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: An old asteroid is found. A rock from it yields 1.84 g of  238U92 and 4.22 g of  206Pb82. The molar mass of 206Pb82 is 205.974 g/mol, the molar mass of  238U92 is 238.029 g/mol, and the half-life of  

Problem

An old asteroid is found. A rock from it yields 1.84 g of  238U92 and 4.22 g of  206Pb82. The molar mass of 206Pb82 is 205.974 g/mol, the molar mass of  238U92 is 238.029 g/mol, and the half-life of  238U92 is 4.46 x 109 years. 

How old is this asteroid? Express your answer with the appropriate units.