A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.05 nm.92.05 nm. It then gives off a photon having a wavelength of 1736 nm.1736 nm. What is the final state of the hydrogen atom? Values for physical constants can be found in the Chempendix below.
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.05 nm.92.05 nm. It then gives off a photon having a wavelength of 1736 nm.1736 nm. What is the final state of the hydrogen atom? Values for physical constants can be found in the Chempendix below.
Quantity SymbolValue
Planck's constant h 6.62606957×10 –34 J·s
universal gas constant R 0.082057 L·atm/(mol·K) 8.3145 J/(mol·K)
8.3145 m 3 ·Pa/(mol·K)
8.3145 L·kPa/(mol·K)
0.083145 L·bar/(mol·K)
62.364 L·Torr/(mol·K)
the Avogadro constant N A6.02214129×10 23 formula units/mol
mass of an electron m e 9.10938291×10 –28 g 5.4858×10 –4 amu
mass of a proton m p 1.672621777×10 −24 g 1.007276467 amu
mass of a neutron m n1.674927351×10 −24 g 1.008664916 amu
charge on an electron e–1.602176565×10 –19C
Boltzmann constant k 1.3806488×10 –23 J/K
Faraday constant F 96485 C/mol of electrons
Rydberg constant R H1.097373×10 7 m –1 2.179872×10 –18 J
3.289842×10 15 s –1
Electric constant ε 0 8.854187817×10 –12 F/m 8.854187817×10 – 12 C 2 /(J·m)
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