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If the optical rotation of pure (R)-2-butanol is -13.5°, then you would expect the optical rotation of racemic 2-butanol to be a) -13.5° b) +13.5° c) 0° d) can't tell
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An electron is ejected from a metal with a velocity 7.78 x10^5 m/s. If the metal has a threshold frequency of 9.90 x1014 Hz, what was the wavelength of the incident photon?
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