Wavelength and Frequency Video Lessons

Concept: The Electromagnetic Spectrum

# Problem: A 1.00 mL ampule of a 0.150 M solution of naphthalene in hexane is excited with a flash of light. The naphthalene emits 19.9 J of energy at an average wavelength of 349 nm.What percentage of the naphthalene molecules emitted a photon?

###### Problem Details

A 1.00 mL ampule of a 0.150 M solution of naphthalene in hexane is excited with a flash of light. The naphthalene emits 19.9 J of energy at an average wavelength of 349 nm.

What percentage of the naphthalene molecules emitted a photon?

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Wavelength and Frequency concept. You can view video lessons to learn Wavelength and Frequency. Or if you need more Wavelength and Frequency practice, you can also practice Wavelength and Frequency practice problems.

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Our tutors rated the difficulty ofA 1.00 mL ampule of a 0.150 M solution of naphthalene in hex...as medium difficulty.

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Our expert Chemistry tutor, Sabrina took 7 minutes and 13 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Michael's class at UNC.