Considering einstein's famous equation, e = mc2, which of the following statements is true? considering einstein's famous equation, e = mc2, which of the following statements is true? a small amount of mass can be turned into a large amount of energy. one kilogram of mass represents 1 joule of energy. mass can be turned into energy, but energy cannot be turned back into mass. it takes a large amount of mass to produce a small amount of energy. you can make mass into energy if you can accelerate the mass to the speed of light.