a 56.1 g sample of a nonvolatile nonelectrolyte is dissolved in 147ml of water. the solution freezes at -15.4°c. if the molal-freezing-point is 1.86°c/m for water, what is the molecular mass of the unknown sample?​

Draw metallic bonding if two copper

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n