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A chemist identifies compounds by identifying bright lines in their spectra. She does so by heating the compounds until they glow, sending the light through a diffraction grating, and measuring the positions of first-order spectral lines on a detector 15.0 cm behind the grating. Unfortunately, she has lost the card that gives the specifications of the grating. Fortunately, she has a known compound that she can use to calibrate the grating. She heats the known compound, which emits light at a wavelength of 501 mm, and observes a spectral line 9.95 cm from the center of the diffraction pattern.

A chemist identifies compounds by identifying bright lines in their spectra. She does so by heating the compounds until they glow, sending the light through a diffraction grating, and measuring the positions of first-order spectral lines on a detector 15.0 cm behind the grating. Unfortunately, she has lost the card that gives the specifications of the grating. Fortunately, she has a known compound that she can use to calibrate the grating. She heats the known compound, which emits light at a wavelength of 501 mm, and observes a spectral line 9.95 cm from the center of the diffraction pattern.

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A chemist identifies compounds by identifying bright lines in their spectra. She does so by heating the compounds until they glow, sending the light through a diffraction grating, and measuring the positions of first-order spectral lines on a detector 15.0 cm behind the grating. Unfortunately, she has lost the card that gives the specifications of the grating. Fortunately, she has a known compound that she can use to calibrate the grating. She heats the known compound, which emits light at a wavelength of 501 nm, and observes a spectral line 9.95 cm from the center of the diffraction pattern. What is the wavelength emitted by compound A that have spectral line detected at position 8.55 cm? Express your answer with the appropriate units. ► View Available Hint(s) A₁ = Part B jell AB= [μA Xb Value 7 Value ^ x 10" Units 12 What is the wavelength emitted by compound B that have spectral line detected at position 12.15 cm? Express your answer with the appropriate units. ▸ View Available Hint(s) 1 units ? X KAE ⒸIE ?
Transcribed Image Text:A chemist identifies compounds by identifying bright lines in their spectra. She does so by heating the compounds until they glow, sending the light through a diffraction grating, and measuring the positions of first-order spectral lines on a detector 15.0 cm behind the grating. Unfortunately, she has lost the card that gives the specifications of the grating. Fortunately, she has a known compound that she can use to calibrate the grating. She heats the known compound, which emits light at a wavelength of 501 nm, and observes a spectral line 9.95 cm from the center of the diffraction pattern. What is the wavelength emitted by compound A that have spectral line detected at position 8.55 cm? Express your answer with the appropriate units. ► View Available Hint(s) A₁ = Part B jell AB= [μA Xb Value 7 Value ^ x 10" Units 12 What is the wavelength emitted by compound B that have spectral line detected at position 12.15 cm? Express your answer with the appropriate units. ▸ View Available Hint(s) 1 units ? X KAE ⒸIE ?
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