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3 years ago

Identify the major functional groups for biomolecules and list compounds where each are found

1 answer:

4 0

Reactive atoms such as oxygen, nitrogen and phosphorus are present in many organic molecules. ...Although it may be confusing, carbonyl and carboxyl functional groups (R―COOH) have similar names for a reason. ...Amines are organic molecules containing an amino group (R―NH2).

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Suppose you dissolve 0.1 moles of 1-aminobutane (NH2-CH2-CH2-CH2-CH3) in 1.0 liter of water. a. What are all of the molecules an

sdas [7]

Answer:

a) The two compounds you will expect in these solution are 1-aminobutane and its conjugate acid.

b) The greatest total amount is of 1-aminobutane.

c) The least total amount is of the conjugate acid.

Explanation:

The equilibrium in water of 1-aminobutane is:

CH₃(CH₂)₃NH₃⁺ ⇄ CH₃(CH₂)₃NH₂ + H⁺

a) The two compounds you will expect in these solution are 1-aminobutane and its conjugate acid.

b) The equlibrium constant is: K = 1,66x10⁻¹¹.

That means you will have 1-aminobutane:Conjugate acid in a ratio of 6x10¹⁰ : 1 .

The greatest total amount is of 1-aminobutane

c) Thus, The least total amount is of the conjugate acid.

I hope it helps!

7 0

3 years ago

Steve is performing a titration, where a base is at an unknown concentration. What should he choose as his indicator solution?St

lidiya [134]

Answer:

Explanation:

4 0

3 years ago

Two electrons are found in the same atom. One has the quantum number set (3, 2, 0, +?), and the other has the quantum number set

Vilka [71]

D. Same energy level but different sublevel.

<h3>Explanation</h3>

There are four quantum numbers [1]:

n, the principal quantum number,
l, the orbital angular momentum quantum number,
 $m_l$ , the magnetic quantum number, and
$m_s$ , the electron spin quantum number.

As their names might suggest:

n determines the main energy level of an electron.
l determines the type of sublevel of an electron.
Each sublevel might contain more than one orbital. $m_l$ gives the orbital of an electron.
Each orbital contains up to two electrons. $m_s$ tells two electrons in the same orbital apart.

The two electrons in question come from the same atom. The question suggests that they have the same n, $m_l$ , and $m_s$ . As a result, both electrons are in main energy level n = 3. They share the same spin.

However, the two electrons differ in their value of l.

l = 2 for the first electron. It belongs to a d sublevel.
l = 1 for the second electron. It belongs to a p sublevel.

<h3>Reference</h3>

[1] Kamenko, Anastasiya, et. al, "Quantum Numbers", Physical & Theoretical Chemistry, Chemistry Libretexts, 24 Mar 2017.

7 0

4 years ago

Draw the addition products formed when one equivalent of HBr reacts with 2,4-hexadiene. (Draw a single product for each. Ignore

Tems11 [23]

Answer:

The products are 4-bromo-2-hexene and 2-bromo-3-hexene

Explanation:

The reaction starts between terminal carbon of of of the double bonds and $H^{+}$ . After attaching $H^{+}$ to the carbon, one double bond disapears leaveing nearby CH positively charged. This intermediate is a resonance hybrid of two possible structures. Reaction of bromide at one of the carbons gives the 1,2-addition product and at the other carbon gives 1,4-addition product.

7 0

4 years ago

What is a fossil?

katrin2010 [14]

The remains of an animal or plant preserved within a layer of rock I think I’m sorry if I’m wrong

6 0

3 years ago