Ch.19 - Nuclear ChemistryWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: 222Ra is a naturally occurring radioisotope that can build up in homes. Calculate the rate constant for the first‐order decay of 222Ra. ( t1/2 = 3.30 x 105 s) A) 2.29 x 105 s‐1 B) 2.1 x 10‐6 s‐1 C) 12.7 s‐1 D) 3.03 x 10‐6 s‐1 E) 4.37 x 10‐6 s‐1  

Problem

222Ra is a naturally occurring radioisotope that can build up in homes. Calculate the rate constant for the first‐order decay of 222Ra. ( t1/2 = 3.30 x 105 s)

A) 2.29 x 105 s‐1
B) 2.1 x 10‐6 s‐1
C) 12.7 s‐1
D) 3.03 x 10‐6 s‐1
E) 4.37 x 10‐6 s‐1