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18. Radioactive C" was used to determine the geologic age of old wood preserved in a glacier. The amount of Cl4 in the old wood is the normal amount of C currently 8 found in the wood of living trecs. What is the geologic age of the old wood? years

18. Radioactive C" was used to determine the geologic age of old wood preserved in a glacier. The amount of Cl4 in the old wood is the normal amount of C currently 8 found in the wood of living trecs. What is the geologic age of the old wood? years

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Question 18
A web.kamihq.com/web/viewer.html?state%=D%7B"ids"%3A%5B"1NSK1ZB_nNIRmnZrhNDcp7PLPzyW-mouh"%5D%2C"from"%3A"classroom.. A Per. 1/2 Allison Idrovo - Radioactive.pdf 100% 17. A student filled a graduated cylinder with 1,000 milliliters of water to represent a radioactive substance. After 30 seconds, the student poured out one-half of the water in the cylinder to represent the decay occurring within the first half-life. The student repeated the process every 30 seconds. How much water was left in the cylinder at the 2-minute mark? (1) 12.5 mL (2) 62.5 mL (3) 125.0 mL (4) 250.0 mL 17 2 18. Radioactive Cl4 was used determine the geologic age of old wood preserved in a the normal amount of C currently glacier. The amount of C4 in the old wood is found in the wood of living trecs. What is the gcologic age of the old wood? years 19. State one difference between dating objects with the radioactive isotope carbon-14 (C4) and dating objects with the radioactive isotope uranium-238 (U3*). The Half Life Base your answers to question 20 on the accompanying diagram, which represents a model of a radioactive decay of a particular element. The diagram shows the decay of a radioactive element (O into the stable decay elcment () afler one half-life period. Kay Radioactive Decay Model Radioactive cloment 100 T 100 Stable decay cloment 75 75 50 50 Hall-life penod
Transcribed Image Text:A web.kamihq.com/web/viewer.html?state%=D%7B"ids"%3A%5B"1NSK1ZB_nNIRmnZrhNDcp7PLPzyW-mouh"%5D%2C"from"%3A"classroom.. A Per. 1/2 Allison Idrovo - Radioactive.pdf 100% 17. A student filled a graduated cylinder with 1,000 milliliters of water to represent a radioactive substance. After 30 seconds, the student poured out one-half of the water in the cylinder to represent the decay occurring within the first half-life. The student repeated the process every 30 seconds. How much water was left in the cylinder at the 2-minute mark? (1) 12.5 mL (2) 62.5 mL (3) 125.0 mL (4) 250.0 mL 17 2 18. Radioactive Cl4 was used determine the geologic age of old wood preserved in a the normal amount of C currently glacier. The amount of C4 in the old wood is found in the wood of living trecs. What is the gcologic age of the old wood? years 19. State one difference between dating objects with the radioactive isotope carbon-14 (C4) and dating objects with the radioactive isotope uranium-238 (U3*). The Half Life Base your answers to question 20 on the accompanying diagram, which represents a model of a radioactive decay of a particular element. The diagram shows the decay of a radioactive element (O into the stable decay elcment () afler one half-life period. Kay Radioactive Decay Model Radioactive cloment 100 T 100 Stable decay cloment 75 75 50 50 Hall-life penod
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