One-dimensional infinite potential well
An electron, trapped in a one-dimensional infinite potential well 170 pm wide, is in its ground state. How much energy must it absorb if it is to jump up to the state with n = 4?
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The class of ternary compounds called carboranes (containing the elements carbon, boron andhydrogen) have played a prominent role in many areas of fundamental chemical research.
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A sample of a compound has the following percentcomposition: 40% C, 6.67% H, and 53.3% O. Determine the empirical formula, andgiven a molecular mass of 180g, give the molecular formula.
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