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stich3 [128]
3 years ago
6

The nucleus is the part of the atom that ?

Chemistry
2 answers:
Misha Larkins [42]3 years ago
7 0
The nucleus in the atom has the protons and neutrons.
umka21 [38]3 years ago
5 0

Answer:

Nucleus controls the DNA replication!

Plz mark brainliest!

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How many milliliters of a 2.00 M KBr are needed to prepare 250.0 mL of 0.60 M KBr?
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75 ml

Explanation:

I did it on a Solution Calculator online.

Heres the link to the calculator to do it yourself if you want:

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Consider the following reversible reaction. mc030-1.jpg What is the equilibrium constant expression for the given system?
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Since you have not included the given reaction, I am going to explain you how to solve these kind of problems.

1) The chemical equilibrium is a dynamic process. It means that in an equilibrim reaction there are two rectaions, the forward reaction and the reverse reaction whose velocities are the same.

2) The general equation of a a chemical reaction in equlibrium is:

aA + bB ⇄ cC + dD
Where A and B are the reactants, C and D are the products, and a, b, c, d, are the coefficientes in the balanced equation.

3) So, the equilibrium law is:

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Where Keq is the constant of equilibrium

4) To complete the explanation, I am going to deal with an example:

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H₂ (g) + I₂(g)   ⇄  2HI(g)

ii) The forward reaction is H₂ (g) + I₂(g)   →  2HI(g)

iii) The reverse reaction is 2HI (g) → H₂ (g) + I₂(g)

iv) The law of equilibrium is:

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