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: A portion of the Suns energy comes from the reaction 411 H  →  24 He + 210 e which requires a temperature of 106 to 107K.Use the mass of the helium-4 nucleus given in following table to determine

Problem

A portion of the Suns energy comes from the reaction
411 H  →  24 He + 210 e
which requires a temperature of 106 to 107K.

Use the mass of the helium-4 nucleus given in following table to determine how much energy is released when the reaction is run with 1 mol of hydrogen atoms.

Nucleus Mass of Nucleus (amu) Mass of Individual Nucleons (amu) Mass Defect (amu) Binding Energy (J) Binding Energy per Nucleon (J)
24 He 4.00150 4.03188 0.03038 4.53 10-12 1.13 10-12
2656 Fe 55.92068 56.44914 0.52846 7.90 10-11 1.41 10-12
92238 U 238.00031 239.93451 1.93420 2.89 10-10 1.21 10-12