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4 years ago

What can happen due to competition with a population?

Chemistry

1 answer:

Svetlanka [38]4 years ago

5 0

The weaker of the population would eventually die and resources would become scarce

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Draw the lewis structure for butanal, which has the condensed formula ch3(ch2)2cho. show all hydrogen atoms and lone pairs of el

sergejj [24]

There are 10 hydrogen atoms that bind and there are 2 pairs of free electrons in the non-binding O atom

<h3>Further explanation</h3>

Aldehydes are alkane-derived compounds containing carbonyl groups (-CO-) where one bond binds to an alkyl group while another binds to a hydrogen atom.

The general structure is R-CHO with the molecular formula :

$\large{\boxed{\boxed{\bold{C_nH_{2n}O}}}$

Naming is generally the same as the alkane by replacing the suffix with -al

Butanal or butyraldehyde is an aldehyde which has 4 C atoms

Inside the structure there are 3 atoms involved in bonding:

1. Atom C with 4 valence electrons, requires 4 electrons to reach the octet

2. Atom O with 6 valence electrons, requires 2 electrons to reach the octet

3. Atom H with 1 valence electron, requires 1 electron to reach a duplet

In describing Lewis's structure the steps that can be taken are:

1. Count the number of valence electrons from atoms in a molecule

2. Give each bond a pair of electrons

3. The remaining electrons are given to the atomic terminal so that an octet is reached

4. The remaining electrons that still exist in the central atom

5. If the central atom is not yet octet, free electrons are drawn to the central atom to form double bonds

In the Butanal structure (C₄H₈O) there is 1 double bond of the functional group (-CHO) between the C atom and the O atom

<h3>Learn more: </h3>

Adding electron dots

brainly.com/question/6085185

Ionic bonding

brainly.com/question/1603987

Formal charge

brainly.com/question/7190235

Keywords: butanal, aldehyde, Lewis structure, a valence electron

8 0

4 years ago

Read 2 more answers

The density of water is 1.0 g/cm3. Which of the following substances will sink in water?

Andrej [43]

IV. Molasses will sink because it has a greater density. The rest will float or suspend.

8 0

4 years ago

The kinetic energy of all the particles in a given sample of matter is the different. Question 11 options: True False

GalinKa [24]

Answer is true I'm voting

6 0

4 years ago

What is full octet composed of?

Tems11 [23]

Answer : Eight electrons

6 0

3 years ago

A chemist must prepare 900.0mL of sodium hydroxide solution with a pH of 13.90 at 25°C. She will do this in three steps: Fill a

Ierofanga [76]

Answer:

28.58 g of NaOH

Explanation:

The question is incomplete. The missing part is:

<em>"Calculate the mass of sodium hydroxide that the chemist must weigh out in the second step"</em>

To do this, we need to know how much of the base we have to weight to prepare this solution.

First we know that is a sodium hydroxide aqueous solution so, this will dissociate in the ions:

NaOH -------> Na⁺ + OH⁻

As NaOH is a strong base, it will dissociate completely in solution, so, starting with the pH we need to calculate the concentration of OH⁻.

This can be done with the following expression:

14 = pH + pOH

and pOH = -log[OH⁻]

So all we have to do is solve for pOH and then, [OH⁻]. To get the pOH:

pOH = 14 - 13.9 = 0.10

[OH⁻] = 10⁽⁻⁰°¹⁰⁾

[OH⁻] = 0.794 M

Now that we have the concentration, let's calculate the moles that needs to be in the 900 mL:

n = M * V

n = 0.794 * 0.9

n = 0.7146 moles

Finally, to get the mass that need to be weighted, we need to molecular mass of NaOH which is 39.997 g/mol so the mass:

m = 39.997 * 0.7146

3 0

4 years ago