Calculate molar absorptivity at a wavelength
A compound of molecular weight 280 g/mol a concentration of 15.0 micrograms per ml absorbs 65 percent of radiation at a certain wavelength in a 2 cm cell. Calculate it molar absorptivity at a wavelength.
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Two loudspeakers are placed next to each other and driven by the same source at a frequency of 570 Hz. A listener is in front of the speakers and on on the line separating them, thus creating a constructive interference. What distance would one s
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