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PtichkaEL [24]
3 years ago
8

Among the intermolecular forces, which forces are typically the weakest?

Chemistry
2 answers:
DiKsa [7]3 years ago
8 0

Answer:

London dispersion forces

Explanation:

Ierofanga [76]3 years ago
5 0
Induced-induced interactions
(London forces)
(Dispersion forces)
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A 500 gram piece of metal had a volume of 2.75cm3. What is it’s density
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Answer:

181.82 g/cm3

Explanation:

density is mass / volume so it is 500 / 2.75=181.82 g/cm3

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3 years ago
Mole Conversion: How many molecules are there in 6.70 moles of methane, CH4 ​
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Answer:

Explanation:

1 mol of methane = 6.02 * 10^23 molecules

6.70 mol of methane = x

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x = 4.033 * 10^23 molecules.

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Proteins contain<br>a. oxygen<br>b. nitrogen <br>c. hydrogen<br>​
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All of the above

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2 years ago
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A solution contains one or more of the following ions: Ag+, Ca2+, and Fe2+. When sodium chloride is added to the solution, no pr
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Answer:

the ion present in the original solution is Ca2+

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Precipitation reactions occur when cations and anions in aqueous solution combine to form an insoluble ionic solid called a precipitate.

<u>Step1</u> : If we add Nacl to the solution, there is no precipitate formed

⇒The only possible ion that can form a precipate with Cl- is Ag+; since there is no precipitate formed, Ag+ is not present

<u>Step2</u> : If we add Na2SO4 to the solution, a white precipitate is formed

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But the white precipitate formed, points in the direction of Ca2+

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<u>Step3</u> : If we add Na2CO3 to the filtered solution, there is a precipate formed

Ca2+ will bind also with CO32- and form a precipitate

So the ion present in the original solution is Ca2+

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3 years ago
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Students are designing an experiment to test the law of conservation of mass using the following materials: 10 g baking soda, 30
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