The bright-red color of highway safety flares comes from
strontium ions in salts such as Sr(NO3)2...
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Chemistry
The bright-red color of highway safety flares comes fromstrontium ions in salts such as Sr(NO3)2 and SrCO3. Burning a flareproduces strontium ions in excited states, which then emit redphotons at 606 nm and several wavelengths between 636 and 688 nm.Calculate the energy (in Joules per mole) of the 643 nmemission.
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4.3 Ratings (747 Votes)
We know the formula of EnergyE h v h c where v
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