Types of Equations
What type of equation is this?
SnF4(s) --Δ -> Sn(s) + 2F2(g)
Decomposition
What are the products and reactants for combination special cases?
Non-Metal Oxide + H2O ---> Acid
Metal Oxide + H2O ---> Base
How many oxygen atoms are there?
4Pb(SO4)2
32
Complete and balance this equation:
H2O(l) + SO3(g) ---> ?
H2O(l) + SO3(g) ---> H2SO4(aq)
Assuming there is water present, determine if the following are solid or aqueous:
1. Ca(OH)2
2. HCl
3. SrSO4
4. H2Cr2O7
1. Aqueous
2. Aqueous
3. Solid
4. Aqueous
What type of equation is this?
Hf + 2N2 ---> Hf3N4
Combination/Synthesis
What are the reactants and products for the decomposition special cases?
XCO3 ---> XO + CO2
(Carbonate yields oxide and CO2)
XHCO3 ---> XO + CO2 + H2O
(Bicarbonate yields oxide, CO2, and H2O)
Balance this equation:
H2 + O2 ---> H2O
2H2 + O2 ---> 2H2O
Complete and balance this equation:
CuCl(s) ---> ?
2CuCl(s) ---> 2Cu(s) + Cl2(g)
Can the following single replacement equations occur? If so, complete and balance them.
1. Au(s) + FeCl3(aq) ---> ?
2. Cu(s) + AgNO3(aq) ---> ?
3. Ba(s) + CoSO4(aq) ---> ?
1. NR
2. Cu(s) + 2AgNO3(aq) ---> Cu(NO3)2(aq) + 2Ag(s)
3. Ba(s) + CoSO4(aq) ---> BaSO4(s) + Co(s)
Which equation type always yield CO2 and H2O as products?
Combustion
Identify the type of reaction, complete, and balance the equations:
1. CO2(g) + H2O(l) ---> ?
2. Na2O(s) + H2O(l) ---> ?
Combination
1. CO2(g) + H2O(l) ---> H2CO3(aq)
2. CaO(s) + H2O(l) ---> 2NaOH(aq)
Are the following equations balanced? If not, balance them correctly.
1. 2C4H10 + 6O2 ---> 4CO2 + 2H2O
2. C8H16 + 12O2 ---> 8CO2 + 8H2O
3. 2BiSe + 2O2 ---> 2BiO + 2SeO2
1. Incorrect: 2C4H10 + 13O2 ---> 8CO2 + 10H2O
2. Correct
3. Incorrect: 2BiSe + 3O2 ---> 2BiO + 2SeO2
Complete and balance this equation:
LiBr(aq) + Sn(s) ---> ?
LiBr(aq) + Sn(s) ---> NR
Tin is lower than lithium on the activity series chart, therefore the reaction does not occur.
Write the skeleton equation:
The gas sulfur trioxide produces sulfuric acid when it is bubbled through water.
SO3(g) + H2O(l) ---> H2SO4(aq)
In order for a double replacement reaction to occur, one of three things must happen. What are these things?
1. A precipitate forms
2. A gas forms
3. A molecular compound (all non-metals) forms
What are the reactants and products for double replacement special cases?
Acid + XCO3 ---> Ionic Cmpd + CO2 + H2O
OR
Acid + XHCO3 ---> Ionic Cmpd + CO2 + H2O
Balance this equation:
FeCl3 + AgNO3 → Fe(NO3)3 + AgCl
FeCl3 + 3AgNO3 → Fe(NO3)3 + 3AgCl
Complete and balance this equation:
Fe2(CO3)3(s) ---> ?
Fe2(CO3)3(s) ---> Fe2O3(s) + 3CO2(g)
Complete and balance this equation:
Li2CO3(aq) + HC2H3O2(aq) ---> ?
Li2CO3(aq) + HC2H3O2(aq) ---> 2LiC2H3O2(aq) + CO2(g) + H2O(l)
Yeah this isn't supposed to be in the type of equations category I'm just tired and it's 3 in the morning and I can't come up with anything else to put here so I'm just gonna give you a different question :)
Complete and balance these equations:
1. C2H5OH(l) + O2(g) ---> ?
2. C3H8O(l) + O2(g) ---> ?
1. C2H5OH(l) + 3O2(g) ---> 2CO2 + 3H2O
2. C3H8O(l) + 9O2(g) ---> 6CO2 + 8H2O
Identify the type of reaction, complete, and balance the equations:
H2SO4(aq) + NaHCO3(s) ---> ?
Double Replacement
H2SO4(aq) + 2NaHCO3(s) ---> Na2SO4 + 2CO2 + 2H2O
Balance this equation:
C5H10O + O2 ---> CO2 + H2O
C5H10O + 7O2 ---> 5CO2 + 5H2O
Complete and balance this equation:
LiCl(aq) + NaNO3(aq) ---> ?
LiCl(aq) + NaNO3(aq) ---> NR
Does not form a precipitate, gas, or a molecular compound, therefore the reaction does not occur.
Write the skeleton equation:
Pure copper can be produced by heating copper (II) sulfide in air. Sulfur dioxide gas is also produced in this reaction.
CuS(s) + O2(g) ---> Cu(s) + SO2(g)