3.27: Chemical Reaction Rate Difficulty Level: At Grade Created by: CK-12 Estimated2 minsto complete % Progress Practice Chemical Reaction Rate MEMORY METER This indicates how strong in your memory this concept is Practice Progress Estimated2 minsto complete % Estimated2 minsto complete % Practice Now MEMORY METER This indicates how strong in your memory this concept is Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English TermDefinition catalyst Substance that increases the rate of a chemical reaction but is not changed or used up in the reaction. reaction rate Speed at which a chemical reaction occurs. Image Attributions Show Hide Details Description Definition of chemical reaction rate and factors that influence it. Learning Objectives None Related Materials Chemical Reaction Rate Difficulty Level: At Grade Authors: Jean Brainard, Ph.D. Tags: catalyst chemical reaction rate Collision Theory (4 more) kinetic reaction rate SCI.CHE.521.1.L.1 SCI.PSC.152.11.L.1 Subjects: science Physical Science Concept Nodes: SCI.PSC.152.11 (Chemical Reaction Rate) Grades: 7 , 8 Date Created: Oct 31, 2012 Last Modified: Sep 13, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.