The bright-red color of highway safety flares comes from strontium ions in salts such as Sr(NO3)2 and SrCO3. Burning a flare produces strontium ions in excited states, which then emit red photons at 606 nm and several wavelengths between 636 and 688 nm. Calculate the energy (in Joules per mole) of the 683 nm emission.

Chemistry for Engineering Students
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Chapter6: The Periodic Table And Atomic Structure
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Problem 6.17PAE: 6.17 The laser in most supermarket barcode scanners operates at a wavelength of 632.8 nm. What is...
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The bright-red color of highway safety flares comes from strontium ions in salts such as Sr(NO3)2 and SrCO3. Burning a flare produces strontium ions in excited states, which then emit red photons at 606 nm and several wavelengths between 636 and 688 nm. Calculate the energy (in Joules per mole) of the 683 nm emission.

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