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Some Important Equations for Midterm 1

Some Important Equations for Midterm 1 - Note for Midterm...

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1 Note for Midterm Examination Note for Midterm Examination IMPORTANT EQUATIONS THAT YOU NEED TO KNOW FOR THE SECTIONS ON ATOMIC SPECTRA AND THE BOHR ATOM 8.2 Atomic Spectra 8.2 Atomic Spectra Balmer’s formula = = 2 2 H 2 2 H n 1 - 2 1 R λ 1 or n 1 - 2 1 R c ν 8-3 Quantum Theory 3 Quantum Theory Js 10 x 6.626 h Constant s Planck' h h ν E 34 - = = = 8-3 Quantum Theory 3 Quantum Theory Rayleigh-Jeans law for a blackbody () e Temperatur Absolute T Constant s Boltzmann' k Density Energy kT 8 4 = = = = ρ λ π Rayleigh-Jeans You only need to know that the energy density is inversely proportional to the fourth power of the wavelength. 8-3 Quantum Theory 3 Quantum Theory Φ = = = - h ν h ν - h ν u m KE o 2 e 2 1 electron metal for the function" work " = Φ electron the of mass m e = electron the of velocity u = 8.4 The Bohr Atom Bohr model n th orbit radius: r n n = 1,2,… Radius Bohr the pm 52.9 a where a n r o o 2 n = =
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Some Important Equations for Midterm 1 - Note for Midterm...

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