Clasifica las reacciones químicas representadas en las siguientes ecuaciones químicas.​

Compare and contrast physical changes with chemical changes.

Helium decays to form lithium. which equation correctly describes this decay?

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.