Data and Calculations:
Table of collected data:
cts/min vs time for your group and 1 other
Plots: (2 plots via computer, with title and axis units)
counts/minute vs time (minutes)
ln(counts/minute) vs time (minutes)
Calculations: (may be handwritten)
Ao = Initial activity (from ln(counts/minute)
vs time plot)
k = Rate constant
t1/2 = Half life (minutes)
determine k and t1/2 both graphically and mathematically (show work)
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