Friday

December 19, 2014

December 19, 2014

Posted by **Tritium** on Monday, November 7, 2011 at 10:40pm.

Write decay equation as

N(t) = N(subzero)e^(-rt)

where t is the time in days, N(subzero) is the starting amt of tritium and N(t) is amt of tritium at time t.

don't know how to find -r.

**Answer this Question**

**Related Questions**

chemistry - If there are 80 milligrams of a radioactive element decays to 10 ...

half life - tritium has a half life of 24.3 years .a sample of 0.1 is produced...

Gen Chem - Neptunium-239 has a half-life of 2.35 days. How many days must elapse...

physics - If the physical half-life of sulfur-35 is 87.1 days, and the biologic...

Chemistry - Uranium-238 has half life of 4.51 * 10^9 years Uranium-234 has half ...

Chemistry - The half-life of C-14 is 5700 years. If it took seven half lives for...

Chemistry - A pure sample of tritium, 3H, was prepared and sealed in a container...

Math - D.E.Q. - The half-life of a radioactive isotope is the amount of time it ...

half-life - 1. The half-life of a first-order reaction is 9.89 minutes. How many...

chemistry - Find the number of disintegrations per minute emitted by 1.1 mol of...