Balancing
In order to balance an equation, what must be the same on each side of the equation?
The number of atoms for each element
The number in front of a chemical formula in a reaction equation.
Coefficient OR # of moles
What is the charge on a Arsenic ion?
-3
This is the amount (in moles) of CaCO3 produced when a chemist reacts 3.4 moles of CaO in this reaction: CaO + CO2 --> CaCO3
3.4 moles CaCO3
This is an example of what kind of reaction? Pb(NO3)2 + K2CrO4 ---> PbCrO4 +2KNO3
Double Replacement
___ Ag2O --> ___ Ag + __O2
2, 4, 1
The name for the substance(s) made during chemical reactions.
Product(s)
Find the molar mass of C12H22O11
342.308 grams/mole
This is the mass (grams) of MgCl2 produced if 20.0 g of Mg reacts in this equation: Mg + 2HCl -------> MgCl2 + H2
78.34 grams MgCl2
This is an example of what kind of reaction? P4 + 5O2 ---> P4O10
Synthesis
___Al + ___Fe2O3 --> __Al2O3 + __Fe
2, 1, 1, 2
A solid that forms from the combination of 2 liquids during a chemical reactions.
Precipitate
The reactant that runs out first
Limiting Reactant
This is the mass (in grams) of Li3N produced if 5.50g of Li reacts in this equation: The reaction: 6Li + N2 --> 2Li3N
9.20 grams Li3N
This is an example of what kind of reaction? 2H3PO4 ---> H4P2O7 + H2O
Decomposition
__Al + __H2SO4 --> __Al2(SO4)3 + __H2
2, 3, 1, 3
The central hub of unit conversions
Moles
The chemical formula for strontium phosphate (Sr and PO4)
Sr3(PO4)2
This is the amount (in atoms) of ZnCl2 produced from the reaction of 202.7 grams of LiCl and an excess of zinc. 2LiCl + Zn --> ZnCl2 + 2Li
1.44 x1024 atoms ZnCl2
This is an example of what kind of reaction? Pb(NO3)2 + Mg --> Pb + Mg(NO3)2
Single Replacement
___C4H10 + ___O2 --> __H2O +___CO2
2, 13, 10, 8
The name of the law that is the reason as to why we balancing chemical equations.
The Law of Conservation of Mass
The 7 diatomic elements
H2, N2, O2, F2, Cl2, Br2, I2
This is the amount (in liters) of O2 needed to produce 6.7 grams of Al2O3 in this equation: 4Al + 3O2 --> 2Al2O3
2.21 L O2
A reaction in which a substance reacts rapidly with oxygen, often producing heat and light, or CO2 and H20.
Combustion