The first two ionization energies of nickel. Express your answer as a chemical equation separated by a comma. Identify all of the phases in your answer.

What is the cellular process that releases the energy stored in food molecules

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.