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Dahasolnce [82]
4 years ago
12

A three-component mixture of organic compounds in diethyl ether consists of a carboxylic acid, an amine base, and a neutral comp

ound. After treatment with 3 M NaOH and thorough mixing, what compound(s) will be present as major components of the aqueous phase?
a) the amine hydrochloride salt
b) the carboxylic acid
c) the amine and the neutral compound
d) the sodium carboxylate salt
Chemistry
1 answer:
Dmitrij [34]4 years ago
4 0

Answer:the sodium carboxylate salt

Explanation:

The reaction between the carboxylic acid and the sodium hydroxide yields a sodium carboxylate. This sodium carboxylate is an ionic in nature; RCCOO-Na+. This can effectively interact with water and remain in the aqueous phase since it is composed of the carboxylate ion and sodium ion in solution. The aqueous phase always contains water soluble ionic substances of which the sodium carboxylate is a typical example of such.

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How is the number of unpaired valance electrons in an atom related to the number of bonds that the atom can form?
TiliK225 [7]
It is the same amount. For example, Carbon has 4 electrons. Putting those 4 electrons in a Lewis Dot Structure will show that they are not paired, so 4 is the number of bonds Carbon can make.
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3 years ago
Drag the handle on the left and adjust the length of the box to 5 nm. (Because no other dimensions of the box change, its length
kvv77 [185]

Answer:

Length (nm) Pressure (atm)

5.0 11.7

6.0 9.8

7.0 8.4

8.0 7.2

9.0 6.6

10.0 5.8

Explanation:

This is also PLATOS answer!!

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3 years ago
100 POINTS Which observation indicates that the kinetic-molecular theory has limited use for describing a certain gas? Gas parti
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Answer:

Increasing pressure is reducing the volume of the gas

Explanation:

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5 0
4 years ago
Read 2 more answers
How many grams of gasoline would you need to burn to move your car 2.5 miles which takes 5,375 kJ? (Hrxn= 47kJ/g)
docker41 [41]

Answer:

1.1 × 10² g

Explanation:

The combustion of gasoline releases energy that is used to move the car. The enthalpy of reaction (ΔH°rxn) of the combustion of gasoline is 47 kJ/g, that is, 47 kiloJoule are produced per gram of gasoline burned. The mass of gasoline to be burned to release 5,375 kJ is:

5,375 kJ × 1 g Gasoline/47 kJ = 1.1 × 10² g

4 0
3 years ago
25.00 mL of a H2SO4 solution with an unknown concentration was titrated to a phenolphthalein endpoint with 28.11 mL of a 0.1311
LuckyWell [14K]

Answer:

Concentration of the H₂SO₄ solution is 0.0737 M

Explanation:

Equation of the neutralization reaction between the acid, H₂SO₄, and the base, NaOH, is given below:

H₂SO₄ + 2NaOH -----> Na₂SO₄ + 2H₂O

From the above equation, one mole of acid requires 2 moles of base for complete neutralization which occurs at phenolphthalein endpoint.

mole ratio of acid to base, nA/nB = 1:2

Concentration of the base, Cb = 0.1311 M

Volume of base, Vb, = 28.11 mL

Concentration of acid, Ca = ?

Volume of acid, Va + 25.0 mL

Using the formula, CaVa/CbVb = nA/nB

making Ca subject of the formula, Ca = Cb*Vb*nA/Va*nB

substituting the values into the equation

Ca = (0.1311 * 28.11 * 1) / 25.0 * 2 = 0.0737 M

Therefore, concentration of the H₂SO₄ solution is 0.0737 M

5 0
4 years ago
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