Ask Experts Questions for FREE Help !
Ask
    Wildcat14's Avatar
    Wildcat14 Posts: 1, Reputation: 1
    New Member
     
    #1

    Apr 14, 2016, 09:51 PM
    Science
    Lead-214 has a half life of 27 minutes if you started with 500 grams of this isotope how many grams would you have after 54 minutes
    ebaines's Avatar
    ebaines Posts: 12,129, Reputation: 1307
    Expert
     
    #2

    Apr 15, 2016, 09:27 AM
    Every 27 minutes the amount of radioactive material is cut in half. So, starting with 500 grams, at T=27 minutes half of that original amount is remaining. And then after an additional 27 minutes (i.e. at T=54 minutes) half of the amount you had at T=27 minutes is remaining. How much is that?

Not your question? Ask your question View similar questions

 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Can you suggest a topic for my science investigatory project in life science? [ 0 Answers ]

Can you suggest a topic for my science investigatory project on life science for high school?

Science investigaroty project title-physical science category [ 1 Answers ]

I want to look for our title defense for tomorrow in research

What is a good science fair title if my science fair question is... [ 2 Answers ]

Which salt will cool a beverage the fastest with ice and water. And can u make my question better


View more questions Search