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maria [59]
3 years ago
5

A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.05 nm. It then gives off a photon having a wave

length of 1736 nm. What is the final state of the hydrogen atom?
Chemistry
1 answer:
vodka [1.7K]3 years ago
4 0
Absorbed photon energy
Ea = hc/λ.. (Planck's equation)
Ea = hc / 92.05^-9m 

<span>Energy emitted
Ee = hc/ 1736^-9m </span>

Energy retained ..
∆E = Ea - Ee = hc(1/92.05<span>^-9 - 1/1736^-9) </span>
<span>∆E = (6.625^-34)(3.0^8) (1.028^7)
∆E = 2.04^-18 J </span>

<span>Converting J to eV (1.60^-19 J/eV)
 ∆E = 2.04^-18 / 1.60^-19
∆E = 12.70 eV </span>

<span>Ground state (n=1) energy for Hydrogen = - 13.60eV </span>

<span>New energy state = (-13.60 + 12.70)eV = -0.85 eV </span>

<span>Energy states for Hydrogen
En = - (13.60 / n²) </span>

n² = -13.60 / -0.85 = 16
n = 4
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erica [24]
Structure 1 is satisfying octet rule because each atom surrounded by 8 electrons:
The valance electron for oxygen is 6, for sulfur is 6, but for hydrogen is 1. Therefore, the molecule has <span>valance electrons. Sulfur is bonded with 4 oxygen atoms,  4 single bonds, whereas 2 hydrogen atoms are bonded with 2 oxygen atoms. 

But the actual structure is 2 but it violates octet rule since S is surrounded in this case with 12 electrons
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7 0
3 years ago
Read 2 more answers
A compound 21.20% nitrogen 6.06% hydrogen 24.30% sulfur and 48.45% oxygen. Write the empirical formula and name the compound?
egoroff_w [7]

Greetings!

<h3>To find the empirical formula you need the relative atomic mass of each element!</h3>

N = 14

H = 1

S = 32.1

<h3>You can simply change the percentages into full grams</h3>

N = 12.20

H = 6.06

S = 48.45

<h3>Then you use this to find the Number of moles = amount in grams / atomic mass</h3>

N = 12.20 ÷ 14 = 0.8714

H = 6.06 ÷ 1 = 6.06

S = 48.45 ÷ 32.1 = 1.541

<h3>Then divide each number of moles by the smallest value:</h3>

N = 0.8714 ÷ 0.8714 = 1

H = 6.06 ÷ 0.8714 = 6.9 ≈ 7

S = 1.541 ÷ 0.8714 = 1.76 ≈ 2


So that means that there are 1 Nitrogen, 7 hydrogen, and 2 sulfur. This means the empirical formula would be:

NH₇S₂


Hope this helps!

8 0
3 years ago
When a balloon is rubbed with human hair, the balloon acquires an excess static charge. This implies that some materials
MAVERICK [17]
C) can give up electrons more readily than others.
8 0
3 years ago
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I NEED HELP PLEASE! :)
riadik2000 [5.3K]

Answer:

C_{21} H_{23} NO_{5}

Explanation:

First thing is we have assume all the percents are grams so we have

68.279g C, 6.2760g H, 3.7898g N, and 21.656g O

Now convert each gram to moles by dividing the the molar mass of each element

68.279g/12.01g= 5.685 moles of C

6.2760g/1.01g= 6.214 moles of H

3.7898g N/14.01g= 0.271 moles  of N

21.656g O/ 16.00g= 1.354 moles of O

Now to find the lowest ratios divide all the moles by the smallest number of moles you found, in our case, the smallest moles is 0.271 moles of N so divide everything by that....

5.685 moles/0.271 moles ------> ~21 C

6.214 moles/0.271 moles --------> ~23 H

0.271 moles  / 0.271 moles  ---------> 1 N

1.354 moles/ 0.271 moles ----------> ~5 O

So the empirical formula is C21H23NO5 C_{21} H_{23} NO_{5}

5 0
3 years ago
O que acontece com a perspiração celular se, pro algum motivo, uma pessoa foi impedida de executar a respiração pulmonar?
12345 [234]

Answer:

I wish I spoke this languge.

Explanation:

3 0
3 years ago
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