Chemistry%20Test%205%20answers

Chemistry%20Test%205%20answers - Chem Test 5 45/50 The...

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Chem Test 5 45/50 The first nuclear pile went into operation in Dec 1942: Chicago, illinios Graphite rods are used in a nuclear pile: To slow neurtons so that they an be absorbed by uranium nuclei Most of the nuclear power pants currently operating in the US are classified as: Pressurized-water reactors The % of U-235 in the fuel rods of a nuclear power plant is about: 3% The 1 st major accident at a nuclear plant generating electric power on a commercial scale occurred in 1952 near: Ottawa, Canada The most serious accident at a nuclear power plant in the US occurred near: Harrisburg, Pennsylvania Finely divided particles of radioactive debris that is released into the atmosphere as a result of a nuclear explosion or accident, and that settled back to the earth is known as: Fallout The principal characteristic of a breeder reactor is: No clue, but I put conversion of U-238 to Pu-239 The amount of a radioisotope that remains after 2 half-lives have passed is: 25% The half-life of a radioisotope is:
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This note was uploaded on 04/17/2008 for the course CHE 101 taught by Professor Johnson during the Spring '08 term at Murray State KY.

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Chemistry%20Test%205%20answers - Chem Test 5 45/50 The...

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