At what temperature would a 1.40 m nacl solution freeze, given that the van't hoff factor for nacl is 1.9? kf for water is 1.86 ? c/m .

I do not know the answer to this, Sorry buddy!

1) when you rub your hands together quickly, the kinetic energy is converted to mechanical energy.2) thermal energy from the sun travels to earth as infrared waves.3) energy is transferred through the matter of space by electromagnetic waves. 4) when a match is burned, chemical potential energy is converted to thermal and radiant energy. 5) seismicwaves are caused by back and forth movement , or vibration, of an object. 6) mechanicalenergy in an engine changes thermal energy into kinetic energy to make a car move.

English can you write this in english do we can you