1. activation energy is a) the heat released in a reaction b) the energy barrier between reactants and products c) the energy given off when reactants collide d) generally very high for a reaction that takes place rapidly

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

When would a bouncy ball have the most potential energy