Problema Solution
ANDREW MEASURES THE AMOUNT OF A VERY UNSTABLE SUBSTANCE TO BE 100 MOLES. tHE HALF LIFE OF THIS SUBSTANCE IS 3 DAYS (AFTER 3 DAYS, HALF IS GONE). WRITE AN EXPONENTIAL FUNCTION THAT MODELED THIS SITUATION WHERE Y IS THE AMOUNT OF SUBSTANCE AND X IS THE TIME IN DAYS. USE YOUR EQUATION FROM PROBLEM
28 TO COMPLETE THE CHART TO THE RIGHT.
Answer provided by our tutors
y = 100*(1/2)^(x/3)
for x = -3
y = 100*(1/2)(-3/3)
y = 200 moles
for x = 0
y = 100*(1/2)(0/3)
y = 100 moles
for x = 3
y = 100*(1/2)(3/3)
y = 50 moles
for x = 6
y = 25 moles
for x = 9
y = 12.5 moles
for x = 12
y = 6.25 moles