Which of the following are correct statements about reactions? Check all that apply.
A. There are reactions that occur more slowly than others.
B. Reactions are all very fast and explosive.
C. A catalyst cannot lower the activation energy of a reaction.
D. Catalysts are not used up by a reaction.

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

Which substance has non polar covalent bonds

The three types is stress that act on earths rocks are compression, tension, and