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Angelina_Jolie [31]
4 years ago
7

What is the sum? 3x/x-4 + x-3/2x

Chemistry
1 answer:
Ivahew [28]4 years ago
7 0

Answer:

(7x² - 7x + 12)/2x(x - 4).

Explanation:

  • To do this calculation process:

We should common the denominator by multiplying the denominators of the two terms (2x)(x - 4) and dividing each denominator by the common denominator.

So, it will be equal:

[2x(3x) + (x -4)(x - 2)]/2x(x - 4)

= [6x² + x² - 7x + 12]/2x(x - 4)

= [7x² - 7x + 12]/2x(x - 4).

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Answer:

I would expect to extract the acetic acid.

Explanation:

In the first step, since we are adding a concentrated acid,<u> it will react with the bases present in the mixture (diethylamine and ammonia) </u><u>forming salts</u><u>, </u><u>which are soluble in water</u>. Therefore, after draining the aqueous layer, we will have phenol and acetic acid left in the organic layer.

In the second step, we are adding a diluted base, so it will react with a strong acid. This compound is acetic acid, and its salt will be present in the aqueous layer. Phenol will be left on the organic layer.

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3 years ago
What is the ratio of sodium ions to bromide ions in neutral sodium bromide?
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Hydrogen peroxide can act as either an oxidizing agent or a reducing agent depending on the species present in solution. Write t
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Answer:

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Oxidation: H₂O₂(aq) ⇒ O₂(g) + 2 H⁺(aq) + 2 e⁻

Explanation:

In H₂O₂, hydrogen has the oxidation number +1 and oxygen the oxidation number -1.

In the reduction half-reaction (H₂O₂ is the oxidizing agent), H₂O₂ forms H₂O. The oxidation number of oxygen decreases from -1 to -2.

2 H⁺(aq) + H₂O₂(aq) + 2 e⁻ ⇒ 2 H₂O(l)

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H₂O₂(aq) ⇒ O₂(g) + 2 H⁺(aq) + 2 e⁻

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3 years ago
The following reaction has been reported in the chemical literature and gives a single organic product in high yield. Write the
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Answer:

Explanation:

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