Electromagnetic spectrum and associated calculations

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Author:
Anonymous
ID:
170240
Filename:
Electromagnetic spectrum and associated calculations
Updated:
2012-09-11 12:32:42
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Chemistry
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Description:
Advanced Higher Chemistry - Unit One - Electromagnetic spectrum and associated calculations
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  1. What is wavelength?
    It is the distance between adjacent crests or high points of a wave
  2. What is the symbol for wavelength?
    λ
  3. What is the unit for wavelength?
    Meters (m) or nanometers (nm)
  4. What is frequency?
    The number of wavelengths that pass a fixed point in one second
  5. What is the symbol for frequency?
    ν
  6. What is the units for frequency?
    Hertz (Hz)
  7. What is the speed of light?
    3 x 108 m s-1
  8. What is the relationship linking frequency, wavelength and the speed of light?
    c = νλ
  9. Electromagnetic radiation with short wavelength and high frequency is at the _________ energy end of the electromagnetic spectrum?
    high
  10. Radio waves and other radiation with long wavelengths and low frequencies are at the ________ energy end of the electromagnetic spectrum?
    low
  11. What is Planck's constant?  What is it's symbol?
    • 6.63 x 10 -34 J
    • h
  12. What is the equation used to calculate a one photon's energy?
    E = hν
  13. What is the equation used to calculate one mole of photons' energy?
    E = Lhν

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