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e-lub [12.9K]
3 years ago
15

How can the speed of solvent molecules be slowed down?

Chemistry
1 answer:
Damm [24]3 years ago
3 0

Answer:

D

Explanation:

When molecules absorb energy they speed up and have a more forceful collision with solute molecules.

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How many moles of solute are contained in a 250 ml solution that has a concentration of.85 m?
oksano4ka [1.4K]
Volume = 250 mL in liters : 250 / 1000 => 0.25 L

Molarity = 0.85 M

Number of moles:

n = M x V

n = 0.85 x 0.25

n = 0.21 moles

Choice B
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Iodine (i2) and bromine (br2) are soluble in mineral oil and slightly soluble in water. why? suggest another solvent, hexane or
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Bromine and Iodine are both totally soluble in mineral oil because these substances are all made up of non-polar molecules. And because water is a polar molecule, Bromine and Iodine is not soluble in it.

Non polar solvents contain bonds that have similar electronegativity, an example of this is carbon and hydrogen such as gasoline. Some other examples are pentane, hexane, benzene and toluene.

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What do you mean by fractional column?​
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3 years ago
Read 2 more answers
Table salt is sodium chloride and has the chemical formula of NaCl. What is the ratio of sodium atoms to chlorine atoms? (8.5D)
astra-53 [7]

Answer:

Explanation:Table salt is sodium chloride and has the chemical formula of NaCl. What is the ratio of sodium atoms to chlorine atoms? (8.5D)

Answer

А 2:1

B

1:1

С

1:2

D

3:1

7 0
3 years ago
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