphere (atm)
garri49 [273]
As we know that 760 mmHg is equal to 1 atm.

So,
If 760 mmHg is equal to   =   1 atm
Then
738 mmHg will be equal to   =   X atm

Solving for X,
                                X   =   (738 mmHg × 1 atm) ÷ 760 mmHg

                                X   =   0.971 atm

Result:
           738 mmHg
is equal to 0.971 atm.
4 0
3 years ago
H-h+cl+cl____2h-cl... calculate the energy needed to break the bond​
Elenna [48]
The energy required to break one mole of Cl - Cl bond is 242 kJ/mol
4 0
3 years ago
The wave like behavior of moving particles cannot be observed due to the.........of the particles wavelengths?
Nat2105 [25]
Answer is: 4)Mass

I really hope this helped you out!!!!
7 0
2 years ago
Read 2 more answers
Can someone please help me with my chem final!!
scoundrel [369]

Answer:

direct

Explanation:

the more dense it is the more pressure it will exert

6 0
2 years ago
23) The function of an organelle is related to its
wel

Answer:

Well, it could be B or D but I would say B.

Explanation:

The structure of an organelle is usually fit to its function so it is most likely B.

Hope this helps!

4 0
2 years ago
Read 2 more answers
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