Conservation of Matter
Matter cannot...
be created or destroyed
FeCl3
Iron III chloride
_Al +_HCl --> _H2 +_AlCl3
2, 6, 3, 2
Combining substances to form a new substance
Synthesis
Cu+ AgNO3-->
Cu(NO3)2+Ag
What law says that matter cannot be created or destroyed?
Law of Conservation of Matter or Law of Conservation of Mass
Barium nitrate
Ba(NO3)2
__P4 + __O2 --> __P2O3
1, 3, 2
Breaking down a substance into simpler substances
Decomposition
K + HCl -->
KCl + H2
What reactions does the Law of Conservation of Mass apply to?
Ordinary chemical reactions
Al2(SO4)3
Aluminum sulfate
What is the sum of the coefficients when balanced?
___ As2O5 + ___ H2O → ___ H3AsO4
6
2NaCl →2Na +Cl2?
Decomposition Reaction
Mg + CuCl2 -->
MgCl2 + Cu
What reactions does the Law of Conservation of Mass not apply to?
Nuclear reactions, where matter can be changed into energy
What is the formula for Tetraphosphorus decoxide
P4O10
What is the little number after an element in a chemical equation called.
Cu + 2Ag(NO3) → 2Ag + Cu(NO3)
Single Displacement Reaction
AgNO3 + KCl -->
AgCl + KNO3
What are the four states, or phases, of matter?
solid, liquid, gas, and plasma.
What is the formula for Calcium phosphate
Ca3(PO4)2
What is the arrow in a chemical equation
Yields
Double Displacement
KBr + Cl₂ →
KCl + Br₂