20Afinal1-4

20Afinal1-4 - Chemistry 20A Professor Scerri Final Exam...

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Chemistry 20A Professor Scerri Final Exam PROBLEM SCORE POINTS 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 total 80 Name _____________________ Signature _____________________ ID #_______________________ Name of TA___________________
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Name ________________________________ Instructions : This exam has 8 questions on 12 pages plus a periodic table at end of exam. Verify you have the right number of pages before you begin. Write your name on each page. Raise your hand if you don't understand a question. SHOW YOUR WORK ! No credit will be given for an unsubstantiated or illegible answer. Write legibly, use proper units throughout and use significant figures in all answers. Good luck! Possibly useful information : 12 inches = 1 foot, 2.54 cm = 1 inch. h = 6.63 x 10 -34 J sec N o = 6.02 x 10 23 mol -1 c = 3.00 x 10 8 m sec -1 m e = 9.11 x 10 -31 kg 1 a.m.u. = 1.66 x 10 -27 kg 1 Å = 10 -10 m g = 9.81 m/s 1 eV = 1.602 x 10 -19 J V electrostatic (r) Q 1 Q 2 /r; K.E. =1/2mv 2 = p 2 /2m F = - V/ r λν = c E = E f - E i = ε photon = h ν h ν = h ν ο + K. E.(electron) λ mass = h mv = h p m v x = p x h 4 π Probability density = | Ψ n (r)| 2 E n = -(2.18 x 10 -18 J)Z eff 2 /n 2 ; r n = (0.529 Å)n 2 /Z eff
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This note was uploaded on 04/02/2008 for the course CHEM 20A taught by Professor Scerri during the Fall '05 term at UCLA.

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20Afinal1-4 - Chemistry 20A Professor Scerri Final Exam...

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