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Elenna [48]
3 years ago
6

PLEASE I NEED HELP ILL GIVE BRAINLYEST

Chemistry
1 answer:
Drupady [299]3 years ago
7 0

The percentage of CO2 increased 48 percent. Hope this helped!

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Venn diagram compare and contrast cotton balls and pine cones
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Cotton ball is soft, used often, and its man mad pine cones came from trees, they give off a scent, but are mostly not used.
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Lagta ha bhaijaan sa sab bahenjaan naraz haan koi bat ni kr raha​
Fiesta28 [93]

Answer:

maybe,lol

Explanation:

5 0
3 years ago
The principal quantum number (n): specifies the maximum number of electrons. specifies the 3-D shape of the orbital. none of the
kodGreya [7K]

The principal quantum number (n): specifies the principal shell of the orbital.

The answer is option D.

The important quantum number (n) describes the dimensions of the orbital. Orbitals for which n = 2 are larger than those for which n = 1, as an example. Because they have got opposite electric costs, electrons are interested in the nucleus of the atom.

The numerals, called essential quantum numbers, imply strength degrees as well as the relative distance from the nucleus. A 1s electron occupies the energy stage nearest the nucleus.

A 2s electron, less strongly certain, spends most of its time farther far from the nucleus.

Learn more about quantum numbers here: brainly.com/question/11575590

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6 0
2 years ago
Which of the following reasons correctly explains the color changes that take place when ethylenediamine (C2N2H8) is added to th
pickupchik [31]

Answer:

The water ligands surrounding the cobalt metal center are being replaced by ethylenediamine and chloride ligands which results in a different crystal field splitting. Thus, the energy associated with electron transitions between the do-orbitals will differ for the two compounds showing a color change.

Explanation:

The five d-orbitals are usually degenerate. Upon approach of a ligand, the d-orbitals split into two sets of orbitals depending in the nature of the crystal field.

The magnitude of crystal field splitting is affected by the nature of the ligand. Ligands having filled p-π orbitals such as ethylenediamine lead to greater crystal field splitting.

The change in the colour that takes place when ethylenediamine is added to the solution of cobalt(II) chloride occurs due to a different crystal field splitting pattern. Thus, the energy associated with electron transitions between the d-orbitals now differ for the two compounds showing a color change.

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3 years ago
Is cellulose living material?
Natasha_Volkova [10]
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