The amount of energy needed to remove an electron from a neutral atom is known as

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?