• The vapour preure of the ketone carvone (M= 150. 2 g
mol-1), a component of oil of pearmint, i a follow:
θ/°C 57. 4 100. 4 133. 0 157. 3 203. 5 227. 5
p/Torr 1. 00 10. 0 40. 0 100 400 760
What are (a) the normal boiling point and (b) the enthalpy
of vaporization of carvone?