Chemical Reactions Vocab Flashcards
1
Q
process to rearange atoms into new stubsances
A
Chemical
reaction-
2
Q
Chemical symbol numbers to represent a substance
A
chemical formula
3
Q
expression to show the relationship between restants and products
A
Chemical equation-
4
Q
Reactants
A
Substances that participate in a reaction (start)
5
Q
Substances Formed in a reaction (end)
A
Products
6
Q
Matter is nethier created or destroyed
A
law of conservation of mass-
7
Q
-energy cannot be created er destroyed
A
law of conservation of energy-
8
Q
reaction with an imput of energy (photosynthesis)
A
endothermic rcaction-
9
Q
reaction with an out put or
release of energy (Feel heat From buring)
A
extorhemis reaction
