When you push or pull something, you are creating

Compare and contrast physical changes with chemical changes.

What will most likely happen when two bromine atoms bond together?

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m