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8_pdfsam_Quiz 7-10 solutions

8_pdfsam_Quiz 7-10 solutions - A neutral atom...

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Unformatted text preview: A neutral atom mesz (211.9918975 u) decays spontaneously Via beta decay, into a daughter neutral atom 21233131 (2119912857 1:), EL] = 931.494 MeV. In the decay, a beta particle and a neutrino (of the proper variety, either v or its anti—particle) are emitted. a. Write down the complete nuclear reaction equation, and specify the number of electrons on each component of the reaction (3 points). [$22 *4in 42:1st e: + v. ’1 m 3- Neutral 6 am, Ma} “Q 33 e” b. What is the Q of the reaction (2 points)? To Manual JFor Bf 3; 3’) use MOSS 0“) nchrotl (>1 Q= (M “Plol—— N\ mem- %§£ t1 83> ('l\\.‘lcll‘3"TlS-' imam?!)- 151W Mt? C. Calculate the total binding energy of neutral atom 21232Pb (2 points)? [Protom 1.007276 11, neutron: 1.008665 u, electron: 5.49 x 10“ 11, 111-1 1.007825 11, 421-18: 4.001506 u, 125C: 12 1.1.] 09%: E5 = [Z MUD + Nmn“ PM; )0} fiat-L04 11%)}. = [82- (001235 + momma —au.‘l‘tt...1-nxaa44§ :— ...
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