What are the shortest and longest times (in years) that can be estimated by carbon-14 dating?
Chapter 14 Part 2 Solution process 1. ΔHsolute>0 ΔHsolvent>0 ΔHmix<0 Heat of Hydration ionic compounds, water overcome, energy water and ions attractive forces, ions=lattice E ΔHsolute= ΔHlatticeE attractive fprces in water, H bonds ion and water= ion dipole ΔHhydration=heat released/mol gas=ΔHsolvent+ΔHmix Ion Dipole ionshydrated, formation is exothermic Heat of Solution, Ionic ΔHsolution=ΔHsolute+ΔHsolvent+ΔHmix ΔHsolution= ΔHlatticeE+ΔHsolvent+ΔHmix ΔHsolution= ΔHlatticeE+ΔHhydration ΔH solution and ΔHhydration exothermic, lattice E sign ΔHsolution tells ΔHhydration ΔHhydrationΔHlattice, ΔH solution exothermic example 1: 21500=ΔH583= 604 kJ/mol=ΔHlattic
