Aspecies that changes the rate of a reaction but is neither consumed nor changed is a. a catalyst. b. an activated complex. c. an intermediate. d. a reactant.

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

What type of matter is made of only one kind of atom

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.