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Unformatted text preview: . 3. We use the equation The first experimental point tells us that From the second point, we have Subtract the two equations to eliminate : Therefore Bonus: Substitute into one of your two original equations and solve for : Use to get the out of the exponent. Recall that has the same units as k : 1. The equations are obtained by applying the law of mass action: 2. 3. Bonus: where is approximately constant. 4. If 99.9% of the plutonium has decayed, 0.1% of it remains. Put another way, we want to know how long it takes before . We can calculate k from the half-life: From the first-order equation, we have which is Marc Roussel Mon Sep 16 15:23:07 MDT 1996...
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This note was uploaded on 03/03/2012 for the course CHEM 2000 taught by Professor Roussel during the Fall '06 term at Lethbridge College.
- Fall '06