Problem: In fireworks, the heat of the reaction of an oxidizing agent, such as KClO  4, with an organic compound excites certain salts, which emit specific colors. Strontium salts have an intense emission at 641 nm, and barium salts have one at 493 nm. What colors do these emissions produce?

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Checking the Visible spectrum of the Electromagnetic spectrum:


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Problem Details

In fireworks, the heat of the reaction of an oxidizing agent, such as KClO  4, with an organic compound excites certain salts, which emit specific colors. Strontium salts have an intense emission at 641 nm, and barium salts have one at 493 nm. What colors do these emissions produce?

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Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.