The production of water proceeds according to the following equation.
2h2(g) + o2(g) → 2h2o(g)
which describes a way to speed up the collisions between hydrogen and oxygen molecules to produce more water?
a. use a less-intense source of heat on the reactants.
b. maintain the same temperature of the reactants.
c. place the reactants in a smaller container.
d. reduce the concentration of the reactants.

Which of the following observations indicates that an atom has neutrons? some uncharged particles are scattered by a beryllium atom when it hits a gold foil. some uncharged particles bounce back from a gold foil when it is bombarded with alpha particles. a radiation consisting of uncharged particles is emitted when alpha particles strike beryllium atoms. a radiation which attracts electrons is produced when a beryllium atom is bombarded with alpha particles.