An irregularly shaped stone was lowered into a graduated cylinder holding a volume of water equal to 13.5 mL. The water level rose to a height of 22.7
mL. If the mass of the stone was 35 g, what was its density?

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?

Why is the bottom layer of a trophic pyrimid the