Question

You are observing an unknown radioactive isotope. At 9 am, there are 17.5 g. at 7...

You are observing an unknown radioactive isotope. At 9 am, there are 17.5 g. at 7 pm, there are only 2.1 g. what is the half life of the isotope (in hours and minutes to the nearest minute)?

Math   Precalculus   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

i hope you got your answer

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
i recieved 50 grams of an unknown radioactive isotope. 30 days after recieving it there are...
i recieved 50 grams of an unknown radioactive isotope. 30 days after recieving it there are 25 grams left. Identify the half life of the substance and calculate how many days from initially recieving the isotope until there will only be 10 grams left
An unknown radioactive substance has a half-life of 3.20 hours . If 38.3 g of the...
An unknown radioactive substance has a half-life of 3.20 hours . If 38.3 g of the substance is currently present, what mass A0 was present 8.00 hours ago?
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 75.7...
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 75.7 g of 32P, how much 32P was present 6.00 days ago?
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 86.3...
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 86.3 g of 32P, how much 32P was present 3.00 days ago?
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 62.9...
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 62.9 g of 32P, how much 32P was present 6.00 days ago?
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 89.5...
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 89.5 g of 32P, how much 32P was present 8.00 days ago?
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 10.1...
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 10.1 g of 32P, how much 32P was present 4.00 days ago?
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 30.9...
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 30.9 g of 32P, how much 32P was present 4.00 days ago? in grams
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 82.7...
32P is a radioactive isotope with a half-life of 14.3 days. If you currently have 82.7 g of 32P, how much 32P was present 5.00 days ago? Please show detailed steps
Part A You are using a Geiger counter to measure the activity of a radioactive substance...
Part A You are using a Geiger counter to measure the activity of a radioactive substance over the course of several minutes. If the reading of 400. counts has diminished to 100. counts after 78.4 minutes , what is the half-life of this substance? Express your answer with the appropriate units. Part B An unknown radioactive substance has a half-life of 3.20 hours . If 26.8 g of the substance is currently present, what mass A0 was present 8.00 hours...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT