Next, the chemist measures the volume of the unknown liquid as 1600. cm and the mass of the unknown liquid as 1.00 kg. Calculate the density of the liquid. Round your answer to 3 significant digits.

Iwould you figure it out but you don't have a picture or in your question as to what the physical property you're looking for is

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

Not a  mixture of two common elements that can be separated by physical means.