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Olenka [21]
3 years ago
8

What are sister chromatids

Chemistry
1 answer:
Pavel [41]3 years ago
4 0
Sister chromatids are two identical copies of a single chromosome that are connected by a centromere. They occur as a result of a chromosome that  duplicated during the S phase of the cell cycle.
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Why is NCl3 not soluble in water?
stiks02 [169]

Answer:

Explanation:

NCl3 does not dissolve in water because it is a nonpolar molecule which is different with water. NCl3 is nonpolar due to the difference in electronegativities between 3 atoms of Cl and 1 atom if N2.

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Explanation:

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Solution and hydrolysis combine to create ________ in streams.
Vaselesa [24]
~Hello there!

Your question: <span>Solution and hydrolysis combine to create ________ in streams.

Your answer: </span><span>Solution and hydrolysis combine to create corrosion in streams.

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5 0
4 years ago
The electronic transition in a hydrogen atom from n = 7 to n = 2 emits electromagnetic radiation having a longer wavelength than
Tema [17]

Answer: I'll leave the answer rounded to three sig figs.

mark me brainlist

So, you can say that in a hydrogen atom, an electron located on  

n

i

=

2

that absorbs a photon of energy  

4.85

⋅

10

−

19

 

J

can make the jump to  

n

f

=

6

.

Explanation:

The question wants you to determine the energy that the incoming photon must have in order to allow the electron that absorbs it to jump from  

n

i

=

2

to  

n

f

=

6

.

A good starting point here will be to calculate the energy of the photon emitted when the electron falls from  

n

i

=

6

to  

n

f

=

2

by using the Rydberg equation.

3 0
3 years ago
Three substances are poured in a cylinder with different densities. Draw the cylinder with the three layers and identify the sub
Arlecino [84]

Explanation:

hrydhdhdhfhjfhfufufu

3 0
4 years ago
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