1 g is placed in an evacuated tube whose volume is 5 cc
CHEMISTRY · Subjective · US High School · Chemistry · Atomic Structure & Nuclear · Atomic Structure & Nuclear
Problem
1 g Ra226 is placed in an evacuated tube whose volume is 5 cc. Assuming that each Ra nucleus yields four He-atoms which are retained in the tube, what will be the pressure of He produced at 27∘C after the end of 1590 year? t1/2 for Ra is 1590 year.