Ground water has some minerals dissolved in it. if you heat this water, collect the vapor in another container, and then cool it, you will get pure, or distilled, water. what makes this process a physical change?

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

What is the molar mass of potassium nitrate, kno3