Chemistry, 07.10.2019 16:10 christianhernan2
In a laboratory, the balmer-beta spectral line of hydrogen has a wavelength of 486.1 nm. if the line appears in a star's spectrum at 486.4 nm, what is the star's radial velocity (in km/s)? (enter the magnitude.) km/s is it approaching or receding? approaching receding is this a blueshift or a redshift? blueshift redshift
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4786 joules of heat are transferred to a 89.0 gramsample of an unknown material, with an initialtemperature of 23.0°c. what is the specific heat of thematerialif the final temperature is 89.5 °c?
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In a laboratory, the balmer-beta spectral line of hydrogen has a wavelength of 486.1 nm. if the line...
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