Show steps on how to remember chemical reactions.

What happens to energy in an open system?

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat