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Aliun [14]
2 years ago
8

Which functional group is found in an ester? a central carbon is double bonded to o above, and single bonded to r below left and

right. a central carbon is double bonded to o above, and single bonded to r below left and to o r prime below right. r single bond o h. r single bond n h 2.
Chemistry
1 answer:
Dimas [21]2 years ago
6 0

Ester is characterized by a central carbon atom that is double-bonded to an oxygen atom, single-bonded to R, and single-boned to R prime.

<h3>What is an ester?</h3>

It is an organic functional group composed of the following:

  1. One central carbon atom
  2. The carbon atom is double-bonded to an oxygen atom
  3. The carbon atom is single-bonded to a primary alkyl group
  4. The carbon is single-bonded to a secondary alkyl group

Thus, the structure of an ester looks like the attached image.

More on esters can be found here: brainly.com/question/10840252

#SPJ1

       

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Just as carbon dating is used to measure the age of organic material, Argon-40 can be used to measure the age of rocks. A volcan
arsen [322]

Answer:

3.77 mg of K-40 decayed into Ar-40.

Data:

1) K-40, Ca-40, Ar-40: all three have the same atomic mass

2) 90% of the potassium-40 will decay into calcium-40

3) 10% of the potassium-40 will decay into argon-40.

4) K-40 inside the rock = 0.81 mg

5) Ar-40 trapped = 0.377 mg

Soltuion:

1) 0.377 mg of Ar-40 is the 10% of the mass of the K-40 that decayed

=> x * 10% = 0.377 mg => x * 0.1 = 0.377mg

=> x = 0.377 mg / 0.1 = 3.77 mg

That means that 3.77 mg of K-40 decayed into Ar-40. And this is the answer to the question.

Additionaly, you can analyze the content of all K-40 and Ca-40, to understand better the case.

2) The mass of the K-40 that decayed into Ca-40 is 9 times (ratio 9:1) the amount that decayed into Ar-40 =>

mass of K-40 that decayed into Ca-40 = 9 * 0.377 = 3.393 mg

3) Total amount of K-40 that decayed = amount that decayed into Ar-40 + amount that decayed into Ca-40 = 0.377mg + 3.393mg = 3.77 mg

4) Original amount of K-40 = amount of K-40 that decayed + amount of K-40 present in the rock = 3.77mg + 0.81 mg = 4.58 mg

5) amount of K-40 that decayed into Ar-40 as percent

% = [3.77 mg / 4.58mg] * 100 = 82.31 %.

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Answer:

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Explanation:

In Passive transport the energy is not essential in other for transportation to take place.it is in active transport where you see the need of energy for the process to take place.Passive transport involves the action of facilitated diffusion and osmosis.

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I guess the closest would be north pole
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The isolated atoms cannot prevail in a hybridized state as the atom in an isolated state do not form any kind of bond with the other atom, due to which the atomic orbitals do not go through the process of hybridization.  


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