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.

Which statement best explains the relationship between an area is geography and the temperature of its surface water

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point