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2 years ago

What does the nucleus of the cell control?

Chemistry

1 answer:

dusya [7]2 years ago

7 0

Answer:

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The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Nucleoli are small bodies often seen within the nucleus.

Explanation:

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Is petroleum potential or kinetic energy

Sav [38]

Petroleum is a potential.
yeah that's my guess.

8 0

3 years ago

34. An electron in the 3d state of the hydrogen atom has a radial part of the wave function of the form A r2 exp(-r/3ao). What i

nikdorinn [45]

Answer: Option (e) is the correct answer.

Explanation:

Formula to calculate radius is as follows.

p(r) = $Ar(r^{2}e^{\frac{-r}{3a_{o}}}$

= $Ar^{3}e^{\frac{-r}{3a_{o}}}$

$\frac{dp(r)}{dr}$ = 0

$Ar^{3}e^{\frac{-r}{3a_{o}}}(\frac{-1}{3a_{o}}$ + $Ae^{\frac{-r}{3a_{o}}}(3r^{2})$ = 0

$\frac{Ar^{3}}{3a_{o}}e^{\frac{-r}{3a_{o}}}$

= $3Ar^{2}e^{\frac{-r}{3a_{o}}}$

r = $9a_{o}$

Thus, we can conclude that most likely radius at which the electron would be found is $9a_{o}$ .

4 0

3 years ago

State 5 negative effects hurtful words can have on people

Doss [256]

1- can cause insecurities and make people less confident
2- Words can reflect on someone’s mood throughout the day
3- might cause depression or anxiety
4- listening to negative words constantly can make the person’s mind think it’s the truth
5- might change a person

8 0

3 years ago

Definition: This is a net gain or loss of electrons.

AlekseyPX

Answer:

Elecric charge/ Electricity

Explanation:

Electric charge is the net gain or loss of electrons

I hope im right!!

3 0

2 years ago

Calcium hydroxide + hydrochloric acid → calcium chloride + water

Lubov Fominskaja [6]

Answer:

Explanation: iIt is a neutralization reaction and neutralization reaction is a reaction between and acid and base to give salt and water. In the question above, Ca(OH)2 is the base and HCl is the acid, Ca(Cl)2 is the salt and H2O.

5 0

3 years ago

Read 2 more answers