The nuclide U235 has a half-life of 7.10 X 108 years; its daughter Th231 has a...
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The nuclide U235 has a half-life of 7.10 X 108 years; its daughter Th231 has a half-life of 24.6 hours. Suppose that the Th231 is separated chemically from a sample of U235. Plot, as functions of time, the relative activities of the initially pure U235 fraction, the isolated Th231 fraction, the Th231 growing in the freshly purified U235 fraction, and of the U235 itself. What kind of equilibrium is reached, if any? The nuclide U235 has a half-life of 7.10 X 108 years; its daughter Th231 has a half-life of 24.6 hours. Suppose that the Th231 is separated chemically from a sample of U235. Plot, as functions of time, the relative activities of the initially pure U235 fraction, the isolated Th231 fraction, the Th231 growing in the freshly purified U235 fraction, and of the U235 itself. What kind of equilibrium is reached, if any?
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