What is true about energy?
Energy cannot be created during an ordinary chemical reaction.
Energy is used up during an explosion.
There is more energy after a chemical reaction than before the reaction.
When water melts, energy is created in the form of heat.
Energy cannot be created during an ordinary chemical reaction.
Energy is used up during an explosion.
There is more energy after a chemical reaction than before the reaction.
When water melts, energy is created in the form of heat.