What kind of chemical change do you think occurs when a banana peel turns brown in the open air?

1 answer:

6 0

Rotting, and ageing. The banana peel ages faster in open air, and therefor begins to rot. Brow peels don't mean that the banana is rotted, however, it is a sign that it may begin to rot soon.

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MaRussiya [10]

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Oxana [17]

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3 years ago

With the correct choice of acid, acid hydrolysis of ethanamide could produce A) ethanoic acid and ammonium chloride. B) ethanoic

Stells [14]

Answer:

A) Ethanoic acid and ammonium chloride.

Explanation:

Amides go through acid hydrolysis to produce carboxylic acid and ammonia by heating in aqueous acid. The acid hydrolysis reaction is produced through the nucleophilic addition of water to the protonated amide, then comes the transference of a proton from the oxygen to the nitrogen to make nitrogen a better leaving group, and finally, the subsequent elimination (see attachment).

In this case, the products formed with the reaction of ethanamide and aqueous HCl will be ethanoic acid and ammonium chloride.

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You have been observing an insect that defends itself from enemies by secreting a caustic liquid. Analysis of the liquid shows i

Yakvenalex [24]

Answer:

pH = 1.76

Explanation:

The mixture of formate and formic acid produce a buffer. The pH of the buffer is obtained using H-H equation as follows:

pH = pKa + log [A-] / [HA]

Where pH is the pH of the buffer:

pKa = -log Ka = 3.74

[A-] is molar concentration of conjugate base (Formate) = 0.015M

[HA] is molar concentration of weak acid (Formic acid) = 1.45M - 0.015M = 1.435M

Replacing:

pH = 3.74 + log [0.015M] / [1.435M]

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