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Barron's AP Chemistry(2nd Edition)
Advanced Placement Examination (Barron's How to Prepare Series)
by Neil D. Jespersen
Paperback, 562 Pages, Published 1998 by Barron's Educational Series
ISBN-13: 978-0-7641-0474-9, ISBN: 0-7641-0474-8






Chemistry
(Barron's College Review Series)
by Neil D. Jespersen, Ph D. Jespersen
Paperback, 512 Pages, Published 1997 by Barron's Educational Series
ISBN-13: 978-0-8120-9503-6, ISBN: 0-8120-9503-0

"Neil D. Jespersen. however, to go back billions of years to obtain a sample containing original amount of 238U, which is needed to determine the value for yvo. The solution to this dilemma lies in the fact that each atom of uranium ends up as an atom of lead. Therefore, if we take a rock sample and ... This could occur , for example, if randon gas, which is part of the uranium series, escaped from the rock before it decayed to the n ..."






American Government Advanced Placement, Eighth Edition(8th Edition)
by James Q. Wilson, Leslie Wilson, Todd Wilson, Neil D. Jespersen
Hardcover, 624 Pages, Published 2001 by Houghton Mifflin Company
ISBN-13: 978-0-618-24733-2, ISBN: 0-618-24733-5

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