SOLUTION: The half-life of radium is approximately 1600 years. If the present amount of radium in a certain location is 700 grams, how much will remain after 1200 years? Express your answer
Algebra.Com
Question 1025890: The half-life of radium is approximately 1600 years. If the present amount of radium in a certain location is 700 grams, how much will remain after 1200 years? Express your answer to the nearest gram
Please help me get an answer, Thank you
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
The half-life of radium is approximately 1600 years.
If the present amount of radium in a certain location is 700 grams, how much will remain after 1200 years?
Express your answer to the nearest gram
:
the formula we will use here: A = Ao*2(-t/h), where
A = remaining amt after t time
Ao = initial amt
h = half-life of substance
t = time of decay
In this problem
A = 700*2(-1200/1600)
reduce the fraction
A = 700*2(-3/4)
using a calc
A = 700 * .5946
A = 416 grams
RELATED QUESTIONS
The rate of decay of radium is said to be proportional to the amount of radium
present.... (answered by josgarithmetic,Theo)
The half-life of radium is 1690 years. If 60 grams are present now, how much will be... (answered by stanbon)
The half-life of radium is 1690 years. If 40 grams are present now, how much will be... (answered by ankor@dixie-net.com)
the half life of radium is 1690 years. if 60 grams are present now, how much will be... (answered by josgarithmetic)
the half life of radium is 1690 years if 40 grams are present now how much will be... (answered by ewatrrr)
the half life of radium is 1690 years. if 70 grams are present now, how much will be... (answered by stanbon)
Question:
The half-life of radium-223 is approximately 1143 years. Use the formula... (answered by solver91311)
The half-life of radium 226 is 1620 years. If we start with 20 grams of the element; find (answered by stanbon)
The half-life of radium is approximately 1690 years. If a laboratory has 50 mg of radium, (answered by ankor@dixie-net.com)