Stoichiometry
Reactions
Balancing Equations
Name That Reaction
Signs
100
Assume ideal stoichiometry in the reaction CH4 + 2O2 -> CO2 + 2H2O. If you know the mass of CH4, what can you calculate?
The mass of O2 reacting and CO2 + H2O produced.
100
Two or more chemical species combine to form a more complex product is what type of reaction?
Synthesis
100
Balance the equation: Sb2(SO4)3 + KMnO4 + H2O --> H3SbO4 + K2SO4 + MnSO4 + H2SO4
5 Sb2(SO4)3 + 4 KMnO4 + 24 H2O → 10 H3SbO4 + 2 K2SO4 + 4 MnSO4 + 9 H2SO4
100
6 NaHCO3 3 Na2CO3 + 3 H2O + 3 CO2
Decomposition
100
→
Yield
200
Define stoichiometry.
The study of quantitative relationships between amounts of reactants used and products formed by a chemical reaction.
200
What is the reaction that breaks down a compound into smaller chemical pieces?
Decompisition
200
Balance the equation: HBO2 + KIO3 + KI --> KBO2 + H2O + I2
6 HBO2 + KIO3 + 5 KI → 6 KBO2 + 3 H2O + 3 I2
200
AgNO3 + KCl AgCl(s) + KNO3
Double Replacement
200
(aq)
Aqueous (dissolved in water)
300
What is the maximum number of moles of AlCl3 that can be produced from 5.0 mol Al and 6.0 mol Cl2? 2Al + 3Cl3 -> 2AlCl3
5.0 mol AlCl3
300
What reaction is a type of reaction in which certain material combines with an oxidizer to form oxidized products and generate heat?
Combustion
300
Balance the equation: H2C2O4 + KMnO4 +HNO3 --> CO2 + Mn(NO3)2 + KNO3 +H2O
5 H2C2O4 + 2 KMnO4 + 6 HNO3 → 10 CO2 + 2 Mn(NO3)2 + 2 KNO3 + 8 H2O
300
2 AgNO3 + Cu Cu(NO3)2 + 2 Ag
Single Replacement
300
(g)
Gas
400
For the reaction below, how many moles of N2 are required to produce 18 mol NH3? N2 + 3H2 -> 2NH3
9.0
400
What is a substitution characterized by one element being displaced from a compound by another element?
Single displacement.
400
Balance the equation: HSbO2 + KBrO3 + H2O --> H3SbO4 + KBr
3 HSbO2 + KBrO3 + 3 H2O → 3 H3SbO4 + KBr
400
CH4 + 2O2 → CO2 + 2H2O2
Combustion
400
(s)
Solid
500
1.) Which mole ratio for the equation 6Li + N2 -> 2Li3N is incorrect? 2.) How many moles of Al are in 2.16 mol of Al2O3?
1.) 6 mol Li/1 mol N2 2.) 4.32mol Al
500
1.) What reaction involves two compounds exchanging bonds or ions in order to form different compounds. 2.) Chemical reactions tend to involve the motion of what?
1.) Double replacement 2.) Electrons
500
1.) Balance the equation: C4H8 + O2 --> CO2 + H2O 2.) What are the numbers that go in front of equations called?
1.) C4H8 + 6 O2 → 4 CO2 + 4 H2O 2.) Coefficients
500
1.) H2O + SO3 H2SO4 2.) Lead II nitrate and sodium iodide react to make lead iodide and sodium nitrate.
1.) Synthesis 2.) Double Replacement
500
1.) (Δ) 2.) (l)
1.) Delta (Heat has been added) 2.) Liquid
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