A substance has a volume of 20 mL and a density of 2.5 g/mL. What is its mass? (M=DxV)

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Which metals are called noble metals

What happens to the temperature of a substance when the average kinetic energy of its particles increases?