Question

2. Consider two polar molecules interacting with each other. For example, if two HF were aligned end-to-end, V(r) 4πμ ふwhere μ1 is the dipole moment of molecule 1(HF) and H2 is the dipole moment of molecule 2 (HF) (μ,-H2-1.92D where 1D = 3.33x10-30cm). Go is the dielectric constant (E, - 8.5. Consider r 5 Angstroms Nm2 what would be the potential energy of interaction in vacuum (e = 1)in Joules? In kcal/mol? what would be the potential energy of interaction in water (e 80)in Joules? In kcal/mol? What would be the potential energy if one of the molecules is changed to HI? (HHI 0.42D) in Joules? In kcal/mol? a) b) c)

Answer 1

Mr) 2 2 贮: 735.8 x 10-3, J 25 735,81 x10. 31 25x&o 2