Shared Flashcard Set

Details

6.03 Chemical Reactions and Energy
endothermic, exothermic, catalysts, collision theory
11
Chemistry
9th Grade
07/16/2019

Additional Chemistry Flashcards

 


 

Cards

Term
exothermic
Definition
a process that releases energy

In a chemical reaction: products have less energy than the reactants
Term
endothermic
Definition
a process that absorbs energy

In a chemical reaction: products have more energy than the reactants
Term
Collision Theory
Definition
Describes how reactant molecules must collide, with sufficient energy in order for products to form
Term
reaction rate
Definition
How quickly reactants form products
Term
concentration
Definition
The amount of molecules in a given space

Higher concentration means more molecules
Term
activation energy
Definition
Minimum amount of energy that must be provided in order for a reaction to occur
Term
conduction
Definition
Transfer of heat that occurs when objects/substance come in physical contact with each other
Term
convection
Definition
Heat transfer within a fluid (liquid or gas) caused by the circulation of heated portions of the fluid
Term
radiation
Definition
Heat transfer through infrared radiation

Thermal energy moving as waves
Term
catalyst
Definition
Substance that speeds up a reaction but is not used up during the reaction
Term
temperature
Definition
Measure of the amount of molecular motion in a substance

Higher temperature = more molecular motion
Supporting users have an ad free experience!