If the mass of an object is 3 grams and the volume of that object is 1.5 mL, the density is g/mL.

Compare and contrast physical changes with chemical changes.

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?