Practice - Information you may (or may not) find useful...

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Unformatted text preview: Information you may (or may not) find useful Constants constant value unit Plancks constant ( h ) 6 . 626 10- 34 J s Rydberg constant ( R H ) 2 . 178 10- 18 J speed of light 2.997924 10 8 m/s Avogadros number 6 . 022 10 23 gas constant (R) 8 . 31451 J/K mol gas constant (R) . 08206 L atm/K mol electron charge ( e ) 1 . 6022 10- 19 C electron mass 9 . 1094 10- 31 kg Proton mass 1 . 67252 10- 27 kg Neutron mass 1 . 67495 10- 27 kg Conversions from to conversion Fahrenheit Celsius o C = ( o F- 32 o F ) 5 o C 9 o F Celsius Fahrenheit o F = 9 o F 5 o C ( o C ) + 32 o F Celsius Kelvin K = ( o C + 273 . 15 o C ) ( 1 K 1 o C ) atm torr 1 atm = 760 torr atm Pa 1 atm = 101,325 Pa 1 1 light and matter waves a Calculate the velocity in m/s of a neutron with a wavelength of 1.45 10- 11 m. Answer: 6 points b Calculate the wavelength of the photons in a light packet composed of 3.41 10- 6 mol photons and with a total energy of 738 mJ....
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Practice - Information you may (or may not) find useful...

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