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3 years ago

What is a reason why ethers have low water solubility?

Chemistry

2 answers:

professor190 [17]3 years ago

6 0

Ethers can't form hydrogen bonds with water and so have a low solubility

hope that helps

Shkiper50 [21]3 years ago

5 0

Answer:

Ethers have nonpolar carbon chains.

Explanation:

Solubility is related to intermolecular forces. In order to solubilize in water, a compound must have favorable interactions with water through intermolecular forces, in order to separate the water molecules from each other.

The carbon chains on either side of the oxygen in the ether are nonpolar and are unable to form hydrogen bonds. They can only interact with the water through London dispersion forces, which are the weakest of the intermolecular forces. The water molecules prefer to hydrogen bond with each other rather than solubilize the ether.

The oxygen of the ether can hydrogen bond with the water, but the nonpolarity of the carbon chains overwhelms this interaction.

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What is the average yearly rate of change of carbon-14 during the first 5000 years?

erica [24]

Answer:

The average yearly rate of change of carbon-14 during the first 5000 years = 0.0004538 grams per year

Explanation:

Given that the mass of the carbon 14 at the start = 5 gram

At the end of 5,000 years we will have;

$A = A_0 \times e^{-\lambda \times t}$

Where

A = The amount of carbon 14 left

A₀ = The starting amount of carbon 14

e = Constant = 2.71828

$T_{1/2}$ = The half life

$\lambda = 0.693/T_{1/2}$

t = The time elapsed = 5000 years

λ = 0.693/ $T_{1/2}$ = 0.693/5730 = 0.0001209424

Therefore;

A = 5 × e^(-0.0001209424×5000) = 2.7312 grams

Therefore, the amount of carbon 14 decayed in the 5000 years is the difference in mass between the starting amount and the amount left

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The average yearly rate of change of carbon-14 during the first 5000 years is therefore;

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