What is the potential energy of a molecule?
O
A. Energy lost as heat to the surroundings
O
B. Energy of motion during collisions
O
C. Energy gained from heating the molecule
O
D. Energy stored in molecular bonds

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?