Wednesday

October 1, 2014

October 1, 2014

Posted by **Queen** on Tuesday, December 7, 2010 at 8:03am.

- Chemistry -
**MathMate**, Tuesday, December 7, 2010 at 8:30amtime

= -(half life)*ln(fraction remaining)/ln(2)

= -(12.3)*(0.34)/ln(2)

= 19.1 years.

- Chemistry -
**Queen**, Tuesday, December 7, 2010 at 9:09amthanks a lot :)

- Chemistry -
**brian**, Thursday, July 26, 2012 at 12:24pmCesium-137 has a half life of 30.0 years. If initially there are 8.0 kg of cesium-137 present in a sample, how many kg will remain after 60.0 years?

**Answer this Question**

**Related Questions**

algebra - half lives - Half-life of tritium is 12.32 years. Write decay equation...

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

CHemistry - The half-life of tritium is approximately 12 years. What will be the...

Chemistry - A 25.40 g sample of water containing tritium,(3/1)H , emits 1450 ...

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

chemistry - Tritium (half-life = 12.3 y) is used to verify the age of expensive ...

Physical Science - Tritium (half-life= 12.3 y) is used to verify the age of ...

phyics - Tritium (half-life = 12.3 y) is used to verify the age of expensive ...

Chemistry - half life of tritium is 12.5 years. how much will remain after 100 ...

science - the half life of tritium is 12.5 years. How much of a 1 g sample will ...