Chemical Reaction Vocab/Study Guide Flashcards
1
Q
Chemical Reaction
A
Process to rearrange atoms into new substances
2
Q
Chemical Formula
A
Chemical Symbols and numbers to represent a substance
H2O
3
Q
Chemical Equation
A
Expression to show the relationship between the reactants and products
4
Q
Reactants
A
Substances that participate in a chemical reaction (start)
5
Q
Product
A
Substances formed in a chemical reaction (end)
6
Q
Law of Conservation of Mass
A
Mass cannot be created of destroyed
7
Q
Law of Conservation of Energy
A
Energy cannot be created or destroyed
8
Q
Endothermic Reaction
A
A chemical reaction with an input of energy (photosynthesis
9
Q
Exothermic Reaction
A
A chemical reaction with an output of energy (heat from a burning candle)
