Platinum, which s widely used as a catalyst, has a work function ф (the minimum ene needed to eject an electron from the metal surface) of 9.05 x 1019 j. what is the longe wavelength of light which will cause electrons to be emitted? a) 2.196 x 107 m b) 4.553 x 10-6 m c) 5.654 x 10 m ans: a d) e) 1.370 x 1015 m > 10 nm
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Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?
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Platinum, which s widely used as a catalyst, has a work function ф (the minimum ene needed to eject...
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