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: Curium-243 undergoes α decay to plutonium-239:243Cm ⟶ 239Pu + α(a) Find the change in mass, Δm (in kg). (Mass of  243Cm = 243.0614 amu; mass of 239Pu = 239.0522 amu; mass of 4He = 4.0026 amu; 1 amu =

Problem

Curium-243 undergoes α decay to plutonium-239:

243Cm ⟶ 239Pu + α

(a) Find the change in mass, Δm (in kg). (Mass of  243Cm = 243.0614 amu; mass of 239Pu = 239.0522 amu; mass of 4He = 4.0026 amu; 1 amu = 1.661×10−24 g.)

(b) Find the energy released in joules.