1. This question is about nuclear chemisty. a) What is the age of a mummy, given a 14C activity of 8.5 min-1 g-1, The activity just before the 14C equilibrium was destroyed was 15 dis min-1 g-1 and the half-life of 14C is 5730 y. b) What should be the current activity, in dis min-1 g-1 of a wooden object believed to be 1100 years old? The activity just before the 14C equilibrium was destroyed was 15 dis min-1 g-1 and the half-life of 14C is 5730 y. c) What is the energy, in joules, associated with the α decay of 238U? (equation in picture
1. This question is about nuclear chemisty. a) What is the age of a mummy, given a 14C activity of 8.5 min-1 g-1, The activity just before the 14C equilibrium was destroyed was 15 dis min-1 g-1 and the half-life of 14C is 5730 y. b) What should be the current activity, in dis min-1 g-1 of a wooden object believed to be 1100 years old? The activity just before the 14C equilibrium was destroyed was 15 dis min-1 g-1 and the half-life of 14C is 5730 y. c) What is the energy, in joules, associated with the α decay of 238U? (equation in picture
Chapter3: Mechanisms
Section: Chapter Questions
Problem 107EQ
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1. This question is about nuclear chemisty.
a) What is the age of a mummy, given a 14C activity of 8.5 min-1 g-1, The activity just before the 14C equilibrium was destroyed was 15 dis min-1 g-1 and the half-life of 14C is 5730 y.
b) What should be the current activity, in dis min-1 g-1 of a wooden object believed to be 1100 years old? The activity just before the 14C equilibrium was destroyed was 15 dis min-1 g-1 and the half-life of 14C is 5730 y.
c) What is the energy, in joules, associated with the α decay of 238U? (equation in picture)
Transcribed Image Text:238
234Th + He
90
23U = 238.0508 u
234Th = 234.0437 u
He = 4.0026 u
%3D
%3D
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