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Help With Chemistry!?

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  • 7 years ago

    A particle with the mass of a proton is trapped in a box. The particle falls from the n=3 state to the n=2 state and emits 0.16 meV of energy. What is the size of the box? Please report your answer in nm. Use the equation E=h^2*n^2/8*m*L^2 I've tried so many times

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