Which seedless plants have been used to treat bee stings?

O

O

club mosses

horsetails

ferns

liverworts

O

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.

What’s the theoretical yield of solid lead