Which of the following is true regarding dilutions?
the number of moles of solute do not change
the number of moles of solute change
more solvent is added to a stock solution to increase the concentration
more solute is added to a stock solution to increase the concentration

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

Which substance can be broken down by chemical means