1. Balance the following nuclear reactions a. Uranium-235 (alpha decay) b. N (electron capture) $4 c.Mn (beta emission) 2. The half life for Carbon-14 is 5614 years. An ancient piece of cloth is found to contain 4 of its original Carbon-14. How old is the cloth? 3. The half life for Uranium-238 undergoing alpha decay is 4.5 x 10 years. a Write the balanced nuclear equation for uranium-238 undergoing alpha decay. b. If we start with 60 atoms of Uranium-238 how many U-238 will remain after 13.5 billion years? 23
1. Balance the following nuclear reactions a. Uranium-235 (alpha decay) b. N (electron capture) $4 c.Mn (beta emission) 2. The half life for Carbon-14 is 5614 years. An ancient piece of cloth is found to contain 4 of its original Carbon-14. How old is the cloth? 3. The half life for Uranium-238 undergoing alpha decay is 4.5 x 10 years. a Write the balanced nuclear equation for uranium-238 undergoing alpha decay. b. If we start with 60 atoms of Uranium-238 how many U-238 will remain after 13.5 billion years? 23
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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Hi,
please help with this questions attached. Especially 1b, and number 2 and 3
thank you,
Janet.
Transcribed Image Text:1. Balance the following nuclear reactions
a. Uranium-235 (alpha decay)
b. N (electron capture)
$4
c.Mn (beta emission)
2. The half life for Carbon-14 is 5614 years. An ancient piece of cloth is found to
contain 4 of its original Carbon-14. How old is the cloth?
3. The half life for Uranium-238 undergoing alpha decay is 4.5 x 10 years.
a Write the balanced nuclear equation for uranium-238 undergoing alpha
decay.
b. If we start with 60 atoms of Uranium-238 how many U-238 will remain
after 13.5 billion years?
23
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