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2 years ago

Write L values for the following energy levels. What orbital shapes exist in each of

Chemistry

1 answer:

den301095 [7]2 years ago

4 0

Answer:

n l m

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1 0 0 1s 1 2 2

��

2 0 0 2s 1 2

2 1 1,0,-1 2p 3 6 8

��

3 0 0 3s 1 2

3 1 1,0,-1 3p 3 6

3 2 2,1,0,-1,-2 3d 5 10 18

��

4 0 0 4s 1 2

4 1 1,0,-1 4p 3 6

4 2 2,1,0,-1,-2 4d 5 10

4 3 3,2,1,0,-1,-2,-3 4f 7 14 32

Explanation:

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Which liquid has the highest vapor pressure at 75°C?

Temka [501]

Answer:

1) Ethanol

Explanation:

If we will have interactions we will need more energy to break them in order to go from liquid to gas. If we need more energy, therefore, the temperature will be higher.

In this case, we can discard the propanone because this molecule don't have the ability to form hydrogen bonds. (Let's remember that to have hydrogen bonds we need to have a hydrogen bond to a heteroatom, O, N, P or S).

Then we have to analyze the hydrogen bonds formed in the other molecules. For ethanol, we will have only 1 hydrogen bond. For water and ethanoic acid, we will have 2 hydrogen bonds, therefore, we can discard the ethanol.

For ethanoic acid, we have 2 intramolecular hydrogen bonds. For water we have 2 intermolecular hydrogen bonds, therefore, the strongest interaction will be in the ethanoic acid.

The closer boiling point to the 75ºC is the ethanol (boiling point of 78.8 ºC) therefore these molecules would have enough energy to break the hydrogen bonds and to past from liquid to gas.

4 0

3 years ago

A. Energy is transferred to different forms

Luden [163]

Answer:

A. Energy is transferred to different forms .

Explanation:

Hello!

In this case, we need to consider the law of conservation of mass and energy which states that mass and energy cannot be neither created nor destroyed, just modified; it means we can rule out B. and C. so far.

Moreover, since D. is actually true for combustion reactions because they are used to provide energy in industrial operations, this is not the concern here because a combustion reaction is not considered.

Therefore the correct option is A. Energy is transferred to different forms as the energy provided by Rose is transferred to the pendulum system .

Best regards!

3 0

3 years ago

An element that speeds up chemical reactions is called a/an

mel-nik [20]

I think it is enzymes.Inside our body most of the chemical reactions are speeds up by enzymes.These enzymes decreases the minimum energy that is required for the reaction to happen. ;-]. Actually it works like a catalyst.

7 0

3 years ago

Identify the reaction type and the products. Al+F2 ->

Lady bird [3.3K]

Answer:

redox and AlF2

Explanation:

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3 years ago

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Yuri [45]

Answer: Sorry I try to download it but it not showing anything, if you take a picture of the work maybe I would do it....

Explanation:

8 0

3 years ago