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2 H3PO3 = 3 H2O + P2O3
Fe + C = FeC3 =>
Fe + 3 C = FeC3
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
Ag + NH4OH = AgNH3 + H2O =>
Ag + NH4OH = AgNH3 + H2O
K(s) + HCl(aq) = KCl(s) + H2(g) =>
2 K(s) + 2 HCl(aq) = 2 KCl(s) + H2(g)
PbI2 + HCl = PbCl2 + H + I =>
PbI2 + 2 HCl = PbCl2 + 2 H + 2 I
SiH4 + N2O = SiO2 + NH =>
SiH4 + 2 N2O = SiO2 + 4 NH
Na2B4O7 + HCl + H2O = H3BO3 + NaCl =>
Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
HBr(aq) + Cl2(g) = HCl(aq) + Br2 =>
2 HBr(aq) + Cl2(g) = 2 HCl(aq) + Br2
FeS + KNO3 = KNO2 + Fe2O3 + SO2 =>
2 FeS + 7 KNO3 = 7 KNO2 + Fe2O3 + 2 SO2
Ni(NO3)2 + Al2(SO4)3 = Ni(SO4) + Al(NO3)3 =>
3 Ni(NO3)2 + Al2(SO4)3 = 3 Ni(SO4) + 2 Al(NO3)3
Ca + CrCO3 = CaCr + CO3 =>
Ca + CrCO3 = CaCr + CO3
C6H14O + O2 = CO2 + H2O =>
C6H14O + 9 O2 = 6 CO2 + 7 H2O
Ca3(PO4)2 + H3O{+} = Ca{2+} + H3PO4 + H2O =>
Ca3(PO4)2 + 6 H3O{+} = 3 Ca{2+} + 2 H3PO4 + 6 H2O
Al + ClO = Al(ClO)3 =>
Al + 3 ClO = Al(ClO)3
HNO3 + H2O = H3O{+} + NO3{-} =>
HNO3 + H2O = H3O{+} + NO3{-}
Ca(NO3)2 + NH3 = Ca(NH3)2 + NO3 =>
Ca(NO3)2 + 2 NH3 = Ca(NH3)2 + 2 NO3
NaOH + NaBr = Na + BrOH =>
NaOH + NaBr = 2 Na + BrOH
C14H18N2O5 + H2O = C4H7NO4 + C9H11NO2 + CH4O =>
C14H18N2O5 + 2 H2O = C4H7NO4 + C9H11NO2 + CH4O
Cu(s) + HgCl2(aq) = Hg(s) + CuCl(aq) =>
2 Cu(s) + HgCl2(aq) = Hg(s) + 2 CuCl(aq)
NH4{+} + H2O = NH4OH + H{+} =>
NH4{+} + H2O = NH4OH + H{+}
Li + H2O = Li(OH2) =>
Li + H2O = Li(OH2)
Mn + Fe(NO3)3 = Mn(NO3)3 + Fe =>
Mn + Fe(NO3)3 = Mn(NO3)3 + Fe
C3H7Cl + C6H6 = C6H5Cl + C3H6 =>
3 C3H7Cl + 4 C6H6 = 3 C6H5Cl + 5 C3H6
NH3(aq) + H2O(l) = NH4OH(aq) =>
NH3(aq) + H2O(l) = NH4OH(aq)
NH2CH2COOH + HCl = NH2CH2COOCl + H2 =>
NH2CH2COOH + HCl = NH2CH2COOCl + H2
C5H11NH2 + O2 = CO2 + H2O + NO2 =>
4 C5H11NH2 + 37 O2 = 20 CO2 + 26 H2O + 4 NO2
P4 + ClO3{-} + H2O = PO4{-3} + Cl{-} + H3O{+} =>
3 P4 + 10 ClO3{-} + 54 H2O = 12 PO4{-3} + 10 Cl{-} + 36 H3O{+}
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
Al(HCO3)3 + HCl = AlCl3 + H2CO3 =>
Al(HCO3)3 + 3 HCl = AlCl3 + 3 H2CO3
LiOH(s) + CO2(g) = Li2CO3(s) + H2O(g) =>
2 LiOH(s) + CO2(g) = Li2CO3(s) + H2O(g)
K + HNO3 = KNO3 + NO2 + H2O =>
K + 2 HNO3 = KNO3 + NO2 + H2O
Na{+} + H2O = NaOH + H3O{+} =>
Na{+} + 2 H2O = NaOH + H3O{+}
H + S + O = H2SO4 =>
2 H + S + 4 O = H2SO4
Fe3O4 + H2S = FeS + S + H2O =>
Fe3O4 + 4 H2S = 3 FeS + S + 4 H2O
Ca + Cu(SO4)2 = Ca2(SO4) + Cu =>
4 Ca + Cu(SO4)2 = 2 Ca2(SO4) + Cu
C2H2 + KMnO4 = C2O4K2 + MnO2 + KOH + H2O =>
3 C2H2 + 8 KMnO4 = 3 C2O4K2 + 8 MnO2 + 2 KOH + 2 H2O
CO + H2O2 = CO2 + H2O =>
CO + H2O2 = CO2 + H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Cl2(g) + H2S(g) = HCl(g) + S(s) =>
Cl2(g) + H2S(g) = 2 HCl(g) + S(s)
MgSO4(aq) + AgNO3(aq) = Ag2SO4(s) + Mg(NO3)2(ag) =>
MgSO4(aq) + 2 AgNO3(aq) = Ag2SO4(s) + Mg(NO3)2(ag)
Ag + Au(No3) = AgNo3 + Au =>
Ag + Au(No3) = AgNo3 + Au
MnO2 = Mn2O3 + O2 =>
4 MnO2 = 2 Mn2O3 + O2
Zn(s) + HI(aq) = ZnI(aq) + H(g) =>
Zn(s) + HI(aq) = ZnI(aq) + H(g)
FeCl3 + F = FeF3 + Cl2 =>
2 FeCl3 + 6 F = 2 FeF3 + 3 Cl2
As2O3 = As2 + O3 =>
As2O3 = As2 + O3
P4(s) + Cl(g) = PCl3(i) =>
P4(s) + 12 Cl(g) = 4 PCl3(i)
Cu(CH3COO)2 = Cu + CH3COO =>
Cu(CH3COO)2 = Cu + 2 CH3COO
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Be + Fe(NO3)2 = Fe + Be(NO3)2 =>
Be + Fe(NO3)2 = Fe + Be(NO3)2
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