Pearson eText Basic Chemistry -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135765982
Author: Karen Timberlake, William Timberlake
Publisher: PEARSON+
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Chapter 16, Problem 56UTC
Interpretation Introduction
Interpretation:The curve for the radioactive decay of iodine-131 is given:
- The values on the y-axis for the mass of iodine-131 needs to be completed.
- The values on the x-axis for the number of days needs to be completed.
- The half-life of the iodine-131 needs to be determined.
Concept introduction:
- The half-life is the time that is required to reduce the activity by half
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5.78 Cesium-137, used in cancer treatment, has a half-life of 30 yr.
(5.2, 5.4)
a. Write the balanced nuclear equation for the beta decay of
cesium-137.
b. How many milligrams of a 16-mg sample of cesium-137
remain after 90 yr?
C. How many years are required for 28 mg of cesium-137 to
decay to 3.5 mg of cesium-137?
5.64 Complete each of the following nuclear
equations: (5.2)
a. ? + Co Mn + He
25
27
b. ? N+ e
c. e + Kr ?
241
d. He + Am →? + 2,n
2n
Part 1: Writing Radioactive Decay Reactions (5.2)
lodine-131 (131I) isotope undergoes beta decay.
1. Write the symbol for the beta particle released by iodine-131 (show the
respective superscript and subscript values).
2. In the nuclear equation for beta decay of iodine-131, does the beta particle
appear on the reactant or product side of the arrow? Why?
Chapter 16 Solutions
Pearson eText Basic Chemistry -- Instant Access (Pearson+)
Ch. 16.1 - Prob. 1PPCh. 16.1 - Prob. 2PPCh. 16.1 - Naturally occurring potassium consists of three...Ch. 16.1 - Prob. 4PPCh. 16.1 - Prob. 5PPCh. 16.1 - Prob. 6PPCh. 16.1 - Prob. 7PPCh. 16.1 - Prob. 8PPCh. 16.1 - Supply the missing information in the following...Ch. 16.1 - Prob. 10PP
Ch. 16.1 - Prob. 11PPCh. 16.1 - Prob. 12PPCh. 16.2 - Prob. 13PPCh. 16.2 - Prob. 14PPCh. 16.2 - Prob. 15PPCh. 16.2 - Prob. 16PPCh. 16.2 - Prob. 17PPCh. 16.2 - Prob. 18PPCh. 16.2 - Prob. 19PPCh. 16.2 - Prob. 20PPCh. 16.2 - Prob. 21PPCh. 16.2 - Prob. 22PPCh. 16.3 - Prob. 23PPCh. 16.3 - Prob. 24PPCh. 16.3 - Prob. 25PPCh. 16.3 - Prob. 26PPCh. 16.3 - Prob. 27PPCh. 16.3 - Prob. 28PPCh. 16.4 - Prob. 29PPCh. 16.4 - Prob. 30PPCh. 16.4 - Prob. 31PPCh. 16.4 - Prob. 32PPCh. 16.4 - Prob. 33PPCh. 16.4 - Prob. 34PPCh. 16.5 - Prob. 35PPCh. 16.5 - Prob. 36PPCh. 16.5 - Prob. 37PPCh. 16.5 - Prob. 38PPCh. 16.5 - Prob. 39PPCh. 16.5 - Prob. 40PPCh. 16.6 - Prob. 41PPCh. 16.6 - Prob. 42PPCh. 16.6 - Prob. 43PPCh. 16.6 - Prob. 44PPCh. 16.6 - Prob. 45PPCh. 16.6 - Prob. 46PPCh. 16.6 - Prob. 47PPCh. 16.6 - Prob. 48PPCh. 16.6 - Prob. 49PPCh. 16.6 - Prob. 50PPCh. 16 - Prob. 51UTCCh. 16 - Prob. 52UTCCh. 16 - The chapter sections to review are shown in...Ch. 16 - Prob. 54UTCCh. 16 - Prob. 55UTCCh. 16 - Prob. 56UTCCh. 16 - Prob. 57APPCh. 16 - Prob. 58APPCh. 16 - Prob. 59APPCh. 16 - Prob. 60APPCh. 16 - Prob. 61APPCh. 16 - Prob. 62APPCh. 16 - Prob. 63APPCh. 16 - Prob. 64APPCh. 16 - Prob. 65APPCh. 16 - Prob. 66APPCh. 16 - Prob. 67APPCh. 16 - Prob. 68APPCh. 16 - Prob. 69APPCh. 16 - Prob. 70APPCh. 16 - Prob. 71APPCh. 16 - Prob. 72APPCh. 16 - Prob. 73APPCh. 16 - Prob. 74APPCh. 16 - Prob. 75APPCh. 16 - Prob. 76APPCh. 16 - Prob. 77APPCh. 16 - Prob. 78APPCh. 16 - Prob. 79CPCh. 16 - Prob. 80CPCh. 16 - Prob. 81CPCh. 16 - Prob. 82CPCh. 16 - Prob. 83CPCh. 16 - Prob. 84CPCh. 16 - Prob. 85CPCh. 16 - Prob. 86CPCh. 16 - Prob. 87CPCh. 16 - Prob. 88CPCh. 16 - Prob. 89CPCh. 16 - Prob. 90CPCh. 16 - Consider the reaction of sodium oxalate (Na2C2O4)...Ch. 16 - Prob. 34CICh. 16 - Prob. 35CICh. 16 - Prob. 36CICh. 16 - Prob. 37CICh. 16 - Prob. 38CICh. 16 - Prob. 39CICh. 16 - Prob. 40CI
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