balance the following chemical equation PbO2 + HCl → PbCl2 + H2O + Cl2

What is the magnitude of the resultant vector round your answer to the nearest tenth

Which notation is used to represent an alpha particle? a. b. c. d.

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy