# Question: a use one example to describe bornhaber cycle b calculate...

###### Question details

a) Use one example to describe Born-Haber cycle.

b) Calculate i) The resultant of two stationary dipole moments of magnitude 1.2D and 1.8D that make an angle of 130 o to each other in vacuum (expressed in D)

ii) The interaction between pairs of rotating molecules with μ = 2D and r =0.1 nm in one material at 298.15K in air (expressed in kJ/mol)