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Fe2 + 2 H2O = 2 FeO + 2 H2
Zn + HCl + KMnO4 = KMnO2 + H2O + ZnCl2 =>
2 Zn + 4 HCl + KMnO4 = KMnO2 + 2 H2O + 2 ZnCl2
NaClO = NaCl + NaClO3 =>
3 NaClO = 2 NaCl + NaClO3
XC3(aq) + ZNO2(aq) = ZC(s) + X(NO2)3(aq) =>
XC3(aq) + 3 ZNO2(aq) = 3 ZC(s) + X(NO2)3(aq)
CH3COOH + CaMg(CO3)2 = (CH3COO)2Ca + (CH3COO)2Mg + CO2 + H2O =>
4 CH3COOH + CaMg(CO3)2 = (CH3COO)2Ca + (CH3COO)2Mg + 2 CO2 + 2 H2O
FeCl3 + KI + K3Fe(CN)6 = FeI2 + KCl + CN =>
5 FeCl3 + 12 KI + K3Fe(CN)6 = 6 FeI2 + 15 KCl + 6 CN
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
HNO3(aq) + K2CO3(aq) = H2CO3(aq) + KNO3(g) =>
2 HNO3(aq) + K2CO3(aq) = H2CO3(aq) + 2 KNO3(g)
HSCN + AgNO3 = HNO3 + AgSCN =>
HSCN + AgNO3 = HNO3 + AgSCN
V + H2O = VO + H =>
V + H2O = VO + 2 H
Ca + Fe(NO2)3 = Ca(NO2)2 + Fe =>
3 Ca + 2 Fe(NO2)3 = 3 Ca(NO2)2 + 2 Fe
(NH4)3N + Ca = H2 + Ca3N2 =>
(NH4)3N + 6 Ca = 6 H2 + 2 Ca3N2
CO2(g) + Ca(OH)2(aq) = CaCO3(s) + H2O(l) =>
CO2(g) + Ca(OH)2(aq) = CaCO3(s) + H2O(l)
Na2SO3 + NaOH = Na2OHNaSO3 =>
Na2SO3 + NaOH = Na2OHNaSO3
HCl(aq) + Zn(s) = ZnCl(aq) + H2(g) =>
2 HCl(aq) + 2 Zn(s) = 2 ZnCl(aq) + H2(g)
Br2 + Ce3 = BrCe =>
3 Br2 + 2 Ce3 = 6 BrCe
Mg2 + Cl = Mg(Cl)2 =>
Mg2 + 4 Cl = 2 Mg(Cl)2
K2C2O4*H2O + FeCl3(H2O)6 = FeK3(C2O4)3(H2O)4 + KCl + H2O =>
3 K2C2O4*H2O + FeCl3(H2O)6 = FeK3(C2O4)3(H2O)4 + 3 KCl + 5 H2O
Hf + N2 = Hf3N4 =>
3 Hf + 2 N2 = Hf3N4
Fe(NO3)3 + Na3(PO4) = Na(NO3) + Fe3(PO4)3 =>
3 Fe(NO3)3 + 3 Na3(PO4) = 9 Na(NO3) + Fe3(PO4)3
HCOOH + HCOONa = H2COONa + HCOO =>
HCOOH + HCOONa = H2COONa + HCOO
C(s) + H2O = CO + H2(g) =>
C(s) + H2O = CO + H2(g)
Mg2 + Cl = Mg(Cl)2 =>
Mg2 + 4 Cl = 2 Mg(Cl)2
HCOOH + OH = CO2 + H2O =>
HCOOH + 2 OH = CO2 + 2 H2O
C6 + O2 = CO =>
C6 + 3 O2 = 6 CO
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
FeS2 + HCl + H2O2 = FeCl3 + SO2 + H2O =>
2 FeS2 + 6 HCl + 11 H2O2 = 2 FeCl3 + 4 SO2 + 14 H2O
CUO + C = CU + CO =>
CUO + C = CU + CO
Na2B4O7*10H2O(borax) + NaOH = NaBO2 + H2O =>
Na2B4O7*10H2O(borax) + 2 NaOH = 4 NaBO2 + 11 H2O
SO4 = SO3O =>
SO4 = SO3O
C6H12O6 + H2O = CH3O + O2 =>
2 C6H12O6 + 6 H2O = 12 CH3O + 3 O2
Sr2 + Br2 = SrBr =>
Sr2 + Br2 = 2 SrBr
K2(Zn(OH)4) + HNO3 = Zn(NO3)2 + KNO3 + H2O =>
K2(Zn(OH)4) + 4 HNO3 = Zn(NO3)2 + 2 KNO3 + 4 H2O
FeO(OH) + HNO3 = FeOH(NO3)2 + H2O =>
FeO(OH) + 2 HNO3 = FeOH(NO3)2 + H2O
Ca(ClO3)2 + KI + HCl = I2 + CaCl2 + KCl + H2O =>
Ca(ClO3)2 + 12 KI + 12 HCl = 6 I2 + CaCl2 + 12 KCl + 6 H2O
CaO + MgO + SiO2 = CaMgSi2O6 =>
CaO + MgO + 2 SiO2 = CaMgSi2O6
Zn(OH)2 + SO3 = ZnSO4 + H2O =>
Zn(OH)2 + SO3 = ZnSO4 + H2O
CuSO4(aq) + NH4OH(aq) = Cu(NH3)4(aq) + SO4(aq) + H2O(l) =>
CuSO4(aq) + 4 NH4OH(aq) = Cu(NH3)4(aq) + SO4(aq) + 4 H2O(l)
MgSO4 + AgNO3 = MgSO4AgNO3 =>
MgSO4 + AgNO3 = MgSO4AgNO3
ZnF + PBr3 = PF3 + ZnBr =>
3 ZnF + PBr3 = PF3 + 3 ZnBr
Cl2 + ZnI2 = ZnCl2 + I2 =>
Cl2 + ZnI2 = ZnCl2 + I2
SiO4{4-} + MoO4{2-} + H{+} = [SiMo12O40]{4-} + H2O =>
SiO4{4-} + 12 MoO4{2-} + 24 H{+} = [SiMo12O40]{4-} + 12 H2O
AgNO3 + AlI3 = Al(NO3)3 + AgI =>
3 AgNO3 + AlI3 = Al(NO3)3 + 3 AgI
KMnO4 + H2O + Na2SO = KOH + MnO2 + Na2SO4 =>
2 KMnO4 + H2O + Na2SO = 2 KOH + 2 MnO2 + Na2SO4
CaNO2 + Al = AlNO2 + Ca =>
CaNO2 + Al = AlNO2 + Ca
NH4 + Cl = NH4Cl =>
NH4 + Cl = NH4Cl
CuO + NaOH = Na2CuO2 + H2O =>
CuO + 2 NaOH = Na2CuO2 + H2O
LiCl + Li2CrO4 + H2O + CO2 = Li2CO3 + Cr(OH)3 + LiClO4 =>
3 LiCl + 8 Li2CrO4 + 12 H2O + 8 CO2 = 8 Li2CO3 + 8 Cr(OH)3 + 3 LiClO4
Ca(NO3)2 + Al(OH)3 = Al(NO3)3 + Ca(OH)2 =>
3 Ca(NO3)2 + 2 Al(OH)3 = 2 Al(NO3)3 + 3 Ca(OH)2
Cr2K2O7 + C6H12 = Cr2K2 + H2O + CO3 =>
24 Cr2K2O7 + 7 C6H12 = 24 Cr2K2 + 42 H2O + 42 CO3
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