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2 Zn + CaCO3 = 2 ZnO + CO + Ca
FeCl3(aq) + Na2S(aq) = Fe2S3 + NaCl =>
2 FeCl3(aq) + 3 Na2S(aq) = Fe2S3 + 6 NaCl
CO + H2 = C3H8 + H2O =>
3 CO + 7 H2 = C3H8 + 3 H2O
O2 + Mn3O4 = Mn2O3 =>
O2 + 4 Mn3O4 = 6 Mn2O3
Zn + CaCO3 = ZnO + CO + Ca =>
2 Zn + CaCO3 = 2 ZnO + CO + Ca
BaLiN = BaNLi =>
BaLiN = BaNLi
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
O2 + Mn3O4 = Mn2O3 =>
O2 + 4 Mn3O4 = 6 Mn2O3
PbNO = PbON =>
PbNO = PbON
VCl2 + KMnO4 + H2O = V2O5 + MnO2 + KCl + HCl =>
2 VCl2 + 2 KMnO4 + H2O = V2O5 + 2 MnO2 + 2 KCl + 2 HCl
Sb2S3(s) + Fe(s) = Sb(s) + FeS(s) =>
Sb2S3(s) + 3 Fe(s) = 2 Sb(s) + 3 FeS(s)
C3H6O + C12H22O11 = C21H30O2 + H2O =>
52 C3H6O + C12H22O11 = 8 C21H30O2 + 47 H2O
K2(CrO4) + AgNO3 = KNO3 + Ag2(CrO4) =>
K2(CrO4) + 2 AgNO3 = 2 KNO3 + Ag2(CrO4)
CuO + NO2 = CuNO3 =>
CuO + NO2 = CuNO3
H2O2 + CaI2 + HCl = CaCl + I2 + H2O =>
H2O2 + 2 CaI2 + 2 HCl = 2 CaCl + 2 I2 + 2 H2O
H2SiO3 + Ba(OH)2 = BaSiO3 + H2O =>
H2SiO3 + Ba(OH)2 = BaSiO3 + 2 H2O
Mn(NO3)2 + HNO3 + PbO2 = Pb(NO3)2 + H2O + HMnO4 =>
2 Mn(NO3)2 + 6 HNO3 + 5 PbO2 = 5 Pb(NO3)2 + 2 H2O + 2 HMnO4
CuCNGaCl = CuClGaCN =>
CuCNGaCl = CuClGaCN
KNO3H2O = HNO3KOH =>
KNO3H2O = HNO3KOH
Ag + FeSO4 = Ag2(SO4)3 + Fe =>
2 Ag + 3 FeSO4 = Ag2(SO4)3 + 3 Fe
BaCO3(s) + HCl(aq) = BaCl2(aq) + CO2(g) + H2O(l) =>
BaCO3(s) + 2 HCl(aq) = BaCl2(aq) + CO2(g) + H2O(l)
FeCl3(aq) + Na2S(aq) = Fe2S3(aq) + NaCl(aq) =>
2 FeCl3(aq) + 3 Na2S(aq) = Fe2S3(aq) + 6 NaCl(aq)
Hg2(CO3) = Hg2C + O2 =>
2 Hg2(CO3) = 2 Hg2C + 3 O2
MgI2Cu(NO3)2 = Mg(NO3)2CuI2 =>
MgI2Cu(NO3)2 = Mg(NO3)2CuI2
CaO2 + NaCl = CaCl + NaO2 =>
CaO2 + NaCl = CaCl + NaO2
(NH4)2SiO3 = NH3 + H2O + SiO2 =>
(NH4)2SiO3 = 2 NH3 + H2O + SiO2
NH4OHNiBr2 = NH4Br2NiOH =>
NH4OHNiBr2 = NH4Br2NiOH
Cr2(SO4)3 + (NH4)2CO3 = Cr2(CO3)3 + (NH4)2SO4 =>
Cr2(SO4)3 + 3(NH4)2CO3 = Cr2(CO3)3 + 3(NH4)2SO4
H2C2O4H2O = H3OHC2O4 =>
H2C2O4H2O = H3OHC2O4
KNO3H2O = HNO3KOH =>
KNO3H2O = HNO3KOH
AgOHBr = AgBrOH =>
AgOHBr = AgBrOH
ClNa + H2O = NaO + H + Cl =>
ClNa + H2O = NaO + 2 H + Cl
C5H6BrClN2O2 + HNO3 + FeS2 + Au + H2O = HAuBr4 + FeNO2 + H2S + CO2 + Cl2 =>
20 C5H6BrClN2O2 + 87 HNO3 + 127 FeS2 + 5 Au + 153 H2O = 5 HAuBr4 + 127 FeNO2 + 254 H2S + 100 CO2 + 10 Cl2
SrAl2Si2O8 + H2O + H = Sr + Al2Si2O5(OH)4 =>
SrAl2Si2O8 + H2O + 2 H = Sr + Al2Si2O5(OH)4
Hg2(CO3) = Hg2C + O2 =>
2 Hg2(CO3) = 2 Hg2C + 3 O2
NaCl + Fe2 = FeCl2 + Na =>
4 NaCl + Fe2 = 2 FeCl2 + 4 Na
FeCl3(aq) + Na2S(aq) = Fe2S3 + NaCl =>
2 FeCl3(aq) + 3 Na2S(aq) = Fe2S3 + 6 NaCl
Na2B4O7 + Cr(OH)3 = NaBO2 + Cr(BO2)3 + H2O =>
3 Na2B4O7 + 2 Cr(OH)3 = 6 NaBO2 + 2 Cr(BO2)3 + 3 H2O
Hg2(CO3) = Hg2C + O2 =>
2 Hg2(CO3) = 2 Hg2C + 3 O2
Fe(OH)3 + NaOCl + NaOH = NaFeO4 + NaCl + H2O =>
Fe(OH)3 + 2 NaOCl + NaOH = NaFeO4 + 2 NaCl + 2 H2O
P2O3(s) + O2(g) = P2O5(g) =>
P2O3(s) + O2(g) = P2O5(g)
VCl2 + H2O = VOCl2 + H2 =>
VCl2 + H2O = VOCl2 + H2
Cu(OH)2 + FeSO4 = CuSO4 + Fe(OH)2 =>
Cu(OH)2 + FeSO4 = CuSO4 + Fe(OH)2
NaF + H2SO4 = HF + Na2SO4 =>
2 NaF + H2SO4 = 2 HF + Na2SO4
C6H4CH3SO2NH2 + KMnO4 + H2SO4 = C6H4CONHSO2 + K2SO4 + MnSO4 + H2O =>
5 C6H4CH3SO2NH2 + 6 KMnO4 + 9 H2SO4 = 5 C6H4CONHSO2 + 3 K2SO4 + 6 MnSO4 + 19 H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
XKAl(SO4)2*12H2O + KOH = XAl(OH)3 + K{+} + SO4{2-} + H2O =>
XKAl(SO4)2*12H2O + 3 KOH = XAl(OH)3 + 4 K{+} + 2 SO4{2-} + 12 H2O
Mg(HCO3)2 + Na3(PO4) = Na3(HCO3)2 + Mg(PO4) =>
Mg(HCO3)2 + Na3(PO4) = Na3(HCO3)2 + Mg(PO4)
HClCaCO = CaClCOH =>
HClCaCO = CaClCOH
H3PO4 + OH = PO4 + H2O =>
H3PO4 + 3 OH = PO4 + 3 H2O
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