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How fast must a 138 g baseball travel in order to have a de Broglie wavelength that is equal to that of an x-ray photon with =
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Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and
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58970 ? But, it has to be 3 significant figures, right ? So, would it be 5.90e4
