Sunday
October 26, 2014

Homework Help: chem

Posted by lisa on Tuesday, October 5, 2010 at 8:59pm.

Po-218 is an alpha emitter with a half-life of 3.0 minutes. If a sample contains 69 mg of Po-218, how many alpha emissions would occur in 6.0 minutes?

the answer has to be _________a emmisions (which I have no idea what it means)
and I use a chart thing with amount, #H-L, and time passed as the collums.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - Po-218 is an alpha emitter with a half-life of 3.0 minutes. If a ...
chem - Po-218 is an alpha emitter with a half-life of 3.0 minutes. If a sample ...
Chemistry - A 1.50- gas sample at 722 and 25.0 contains 7.56 radon-220 by volume...
Chemistry - A 1.50- gas sample at 735 and 25.0 contains 5.00 radon-220 by volume...
chemistry - the half-life of polonium-218 is 3.0 minutes. what percentage of the...
chemistry - A 1.50 liter gas sample at 745mm HG and 25 celsius contains 3.55% ...
Chemistry - A 1.50- gas sample at 722 and 25.0 contains 7.56 radon-220 by volume...
science - If the half-life of a 20.0g is known to be 24 minutes, how long will ...
trig - FInd the exact value pf the 6 trig function of alpha Given: point (-2,-6...
physics - 1. Vector B is in the third quadrant, therefore its x and y components...

Search
Members