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tresset_1 [31]
3 years ago
9

Why are methanol and acetone not suitable solvents for extracting organic compounds from aqueous solutions?

Chemistry
1 answer:
iogann1982 [59]3 years ago
7 0

Answer: methanol and acetone are not suitable solvents for extracting organic compounds because they are miscible with water virtually in all proportions

Explanation:

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How many Oxygen atoms are in 2NA(OH)3
Dmitry [639]

Answer:

3 oxygen atom

hope it helps.

4 0
3 years ago
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The dipole measured for HI is 0.380 D. The bond distance is 161 pm. What is the percent ionic character of the HI bond?
Feliz [49]

Answer:

Percent ionic character of HI bond is 4.91%.

Explanation:

<h3>Given Data:</h3>

Measured Dipole = 0.380D

bond distance = d = 161pm = 1.61*10^-8 cm

<h3>Calculation:</h3>

% ionic character is determined by following equation:

% ionic= (dipole measured/dipole calculated)*100

Now,

Dipole(calc)=qd

Dipole(calc)= (1.6*10^{-19}*3*10^{9})esu  *1.61*10^{-8}cm

(In above step 3*10^8 is multiplied to convert coulomb into esu)

Dipole(calc)=7.728*10^{-18} esu*cm

As,

10^{-18}esu*cm= 1D

So,

Dipole(calc)=7.728D

Now we can % ionic character using above equation:

%ionic=(0.380D/7.728D)*100

% ionic character=4.91%

5 0
4 years ago
Which ionic compound would you expect to have the highest melting point? a. Al-N b. Fe-O C. W-C
Elza [17]

Answer:

b. Fe-O

Explanation:

A way to predict melting points for ionic compounds is with electronegativity.

Electronegativity is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.

The most electronegativity difference (E.D.), the highest melting point, thus:

E.D. Al-N = 3,0 - 1,6 = <em>1,4</em>

E.D. Fe-O = 3,5 - 1,8 = <em>1,7</em>

E.D. W-C = 2,5 - 1,7 = <em>0,8</em>

The most electronegativity difference is from Fe-O, thus, this ionic compound will have the highest melting point.

I hope it helps!

8 0
4 years ago
Name two uses for seismometers
NNADVOKAT [17]
Earthquakes and volcanic eruption
8 0
3 years ago
Heating the marshmallows over the hot plate showed the idea of
zloy xaker [14]
Answer:

the answer is either B or C

explanation:

brainliest?
6 0
2 years ago
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