Wednesday, February 29, 2012

What is the longest wavelength of radiation that possesses the necessary energy to break the bond?

The energy from radiation can be used to cause the rupture of chemical bonds. A minimum energy of 941 kJ/ mol is required to break the nitrogen-nitrogen bond in N_2.



how would i do this?



thank you!What is the longest wavelength of radiation that possesses the necessary energy to break the bond?
I calculate the energy by molecule dividing energy by mole by Avogadro's number (6.022*10^23)

941kJ=9.41*10^5J

so energy by molecule

E= 9.41*10^5/6.022*10^23=1.563*10^-18J



I calculate the wavelength (w) given by E=hc/w



So w= hc/E = 6.6262*10^-34*3*10^8/1.563*10^-18=1.272*鈥?= 127.2nm
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