5. A tiny piece of paper (produced from formerly living plant matter) taken from the Dead Sea Scrolls has an activity of 10.8 disintegrations per minute per gram of Carbon. If the initial C-14 activity was 13.6 disintegrations per minute per gram of Carbon, estimate the age of the Dead Sea Scrolls. The half-life of C-14 is 5730 years.

5. A tiny piece of paper (produced from formerly living plant matter) taken from the Dead Sea Scrolls has an activity of 10.8 disintegrations per minute per gram of Carbon. If the initial C-14 activity was 13.6 disintegrations per minute per gram of Carbon, estimate the age of the Dead Sea Scrolls. The half-life of C-14 is 5730 years.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

To find the age of a wooden box using C-14 carbon dating, the following information are collected: Specific activity = 5.22 d/min.g (disintegration per minute per gram of carbon ). C-14: Half-life = 5730 years, AO = 15.3 d /min.g (initial activity of C-14). How old is this box? 4500 Years 2400 Years 5700 Years 8900 Years
A volcanic eruption melts a large chunk of rock, and all gases are expelled. After cooling, argon- 40 accumulates from the ongoing decay of potassium-40 (half-life of potassium-40 is 1.25 x 10° yr) in the rock. When a piece of rock is analyzed, it is found to contain 1.38 mmol of potassium- 40 and 1.14 mmol of argon-40. How long ago did the rock cool?
A radioactive isotope has an activity of 9.94×104 Bq initially. After 3.35 hours the activity is 5.96×104 Bq. What is the half-life of the isotope? What is the activity after an additional 3.35 hours?
The cloth shroud from around a mummy is found to have a 14C activity of 8.3 disintegrations per minute per gram of carbon as compared with living organisms that undergo 16.3 disintegrations per minute per gram of carbon. From the half-life for 14C decay, 5715 yr, calculate the age of the shroud.
A radioactive nuclide had an activity of 1.38 x 105 dpm 60 days ago, but now has an activity of 6.05 x 104 dpm. What is the half life?
A patient is given 0.050 mg of technetium-99m, a radioactive isotope with a half-life of about 6.0 hours. How long does it take for the radioactive isotope to decay to 1.0 * 10^-3 mg? (Assume the nuclide is not excreted from the body.)
The half life for the decay of carbon-14 is 5.73 × 10³ years. Suppose the activity due to the radioactive decay of the carbon-14 in a tiny sample of an artifact made of wood from an archeological dig is measured to be 17. Bq. The activity in a similar-sized sample of fresh wood is measured to be 18. Bq. Calculate the age of the artifact. Round your answer to 2 significant digits. years x10 X
A sabretooth skeleton has a carbon-14 decay rate of 1.90 dis/min/g. If the carbon-14 decay rate in living organisms is 13.6 dis/min/g, when did the sabretooth live? The half-life of carbon-14 is 5730 years.
A bone has a carbon-14 decay rate of 4.98 disintegrations per minute per gram of carbon. If a living organism has a decay rate of 15.3 disintegrations per minute per gram of carbon, how old is the bone? The half life of carbon-14 is 5715 years.
A wood carving is found in the excavation of an abandoned settlement. A sample from this carving is found to have a C-14 content that is 25.0% of that of living trees. How old is the object? The half-life of carbon 14 is 5730 years.
What is the half-life of magnesium-20 if 1.24 seconds are required for the activity of a sample of magnesium-20 to fall to 24.0 percent of its original value?