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Yuki888 [10]
3 years ago
9

How do water molecules dissolve a salt?

Chemistry
2 answers:
Daniel [21]3 years ago
4 0

Answer:

Explanation:

The water molecules move around the salt ions

In water, the salt separates into positive and negative ions.

Svetradugi [14.3K]3 years ago
4 0

Answer:

the water gets sucked into the salt  and it breaks down that way

Explanation:

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Helium is stable compound. exists in gaseous state. the answer is gas
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If you are driving, and a fly or a bug that can fly comes in your car, and you are driving 80+ miles. Is that bug flying at 80+
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The car is carrying a volume of air that is moving at 80 mph relative to the ground. But inside the car itself, the air not moving very much. If you take the windshield out and drive a 80 mph you will smash the fly onto the back window.

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Conduction, convection and radiation can occur in variety of ways. Give another example, like the campfire picture above, where
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Explanation:

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3 years ago
The base protonation constant Kb of allantoin (C4H4N3O3NH2) is ×9.1210−6. Calculate the pH of a 1.1M solution of allantoin at 25
larisa [96]

Answer:

pH= 11.5

Explanation:

To the calculation of the <u>pH value</u>, we need to write the ionization equation first. Then using the <u>ICE table</u> and the information given by the problem we can set up the problem:

C_4H_4N_3O_3NH_2~+~H_2O->C_4H_4N_3O_3NH_3^+~+~OH^-

I                  1.1 M                                                Zero                             Zero              

C                   -X                                                   +X                                 +X

E                  1.1-X                                                   X                                   X

As next step, using the <u>equilibrium expression</u> for Kb we can replace the terms find in the ICE table and then <u>solve for X</u>, so:

Kb=\frac{[C_4H_4N_2O_3NH_3^+][OH^-]}{[C_4H_4N_3O_3NH_2]}

9.2x10^-^6=\frac{[X][X]}{[1.1-X]}

9.2x10^-^6=\frac{X^2}{1.1-X}

(9.2x10^-^6)*[1.1-X]=X^2

1.01x10^-^5~-9.2x10^-^6X-X^2=0

X=0.003173

With the value of X we can find the <u>pOH</u> (lets remember that X<u> is the concentration of OH-</u>), so:

pOH=-Log(0.003173)

pOH=2.50

Finally, we can find the <u>pH value</u> with the equation:

14~=~pH~+~pOH

14~=~2.5~+~pOH

pH=14-2.5

pH=11.5

<u>The 1.1 M allantoin solution have a pH value of 11.5</u>

4 0
3 years ago
If you doubled the volume of a sample of gas and
Dimas [21]

Answer:

1125mL

Explanation:

this can be done using general gas law

3 0
3 years ago
Read 2 more answers
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