Nuclear Chemistry IV. Applications.

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Nuclear Chemistry IV. Applications

A. Nuclear Power Fission Reactors Cooling Tower C. Johannesson

A. Nuclear Power Fission Reactors C. Johannesson

A. Nuclear Power Fusion Reactors (not yet sustainable) C. Johannesson

A. Nuclear Power Fusion Reactors (not yet sustainable) National Spherical Torus Experiment Tokamak Fusion Test Reactor Princeton University C. Johannesson

B. Synthetic Elements Transuranium Elements elements with atomic #s above 92 synthetically produced in nuclear reactors and accelerators most decay very rapidly

C. Radioactive Dating half-life measurements of radioactive elements are used to determine the age of an object decay rate indicates amount of radioactive material EX: 14C - up to 40,000 years 238U and 40K - over 300,000 years

Radiation treatment using D. Nuclear Medicine Radioisotope Tracers absorbed by specific organs and used to diagnose diseases Radiation Treatment larger doses are used to kill cancerous cells in targeted organs internal or external radiation source Radiation treatment using -rays from cobalt-60.

E. Nuclear Weapons Atomic Bomb chemical explosion is used to form a critical mass of 235U or 239Pu fission develops into an uncontrolled chain reaction Hydrogen Bomb chemical explosion  fission  fusion fusion increases the fission rate more powerful than the atomic bomb

F. Others Food Irradiation  radiation is used to kill bacteria Radioactive Tracers explore chemical pathways trace water flow study plant growth, photosynthesis Consumer Products ionizing smoke detectors - 241Am