Question

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

Math   Advanced-Math   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

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
A sample initially contains 200 grams of a certain radioactive isotope. After 5 hours, the amount...
A sample initially contains 200 grams of a certain radioactive isotope. After 5 hours, the amount has decayed to 177 grams. Let A(t) denote the amount (in grams) of the isotope after t hours. Assume that A ( t ) = C e ^(k t) for some constants C and k. How many hours before there is only 80 grams of the isotope?
1. Given that a freshly prepared radioactive isotope has a half-life of 10 days, the percentage...
1. Given that a freshly prepared radioactive isotope has a half-life of 10 days, the percentage of it remaining after 30 days is A 30.0 %. B 10.0 %. C 12.5 %. D 72.5 %. 2. During a second half-life, the original material has decayed A 25%. B 50%. C 75%. D 100%.
A radioactive isotope is produced at a rate of 30 grams hourly. If over long periods...
A radioactive isotope is produced at a rate of 30 grams hourly. If over long periods of time the quantity of the isotope that is present stabilizes near 2400 grams, what is the half-life of the isotope?
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
A sample of radioactive 210X initially weighed 4.000 gram. After 35 days, 0.125 gram of this...
A sample of radioactive 210X initially weighed 4.000 gram. After 35 days, 0.125 gram of this isotope remained, the rest having decayed to the stable isotope 206Q. (a) What is the half-life, in days of 210X? (b) What mass, in grams, of 206Q is formed? (Assume that isotopic masses can be approximated using mass numbers.)
A 320.3ng sample of an unknown radioactive substance was placed in storage and its mass measured...
A 320.3ng sample of an unknown radioactive substance was placed in storage and its mass measured periodically. After 47 days the amount of radioactive substance decreased to 40.04ng. How many Half lives of the unknown radioactive substance have occurred?
Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear facility is...
Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear facility is handling 150 grams of polonium-210, then how many grams of polonium-210 will be left in 210 days. Round your answer 4 decimal places and remember to use labels.
Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear facility is...
Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear facility is handling 250 grams of polonium-210, then how many grams of polonium-210 will be left in 320 days. Round your answer 4 decimal places and remember to use labels.
Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear facility is...
Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear facility is handling 300 grams of polonium-210, then how many grams of polonium-210 will be left in 270 days. Round your answer 4 decimal places and remember to use your labels.
Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear facility is...
Polonium-210 is a radioactive substance with a half-life of 138 days. If a nuclear facility is handling 255 grams of polonium-210, then how many grams of polonium- 210 will be left in 250 days. Round your answer 4 decimal places and remember to use labels. Your Answer: Answer units:
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT