A low-pressure mercury-vapor lamp has a characteristic emission line at 253 nm. Knowing that this lamp is putting out 11.8 watts of light energy, how many mercury atoms are emitted per second during operation?
1. 5.25 x 1020 atoms
2. 7.11 x 1024 atoms
3. 1.50 x 1019 atoms
4. 1.08 x 1017 atoms
5. 7.86 x 10−19 atoms
6. 4.73 x 105 atoms
Frequently Asked Questions
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 The Energy of Light concept. You can view video lessons to learn The Energy of Light. Or if you need more The Energy of Light practice, you can also practice The Energy of Light practice problems.
What is the difficulty of this problem?
Our tutors rated the difficulty ofA low-pressure mercury-vapor lamp has a characteristic emiss...as high difficulty.
How long does this problem take to solve?
Our expert Chemistry tutor, Dasha took 5 minutes and 45 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 Fakhreddine's class at TEXAS.