What 2 ions can affect the pH

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

Which description best characterizes the motion of particles in a solid?

Which change to the system wood cause the freely-moving piston to lower?