Concept explainers
The Doppler effect is one of the sources of the line broadening in atomic absorption spectroscopy. Atoms moving toward the light source encounter higher-frequency radiation than atoms moving away from the source. The difference in wavelength
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Chapter 8 Solutions
Principles of Instrumental Analysis
- The Lyman series of spectral lines for the H atom, in the ultraviolet region, arises from transitions from higher levels to n = 1. Calculate the frequency and wavelength of the least energetic line in this series.arrow_forwardWhat is the kinetic energy (in J) of a neutron with a wavelength of 73.2 pm?arrow_forwardWhy is 800nm used for the wavelength when measuring the absorbance of the blue copper II sulfate solution?arrow_forward
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- On February 18, the news Mars rover landed in the Herezo Crater. It communicates with Earth via radio waves with a wavelength of 3 cm. Calculate the amount of time for this electromagentic radiation to transverse the distance of 225 x 10^6 km between Earth and Mars.arrow_forwardWhat is the wavelength in nm of a photon of light emitted from a hydrogen atom if an electron is transferred from n=4 to n=2? ( Your answer should have 4 sig figs)arrow_forwardThe spacing between the lines in the microwave spectrum of H^35Cl is 6.350× 10^11 Hz. Calculate the bond length of H^35Cl.arrow_forward
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