In a pendulum, a continuous change occurs between kinetic energy and potential energy
electromagnetic energy
thermal energy
mechanical energy

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.

Fecl3 + naoh → nacl + fe(oh)3 what are the coefficients that should be added to balance this equation? use complete sentences to explain your answer. explain how this chemical reaction demonstrates the conservation of mass.