February 25, 2017

Homework Help: Chemistry

Posted by Diamond on Friday, September 21, 2012 at 12:51am.

A 1.50- gas sample at 722 and 25.0 contains 7.56 radon-220 by volume. Radon-220 is an alpha-emitter with a half-life of 55.6s

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions