As atoms gain energy they move faster and slide past one another more easily atoms at the surface of the substance overcome attraction to nearby atoms and break free of the surface. Which change of state is taking place?

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

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.