identify reaction type agenda review balancing check equations i write explaining how to balance....
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Identify reaction type
Agenda review balancing Check equations I Write explaining how to balance. Class notes: ID reaction types Demos Homework: Equation II
Provide symbol or ratio of coefficients
Solid Reacts to form Mg(s) + SiO2(s) MgO(s) + Si(s)
C6H6(l) + O2(g) CO2(g) + H2O(g)
Al2S3(s) + H2O(l) Al(OH)3(aq) + H2S(g)
1. copper + nitric acid copper (II) nitrate + hydrogen
Cu(s) + 2 HNO3(aq) Cu(NO3)2(aq) + H2(g)
1:2:1:1
3. silver nitrate + sodium bromide sodium nitrate + silver bromide
AgNO3(aq) + NaBr(aq) NaNO3(aq) + AgBr(aq)
1:1:1:1
5. iron (III) chloride + ammonium hydroxide iron (III) hydroxide + ammonium chloride
FeCl3(aq) + 3NH4OH(aq) Fe(OH)3(s) + 3NH4Cl(aq)
1:3:1:3
7. magnesium chloride + ammonium nitrate magnesium nitrate + ammonium chloride
MgCl2(aq) + 2NH4NO3(aq) Mg(NO3)2(aq) + 2NH4Cl(aq)
1:2:1:2
9. aluminum + sulfuric acid aluminum sulfate + hydrogen
2Al(s) + 3H2SO4(aq) Al2(SO4)3(aq) + 3H2(g)
2:3:1:3
11. potassium iodide + lead (II) nitrate lead (II) iodide + potassium nitrate
2KI(aq) + Pb(NO3)2(aq) PbI2(s) + 2KNO3(aq)
2:1:1:2
13. sodium peroxide + water sodium hydroxide + oxygen
2Na2O2(aq) + 2H2O(l) 4NaOH(aq) + O2(g)
2:2:4:1
14. iron (III) chloride + potassium hydroxide potassium chloride + iron (III) hydroxide
FeCl3(aq) + 3KOH(aq) 3KCl(aq) + Fe(OH)3(s)
1:3:3:1
17. copper (II) nitrate + aluminum aluminum nitrate + copper
3Cu(NO3)2(aq) + 2Al(s) 2Al(NO3)3(aq) + 3Cu(s)
3:2:2:3
18. barium hydroxide + ammonium chloride barium chloride + ammonia + water
Ba(OH)2(aq) + 2NH4Cl(aq) BaCl2(aq) + 2NH3(g) + 2H2O(l)
1:2:1:2:2
19. hydrochloric acid + sodium hydroxide sodium chloride + water
HCl(aq) + NaOH(aq) NaCl(aq) + H2O(l)
1:1:1:1
Write
Explain how to balancing selecting one of the questions on this worksheet.
You are teaching one of the freshmen in physical science.
How many reactants?
1 2
Decomposition
1 reactant 2 products
comBustion
Hydrocarbon + O2 CO2 + H2O
Single Replacement
1 element + 1 compound 1 element + 1 compound
Double Replacement
2 compound 2 compound
Combination
2 reactant 1 compound