Uranium-238 decays to form thorium-234 with a half-life of 4.5x109 years. What is the decay constant (per year)? How many years will it take for 75% of the uranium-238 to decay? How many years will it take for 50% of the uranium-238 to decay? How many years will it take for 25% of the uranium-238 to decay?

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Q: Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected heart…

A: The half-life and the final concentration of a reaction is related as:

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Q: 19. Decomposition of Sucrose Reacting with water in an acidic solution at 35°C, sucrose (C12H22011)…

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A: Answer is given below

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Q: The rate constant for the decay of a radioactive element is 6.66 x 10-3 day-. What is the half-life…

A: Given- Rate constant for the decay of a radioactive element= 6.66×10-3day-1

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.