Statstate the type of energy change that occurs in C + O= CO2

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

How much energy is made when a pice of wood burns. how do you know

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.