Voc
Thermochemistry
Exothermic reaction
A chemical reaction that releases energy by light or heat
Does exothermic mean to release or absorb heat
Release
EXOTHERMIC OR ENDOTHERMIC?
Campfire
EXOTHERMIC
Does the sun give off radiant energy
yes
Thermal (heat) energy
The energy contained within a system that is responsible for its temperature.
Endothermic reaction
Any chemical reaction that absorbs heat from its environment
Does endothermic mean to absorb or release heat
Absorb
EXOTHERMIC OR ENDOTHERMIC?
Firework
EXOTHERMIC
EXOTHERMIC OR ENDOTHERMIC?
Photosynthesis
ENDOTHERMIC
Radiant (light) energy
Energy that is transferred by electromagnetic radiation
Photosynthesis
A chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight
Beginning substance
EXOTHERMIC OR ENDOTHERMIC?
Ice Pack
ENDOTHERMIC
What is Thermochemistry the study of?
Heat energy
Reactants
Products
The species formed from chemical reactions
Ending substance
EXOTHERMIC OR ENDOTHERMIC?
Baking muffins absorb heat from the oven to cook
ENDOTHERMIC
Where does radiant energy come from?
Anything that gives off heat in electromagnetic waves
How do plants create their food
Using photosynthesis
Can humans do photosynthesis?
No
What does Photosynthesis create?
Glucose (which is food for plants)