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23. a. The cloth shroud from around a mummy is found to have a "C activity...
The cloth shroud from around a mummy is found to have a 14 activity of 9.2 disintegrations per minute per gram of carbon as compared with living organisms that undergo 16.3 disintegrations per minute per gram of carbon. Part A You may want to reference (Pages 913-916) Section 21.4 while completing this problem From the half-life for "C decay, 5715 yr, calculate the age of the shroud. Express your answer using two significant figures. EVO AXO O 2 ? 4.81...
A sample of charred animal bones found in a cave has a carbon-14 decay rate of 5.2 disintegrations per minute per gram of carbon (5.2 dis/min-g C). Living organisms have a decay rate of 15.3 dis/min-g C. The half-life of carbon-14 is 5715 yr. How old is the bone sample? (All radioactive elements decay according to first order kinetics.) a)2.8 x 10 3 yrs b)3.9 x 10 3 yrs c)1.9 x 10 3 yrs d)8.9 x 10 3 yrs
a) Define mass defect. a. the difference in mass between the nucleus of an atom and the sum of its separate components Cb. an atom with too many neutrons c. energy released in a radioactive reaction Od the difference in mass between a radioactive atom and a nonradioactive atom. b) Balance the following redox reaction if it occurs in basic solution. What are the coefficients in front of Al and Mnl in the balanced reaction? AICS) + Mnl. (89) -...
(1). Beta decay of ^60 Co produces a beta particle and--------------(a) , ^60 Fe, (b), ^59 Co. (c) ^56 Mn. (d) ,^60Ni. (2) identify the part of the body that can be studied with radiotracers.(a) tumors. (b) brain (c) speleen (d) heart, (e) all of the above.(3) ,Determine the identity of the daughter nuclide from the alpha decay of X.(a)X Ac ,(b) X PO, (c) X Rn .(d) X Th, (e) X Fr.(4) Which of the following statements is True?...