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Ch 8 Online Examples Pt1

# Ch 8 Online Examples Pt1 - hydrogen as it moves from n = 3...

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HODSON CHE 1301 Petrucci Ch8 Example Problems The following problems are taken from old exams ...... 1. How many photons of light with frequency 5.50 × 10 15 Hz are required to provide 1 kJ of energy? a)   2.74 × 10 20 photons b)   4.56 × 10 –4 photons c) 1.65 × 10 44 photons d) 3.64 × 10 –18 photons e) 3.64 × 10 –16 photons 2. What is the energy in joules of the 656 nm spectral line of hydrogen. a)   1.45 × 10 –48 J b) 1.30 × 10 –22 J c) 3.03 × 10 –19 J d) 3.03 × 10 –28 J e) 4.35 × 10 –31 J 3. Calculate the wavelength in meters of light absorbed by an electron in an atom of
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Unformatted text preview: hydrogen as it moves from n = 3 to n = 6. a) 8.22 × 10 –7 m b) 1.09 × 10 –6 m c) 3.28 × 10 –6 m d) 1.65 × 10 –11 m e) 1.83 × 10 –7 m 4. What is the wavelength of a ball that is 25.0 g traveling at 90.0 miles per hour (40.2 m/s)? a) 1.07 × 10 –30 m b) 2.42 × 10 –11 m c) 6.59 × 10 –34 m d) 6.59 × 10 –37 m e) 4.12 × 10 –37 m 5. Which of the following is not possible? a) 4d b) 2s c) 2p d) 5p e) 3f 6. Which of the following subshells is correctly designated? a) 3f 2 b) 4d 11 c) 2p 6 d) 3s 3 e) 1p 5...
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