The radioactive isotope Pu-238, used in pacemakers, has a half-life of 87.7 years. If 1.9 milligrams of Pu-238 is initially present in the pacemaker, how much of this isotope (in milligrams) will remain after 256 years? Express your answer in 2 decimal places.

Q: Radioactive cobalt-56 decays with a half-life of 77.2 days. a. What is the value of k in s12 k = b.…

A: Radioactive disintegrations always happen as per first-order kinetics in which reaction rate for…

Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 × 10¹0 years. Suppose…

A: Radioactive decay is a process by which an unstable atomic nucleus loses energy by emitting…

Q: Radon, one of the noble gases, is a decay product of uranium and is itself radioactive, with a…

A:

Q: Radioactive phosphorus-32 decays with a half-life of 14.0 days. A chemist obtains a fresh sample of…

A: We have to calculate the number of days chemist have to do the experiment.

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.