5. The activation energy of a chemical reaction a. is supplied by a catalyst.
b. is released at the end.
c. starts the reaction.
d. changes with time.

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.