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A person is exposed for three days to identical amounts of two different nuclides that emit positrons of roughly equal energy. The half-life of nuclide A is 18.5 days and the half-life of nuclide B is 255 days.
Part A:
Which of the two nuclides posses the greater health risk?
Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water.) tf and tb?
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