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2 Al + 3 CuO = Al2O3 + 3 Cu
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
K2Cr2O7 + S + H2O = Cr2O3 + SO2 + KOH =>
2 K2Cr2O7 + 3 S + 2 H2O = 2 Cr2O3 + 3 SO2 + 4 KOH
KHSO4 + HNO3 = KNO3 + H2SO4 =>
KHSO4 + HNO3 = KNO3 + H2SO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Sb2S3(s) + HCl(aq) = SbCl3(aq) + H2S(g) =>
Sb2S3(s) + 6 HCl(aq) = 2 SbCl3(aq) + 3 H2S(g)
FeO + PdF2 = FeF2 + PdO =>
FeO + PdF2 = FeF2 + PdO
Cu(NH3)4(aq) + K4[Fe(CN)6](aq) = Cu2[Fe(CN)6](s) + NH3(aq) + K(aq) =>
2 Cu(NH3)4(aq) + K4[Fe(CN)6](aq) = Cu2[Fe(CN)6](s) + 8 NH3(aq) + 4 K(aq)
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
KHSO4 + HCl = KCl + H2SO4 =>
KHSO4 + HCl = KCl + H2SO4
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
F2 + KBr = KF + Br2 =>
F2 + 2 KBr = 2 KF + Br2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
PbBr2 + HCl = HBr + PbCl2 =>
PbBr2 + 2 HCl = 2 HBr + PbCl2
Fe + H2So4 = Fe2(So4)3 + H2 =>
2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
Fe2O3(s) + C(s) = Fe(s) + CO(g) =>
Fe2O3(s) + 3 C(s) = 2 Fe(s) + 3 CO(g)
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H{+} + S4O6{2-} + Al = H2S + H2O + Al{3+} =>
20 H{+} + S4O6{2-} + 6 Al = 4 H2S + 6 H2O + 6 Al{3+}
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C3H8 + O2 = C3H6 + H2O =>
2 C3H8 + O2 = 2 C3H6 + 2 H2O
TiCl4 + Mg = Ti + MgCl2 =>
TiCl4 + 2 Mg = Ti + 2 MgCl2
HClo + (OH) = (Clo) + H2O =>
HClo + (OH) = (Clo) + H2O
CoCO3 + HCl = CO2 + CoCl2 + H2O =>
CoCO3 + 2 HCl = CO2 + CoCl2 + H2O
Fe(NO3)3(aq) + KSCN(aq) = Fe(SCN)(aq) + NO3(aq) + K(aq) =>
Fe(NO3)3(aq) + KSCN(aq) = Fe(SCN)(aq) + 3 NO3(aq) + K(aq)
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
NO + H2SO4 + KMnO4 = HNO3 + KHSO4 + MnSO4 + H2O =>
5 NO + 6 H2SO4 + 3 KMnO4 = 5 HNO3 + 3 KHSO4 + 3 MnSO4 + 2 H2O
HNO3 = NO2 + H2O + O2 =>
4 HNO3 = 4 NO2 + 2 H2O + O2
CaSO4 + NaCl = CaCl2 + Na2SO4 =>
CaSO4 + 2 NaCl = CaCl2 + Na2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HC4H3N2O5 + H2O = H3O + C4H3N2O5 =>
HC4H3N2O5 + H2O = H3O + C4H3N2O5
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NH4Cl = NH3 + HCl =>
NH4Cl = NH3 + HCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na3PO4 + CoCl2 = Co3(PO4)2 + NaCl =>
2 Na3PO4 + 3 CoCl2 = Co3(PO4)2 + 6 NaCl
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
HNO2 + Ca(HCO3)2 = Ca(NO2)2 + CO2 + H2O =>
2 HNO2 + Ca(HCO3)2 = Ca(NO2)2 + 2 CO2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
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