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Homework answers / question archive / Complete this table for visible light
Complete this table for visible light. Wavelength (nm) Frequency (s Energy (kJ/mol) Color of light Given Number Number 4.33 x 10 14 a. 693.3 271 Red Number Given: Number 5.851 x 10 14 388 b. 512 Green Given Number Number Yellow 5.18x 10 14 343 C. 579.6 Given Number Number d. 558 Blue 5.38 x 10 14 253.1 There is additional feedback available! ew this feedback by clicking on the ottom divider bar. Click on the divider ar again to hide the additional feedback. Close Incorrect
a)
relate Energy and frequency:
E = hv
E = (6.636*10^-34)(4.33*10^14) =2.8733*10^-19 J/particle
2.8733*10^-19 J/particle * 6.022*10^23 paticle s/ mol = 173030.126 J/mol = 173.03 kJ/mol
b)
E = (6.636*10^-34)(5.851*10^14) =3.882*10^-19 J/particle
3.882*10^-19 J/particle * 6.022*10^23 paticle s/ mol = 233774.04 J/mol = 233.774 kJ/mol
c)
similar
E = (6.636*10^-34)(5.18*10^14) =3.437*10^-19 J/particle
3.437*10^-19 J/particle * 6.022*10^23 paticle s/ mol = 206976.14 J/mol = 206.97 kJ/mol
d)
E = convert to J/particle
E = hv
E = (253.1 kJ/mol) --> 253100 / (6.022*10^23) = 4.202*10^-19
v = E/h = (4.202*10^-19/(6.636*10^-34) = 6.332*10^14 Hz
WL = c/v
WL = (3*10^8)/(6.332*10^14) = 4.7378*10^-7 m --> (4.7378*10^-7)(10^9) = 473.78 nm
