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DOUBLE REPLACEMENT reactants trade partners cation (+) from one compound combines with the anion (-)...
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Transcript of DOUBLE REPLACEMENT reactants trade partners cation (+) from one compound combines with the anion (-)...
![Page 1: DOUBLE REPLACEMENT reactants trade partners cation (+) from one compound combines with the anion (-) in the other compound and vice versa.](https://reader036.fdocuments.us/reader036/viewer/2022082821/5697bfba1a28abf838ca0189/html5/thumbnails/1.jpg)
DOUBLE REPLACEMENT
reactants trade partnerscation (+) from one compound
combines with the anion (-) in the other compound and vice versa
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DOUBLE REPLACEMENT
Solns of lead(II)nitrate and potassium iodide combine to form a precipitate of lead(II)iodide and potassium nitrate.
precipitate = SOLIDKNO3(aq)+PbI2(s)→KI(aq)+Pb(NO3)2(aq) 22
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DOUBLE REPLACEMENT
To determine precipitates: MUST USE THE SOLUBILITY RULES
Silver nitrate is combined with sodium chloride:
AgNO3(aq)+ NaCl(aq)→AgCl(s)+NaNO3(aq)
![Page 4: DOUBLE REPLACEMENT reactants trade partners cation (+) from one compound combines with the anion (-) in the other compound and vice versa.](https://reader036.fdocuments.us/reader036/viewer/2022082821/5697bfba1a28abf838ca0189/html5/thumbnails/4.jpg)
DOUBLE REPLACEMENT
Sodium sulfate soln is mixed with barium nitrate soln:
Na2SO4(aq) + Ba(NO3)2(aq) →
NaNO3(aq) + BaSO4(s)
2
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COMBUSTION OF A HYDROCARBONhydrocarbon - has C, H (and O)combustion is reaction with
oxygen: O2(g) must be a reactant!complete combustion ALWAYS
produces CO2 + H2O incomplete – will also yield CO
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COMBUSTION OF A HYDROCARBON
combustion of ethane, C3H8(g):
C3H8(g) +5O2(g) → 3CO2(g) + 4H2O(g)
combustion of octane, C8H18(l):
2C8H18(l) + 25 O2(g)→
16CO2(g) + 18 H2O(g)
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COMBUSTION OF A HYDROCARBON
combustion of acetylene, C2H2(g):
2C2H2(g)+ 5 O2(g)→ 4 CO2(g) + 2H2O(g)
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10) SiCl4 + 2 Mg → Si + 2 MgCl2
11) Ca(OH)2 + 2 HNO3 → Ca(NO3)2 + 2 H2O
12a) Sb2S3 + 3 Fe → 2 Sb + 3 FeS
12b) Sb4 O6 + 3 C → 4 Sb + 3 CO2
13) 3 KOH + Fe(NO3)3 → Fe(OH)3 + 3 KNO3
14) 2 HCl + Pb(NO3)2 → PbCl2 + 2 HNO3
15) K2CrO4 + Ba(NO3)2 → BaCrO4 + 2 KNO3
17) 2 Al(l) + 3 BaO → Al2O3 + 3 Ba(l)
18) Ca(s) + 2 H2O(l) → Ca(OH)2 + H2(g)
19) 2 C4H10 + 13 O2(g)→ 8 CO2(g)+10 H2O(l)