Carbon dating practice problems

posted by | Leave a comment

Animals eat the plants so they too have carbon-14 in their tissues.Carbon-14 is decaying constantly with a half-life of 5720 years.The resulting data, in the form of a calibration curve, is now used to convert a given measurement of radiocarbon in a sample into an estimate of the sample's calendar age.

The rate of decay is often referred to as the activity of the isotope and is often measured in Curies (Ci), one curie = 3.700 x 10" is the initial amount of radioisotope at the beginning of the period, and "k" is the rate constant for the radioisotope being studied.It has been determined that the rate of radioactive decay is first order.We can apply our knowledge of first order kinetics to radioactive decay to determine rate constants, original and remaining amounts of radioisotopes, half-lives of the radioisotopes, and apply this knowledge to the dating of archeological artifacts through a process known as carbon-14 dating.A similar sample of freshly cut wood of the same type of tree had an activity of 15.3 cpm. The method was developed by Willard Libby in the late 1940s and soon became a standard tool for archaeologists.

Leave a Reply

Free chat raw sex