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Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
CaCO3(g) + H2SO4(aq) = CaSO4(l) + H2CO3(aq) =>
CaCO3(g) + H2SO4(aq) = CaSO4(l) + H2CO3(aq)
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
N2H4 = NH3 + N2 =>
3 N2H4 = 4 NH3 + N2
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Al + H2O + NaOH = NaAlO2 + H2 =>
2 Al + 2 H2O + 2 NaOH = 2 NaAlO2 + 3 H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HO2 + HI = H2O + I2 =>
2 HO2 + 6 HI = 4 H2O + 3 I2
CaO + (NH4)2SO4 = CaSO4 + (NH4)2O =>
CaO + (NH4)2SO4 = CaSO4 + (NH4)2O
CO + NO = CO2 + N =>
CO + NO = CO2 + N
CaCO3(s) + HNO3(aq) = Ca(NO3)2(aq) + H2CO3(aq) =>
CaCO3(s) + 2 HNO3(aq) = Ca(NO3)2(aq) + H2CO3(aq)
CaCO3(g) + HNO3(aq) = Ca(NO3)2(aq) + H2CO3(aq) =>
CaCO3(g) + 2 HNO3(aq) = Ca(NO3)2(aq) + H2CO3(aq)
HNO3 + LiOH = LiNO3 + H2O =>
HNO3 + LiOH = LiNO3 + H2O
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
FeCl3 + AgNO3 = AgCl3 + FeNO3 =>
FeCl3 + AgNO3 = AgCl3 + FeNO3
Ca[Pb(OH)4] + HMnO4 = Ca(MnO4)2 + Pb(OH)2 + H2O =>
Ca[Pb(OH)4] + 2 HMnO4 = Ca(MnO4)2 + Pb(OH)2 + 2 H2O
HCOOH + NaCN = HCN + NaCOOH =>
HCOOH + NaCN = HCN + NaCOOH
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Cr2O7{2-} + H2C2O4 + H{+} = Cr{3+} + CO2 + H2O =>
Cr2O7{2-} + 3 H2C2O4 + 8 H{+} = 2 Cr{3+} + 6 CO2 + 7 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Cu(OH)2 + H2SO4 = H2O + CuSO4 =>
Cu(OH)2 + H2SO4 = 2 H2O + CuSO4
H3PO4(aq) + NaOH(aq) = Na3PO4(aq) + H2O(l) =>
H3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 H2O(l)
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
(NH4)2PtCl6 = Pt + NH4Cl + HCl + N2 =>
3(NH4)2PtCl6 = 3 Pt + 2 NH4Cl + 16 HCl + 2 N2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
KOH(aq) + SnCl2(aq) = KCl2(aq) + SnOH(s) =>
KOH(aq) + SnCl2(aq) = KCl2(aq) + SnOH(s)
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
C5H10 + HCl = C5H11Cl =>
C5H10 + HCl = C5H11Cl
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
KOH(aq) + SnCl2(aq) = KCl2(aq) + SnOH(l) =>
KOH(aq) + SnCl2(aq) = KCl2(aq) + SnOH(l)
Na + HNO3 = NaNO3 + NH4NO3 + H2O =>
8 Na + 10 HNO3 = 8 NaNO3 + NH4NO3 + 3 H2O
KOH(aq) + SnCl2(s) = KCl2(aq) + SnOH(l) =>
KOH(aq) + SnCl2(s) = KCl2(aq) + SnOH(l)
NaF = Na + F =>
NaF = Na + F
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
Hg2 + I = Hg2I2 =>
Hg2 + 2 I = Hg2I2
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
MnSO4 + (NH4)2HPO4 = Mn3(PO4)2 + (NH4)2SO4 + (NH4)H2PO4 =>
3 MnSO4 + 4(NH4)2HPO4 = Mn3(PO4)2 + 3(NH4)2SO4 + 2(NH4)H2PO4
KOH(aq) + SnCl2(aq) = KCl2(aq) + SnOH(l) =>
KOH(aq) + SnCl2(aq) = KCl2(aq) + SnOH(l)
Fe2O(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O(s) + CO(g) = 2 Fe(s) + CO2(g)
Cl2 + H = HCl =>
Cl2 + 2 H = 2 HCl
Ag + S = Ag2S =>
2 Ag + S = Ag2S
Zn{2+} + Fe = Zn + Fe{3+} =>
3 Zn{2+} + 2 Fe = 3 Zn + 2 Fe{3+}
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