S10_Lec4N - CHM 11500 Lecture 4, 06-18-10 Nuclear Chemistry...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
CHM 11500 Lecture 4, 06-18-10 Nuclear Chemistry
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Runaway Nuclear Reactions Three Mile Island, 1979
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chernoble, 1986
Background image of page 4
Runaway Nuclear Reactions Why didn’t these reactors explode like an atomic bomb? Nuclear fuel: 3% U-235 Weapon grade uranium: 97% U-235 Different design and geometries
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Yucca Mountain
Background image of page 6
Yucca Mountain Waste container
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Yucca Mountain What’s intended to go in Yucca Mountain? The proposed Repository is planned to contain 77,000 tons of spent nuclear fuel from commercial nuclear reactors and high‑level radioactive waste from national defense activities. It could also contain the Three Mile Island reactor shell and rubble from the core. Why bury it? It’s going to be here for a long time.
Background image of page 8
First order radioactive decay 6 h 6 h 6 h 6 h t ½ = 6 h
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Question X is radioactive. How much of a sample of X is left after 3 half-lives a. 1/2 b. 1/3 c. 1/4 d. 1/8 e. Impossible to tell without knowing the initial mass of X and its half life
Background image of page 10
Pu-239 half-life is 24,000 years. How much plutonium-239 remains in a sample that initially
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 12
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/23/2011 for the course CHEM 115 taught by Professor L during the Summer '02 term at Purdue University-West Lafayette.

Page1 / 23

S10_Lec4N - CHM 11500 Lecture 4, 06-18-10 Nuclear Chemistry...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online