Which state of matter is this?
-liquid
-amorphous liquid
-gas
-crystalline solid

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

Which of two curves exhibits exponential growth

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?