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Papessa [141]
2 years ago
7

Here's the question ~

Chemistry
2 answers:
Gennadij [26K]2 years ago
6 0

Answer:

Note It Down First...

Name NI

Lyman 1

Balmer 2

Paschen 3

Brackets 4

P-Fund 5

Humphrey 6

\frac{1}{ \lambda} = rh \:    \{\frac{1}{ {n}^{2} } - \frac{1}{ {n}^{2}} \} \\  \\  \frac{1}{900 \times 1 {0}^{7} } =  {10}^{5}cm \{ \frac{1}{ {n}^{2} -  \frac{1}{ { \infty }^{2} }  } \}

\frac{10^{5} }{9} = 10 ( \frac{1}{ n_{1} \: ^{2}  } - 0 ) \\  \\ n_{1} \: ^{2}  = 9 \\  \\  n_{1} = 3  \: paschen \: series\\  \\  \infty  \to3 \: is \: answer

<h2>I hope it helped you</h2>
Lelechka [254]2 years ago
3 0

Using the Rydberg formula, the spectral line of H - atom is suitable for this purpose is Paschen, ∞ → 3.

  • Using the Rydberg formula;

1/λ = RH(1/nf^2 - 1/ni^2)

Given that;

λ = wavelength

RH = Rydberg constant

nf = final state

ni = initial state

  • When final state = 3 and initial state = ∞

Then;

1/λ =  1 × 10^7 m-1 (1/3^2 - 1/ ∞^2)

1/λ =  1 × 10^7 m-1 (1/3^2 )

λ = 900 nm

Hence, the correct answer is Paschen, ∞ → 3

Learn more about the Rydberg formula; brainly.com/question/17753747

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Write the name of the alkyne next to the drawing of the molecule. (2 points)
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1) 1-Pentyne

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<h3>What is alkyne?</h3>

Molecules that contain a triple bond between two carbon atoms are known as alkynes.

1) The number of carbon on the longest chain = 5, (two carbon atoms between the triple bond) therefore the prefix is pen-

The functional group is the triple bond on the first carbon with the suffix -yne

The name of the compound is 1-Pentyne

2) There are 4 carbon atoms on the longest chain, therefore, the prefix is but-

The location of the triple bond functional group (suffix; -yne) is on the second carbon atom

Therefore, the name of the compound is But-2-yne

3) The triple bond functional group is between the only two carbon atoms, therefore, the name is Ethyne

4) The number of carbon atoms = 3, with a prefix prop-, and the functional group on the first carbon atom on the longest chain is the triple bond, with suffix -yne

Therefore, the name of the compound is 1-Propyne

5) The number of carbon atoms on the longest chain = 4, the prefix is but-

The location of the triple bond functional group (suffix -yne) is on the first carbon atom

Therefore, the name is 1-Butyne

6) The number of carbon atoms on the longest chain = 5, the prefix of the compound is pen-

The location of the triple bond functional group (suffix; -yne) is on the second carbon atom, therefore;

The name of the compound is Pent-2-yne

Learn more about alkyne here:

brainly.com/question/23508203

#SPJ1

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