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chem midterm - I L 60 pts Please explain in words A Max...

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Unformatted text preview: I) L . 60 pts. Please explain in words: A) Max Planck’s idea B) Bohr’s hypothesis C) Broglie’s idea A\ W :15 06W. OSaLbUd'er 4:8; cook/Lox ' W m “PM" "fim' . “W77 :7. M 050%,er 0M Maw. mama vaiuLS. 11) 60 pts. A) Sketch the Coulomb potential for He+ andH on the same graph. B) Calculate the ionization energies for both and explain why the values are different. C) Sketch the ground and first excited states radial wave functions (on the same graph as the potential in part A) for both He+ and H and clearly show the differences between them. III) 80 pts. A particle of mass 9.1x10'31 kg is constrained to move in 1-D square well potential V(y) with L=0.53x10'” m. A) What are the boundary conditions for all regions in this potential and sketch the potential energy diagram. B) Calculate the wavelength of a transition between the ground and first excited states. Which part of the spectrum does this transition correspond to? C) Sketch and explain (i.e., where is the particle most likely to be found, or not found) the shapes of the ground and excited states radial probability densities. Va) ”0/ 1135 \)-_—_ 00 XLo or ><>L //// /// fl =0 o OLXLL o L \ C? e) % 1 3 (U- oztgx,o'3”js\ AF, = 3le ~_ fl 2 camp-Katy IO 7‘3le <7 C‘M XIO’“ ‘03) (055500”‘xm31 - if): Quuztpwawfie) Box/roams?” _ fi’ 1 - A E 1““ ,M Lo» ‘4” X/o”§ 3 CB fimnd flaw-k, 7W No “W145 \5‘} EXCA‘ROl 913'» ;——7 Own. moclL ...
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