19.1B. Binding Energy and Thermodynamic Stability 2020-MZ (1).pdf

This preview shows page 1 - 3 out of 5 pages.

2020/5/31Chapter19:NuclearChemistry19.1.2NuclearBindingEnergyContentsNucleus‐ ThermodynamicStability2CalculatingchangeinpotentialenergythatwouldresultifanucleuswereformedfromitsconstituentneutronsandprotonsThisequation(Mass–EnergyRelationship) showsthatenergyshouldbeconsideredasaformofmatter2EmcThermodynamicStabilityandMass3Whenasystemgainsorlosesenergy,italsogainsorlosesaquantityofmassCanbedeterminedfromthemassdifferencebetweenanucleusanditsnucleonsMassdefectm):ChangeinmassUsedtoascertainthevalueofΔE2Energy change ==Emc-msum of masses of all p, n and eactual mass of atom4NuclearStabilityandBindingEnergyThemassdefectisthemassofthenuclearparticlesthathasbeenusedtobindthenucleus,intheformofnuclearbindingenergyThelargerthismassdefectthestrongerbindingofanuclearparticle-msum of masses of all p, n and eactual mass of atom1234
2020/5/325Example:NuclearStabilityandBindingEnergyExample:Calculatethemassdeficiencyfor39K.Theactualmassof39Kis39.32197amu peratom.amu0.0005458ofmassahaselectron1amu1.0087ofmassahasneutron1amu1.0073ofmassahasproton1electrons19andneutrons20protons,19hasK396Example

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 5 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Fall
Professor
DINNER
Tags
Atom, Proton, Neutron, Binding energy, 1 mole, 0 1366 g

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture