1. An artifact is found that has 33% of the 14C it had when it was living. Howlong ago was this artifact "alive"? The half-life of 14C = 5730 years.2. The mass change for the decay of 1 mol of 244Pu is -0.0033 g. What is thetotal energy change for this process?

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An artifact is found that has 33% of the 14C it had when it was living. How long ago was this artifact "alive"? The half-life of 14C = 5730 years.

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...

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Question

1. An artifact is found that has 33% of the 14C it had when it was living. How
long ago was this artifact "alive"? The half-life of 14C = 5730 years.
2. The mass change for the decay of 1 mol of 244Pu is -0.0033 g. What is the
total energy change for this process?

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