Chemistry Worksheet – Wavelength, frequency, & energy of electromagnetic waves. Show ALL equations, work, units, and significant figures in performing the following calculations. Identify the type of radiation in each problem. (Use your electromagnetic spectrum) C = λν E = hν 8 C = 3.00 x 10 m/s h = 6.626 2 x 10-34 J-s (or J/Hz) 1 eV = 1.602 x 10-19 J 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. What is the wavelength of a wave having a frequency of 3.76 x 1014 s-1? What is the frequency of a 6.9 x 10-13 m wave? What is the wavelength of a 2.99 Hz wave? What is the wavelength of a 1.28 x 1017 Hz wave? What is the frequency of a 7.43 x 10-5 m wave? What is the frequency of a 2,600 cm wave? What is the wavelength of a 4.34 x 1015 /s wave? What is the frequency of a 2, 110 Ǻ wave? What is the frequency of a 5.6 x 1010 μm wave? What is the wavelength of 109.6 MHz wave? What is the energy of a 7.66 x 1014 Hz wave? What is the frequency of a wave carrying 8.35 x 10-18 J of energy? What is the frequency of a 1.78 x 10-15 J wave? What is the energy of a 3.12 x 1018 s-1 wave? What is the frequency of a 1.31 x 10-22 J wave? What is its wavelength? What is the wavelength of a 7.65 x 10-17 J wave? What is the energy of a 3,990 Ǻ wave? What is the energy of a 9,330 cm wave? What is the wavelength of a 1.32 x 10-6 eV wave? What is the energy in electron-volts (eV) of a 4.22 μm wave? What is the wavelength of a 1.528 x 10-13 J wave? What is the de Broglie wavelength of Schrödinger’s cat, Albert, running to his food bowl? Albert has a mass of 5200 g and is running at 1.6 m/s. What is the de Broglie wavelength of a bowling ball rolling down a bowling alley lane? Assume the mass of the ball is 4500 g and it is moving a 4.12 m/s. 24. 25. What is the de Broglie wavelength of a flea midway through its jump? Assume the mass of the flea is 4.50 x 10-4 g and it is moving a 1.00 m/s. Calculate the wavelength of a motorcycle of mass 275 kg traveling at a speed of 125 km/hr.