What is energy? Give at least two examples of how you use energy in your everyday life.

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.