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?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

How many atoms are there in 5.70 mol of mg