What percentage of original Carbon-14 remains in the heartwood of a bristlecone pine that is 4.000 x 103 years old? The half-life of carbon-14 is 5.730 x 103 years.
What percentage of original Carbon-14 remains in the heartwood of a bristlecone pine that is 4.000...
If carbon-14 has a decay half-life of 5730 years, what fraction of the original carbon-14 would you expect to remain intact in a 3000 year old parchment scroll, and why?
Some fossil bones containing 1/32 of their original amount of carbon-14 are found. How many half-lives have passed? How old are the bones? (HINT: The half-life of carbon-14 is 5,730 years. If 1/8 of the original amount of carbon-14 was present, 1/8 = 1/23 or 1/(2x2x2), therefore 3 half-lives would have passed and therefore, the bones would be 5,730 years x 3 = 17,190 years old)
18 of 30 (17 comple If a bone contains 92% of its original carbon-14, how old is the bone? (Carbon-14 has a half-life of 5730 years.) The bone is years old (Round the final answer to the nearest year as needed. Round all intermediate values to six decimal places as needed.)
The half-life of carbon-14 is 5730 yr. Archaeologists discovered a small wooden statue during a recent excavation. If the carbon-14 that remains in the bowl is 74% that of a living tree, how old is the statue? Select one: a. 1.7 × 103 yr b. 2.5 × 103 yr c. 4.2 × 103 yr d. 6.1 × 103 yr
The radioactive isotope carbon-14 is used for radiocarbon dating. The half-life of carbon-14 is years. A wooden artifact in a museum has a count that is times that found in living organisms. Estimate the age of the artifact. The radioactive isotope carbon-14 1s used for radiocarbon dating. The half-life of carbon-14 is 5730 103 years. 14 A wooden artifact in a museum has a C count that is 3.13 x 10 times that found in living organisms Estimate the age...
1.) What is the missing particle? 2.) Carbon-14 decays by beta emission and has a half-life of 5,730 years a.) Write the balanced equation for this reaction. b.) What percentage of a sample remains after 3,310 years? 3.) Bismuth-214 is an a-emitter with a half-life of 19.7 min. How long does it take for 75.0% of to decay?
1. The half-life of carbon-14 is 5730 years. A sample is found to have one-eighth the original amount of carbon-14 in it. How old is the sample? 5730 years, 716 years, 45800 years, 17200 years 2. Why wouldn't you use carbon-14 dating on a piece of shell that was estimated to be 1 million years old? Sea shells do not have radioisotopes, carbon dating is only useful on plants, uranium dating is better for items older than 1/2 million years,...
Question 11 1 pts If a tree dies and the trunk remains undisturbed for 14560 years, what percentage of original 14 C is still present? (half-life of 14 c= 5730 years) 34.0% 25.0% 82.0% O 17.0%
The half-life of Carbon-14 is 5,730 years. What is the probability that a randomly selected Carbon-14 atom will not yet have decayed in 4,000 years’ time?
An archeological artifact was subjected to radiocarbon dating. The artifact showed a carbon-14 decay rate of 12.2disintegrations/min per gram of carbon. Carbon-14 has a half-life of 5715 years, and currently living organisms decay at the rate of 15.3 disintegrations/min per gram of carbon. What is the approximate age of the artifact? Select one: A. 371 years old B. 6597 years old C. 851 years old D. 1867 years old