A wooden artifact from a Chinese temple has a ¹4C activity of 37.6 counts per minute as compared with an activity of 58.2 counts per minute for a standard of zero age. Part A From the half-life for 14C decay, 5730 yr, determine the age of the artifact. Express the age in years to two significant figures. t= | ΑΣΦ 1 ? yr

A wooden artifact from a Chinese temple has a ¹4C activity of 37.6 counts per minute as compared with an activity of 58.2 counts per minute for a standard of zero age. Part A From the half-life for 14C decay, 5730 yr, determine the age of the artifact. Express the age in years to two significant figures. t= | ΑΣΦ 1 ? yr

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

The radioactive isotope 212pb has a half-life of 10.64 h. A sample containing this isotope has an initial activity (t = 0) of 55.0 pCi. Calculate the number of nuclei that decay in tl time interval between t, = 7.0 h and t, = 15.0 h. nuclei
A sample of bone is subjected to radiocarbon dating. The current decay rate observed for its carbon-14 content is 11.2 disintegrations per minute per gram of carbon. What is the age (in years) of the bone? The half-life for carbon-14 is 5.73 x 103 yrs, and the decay rate for carbon-14 in living organisms is 14.3 disintegrations per minute per gram of carbon.
Carbon-14 has a half-life of 5730 yr. A living organism has an activity of 15.2 counts per minute (cpm) per gram of carbon. If a bone is determined to have an activity of 10.5 cpm per gram of carbon, how old is the bone in the unit of years? Please report an integer.
A sample of charcoal from a ceremonial fire pit was determined to have a radiation count of 4.28 counts/sec from 14C radioactivity. If a living piece of wood displays 7.83 counts/second for the same type and size sample, how old is the piece of charcoal (assuming the wood was burned shortly after it died)? The half-life of 14C is 5730 years. O 4200 years 5000 years O 7200 years O 6700 years
Please send me the question in 20 minutes it's very urgent plz
A wooden artifact from a Chinese temple has a 14C14C activity of 39.0 counts per minute as compared with an activity of 58.2 counts per minute for a standard of zero age. From the half-life for 14C14C decay, 5730 yryr, determine the age of the artifact. Express age in 2 sig figs.
Be sure to answer all parts. A freshly isolated sample of 90Y was found to have an activity of 2.9 x 105 disintegrations per minute at 1:00 p.m. on December 3, 2006. At 2:15 p.m. on December 17, 2006, its activity was measured again and found to be 7.7 x 10° disintegrations per minute. Calculate the half-life of 90Y. Enter your answer in scientific notation. x 10 minutes
Determine the binding energy of a 12C atom (containing 6 protons and 6 neutrons and weighing 12.0000 amu)1 proton = 1.00727647 amu, 1 neutron = 1.008665 amu, c = 3 x 108 m s-1, 1 kg m2 s-2 = 1 J, 1 amu = 1.66 x 10-24 g.
Calculate the time required for 92.6% of a sample of A (t1/2 = 7144.6 s) to remain. Calculate the time required for 63% of a sample of A (t1/2 = 1648 y) to decay.