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2 FeO2H = Fe2O3 + H2O
KI + SO2 + H2O = KOH + S + I2 =>
4 KI + SO2 + 2 H2O = 4 KOH + S + 2 I2
Fe + F = Fe3F =>
3 Fe + F = Fe3F
AgNO3 + ZnCl2 = AgCl + Zn(NO3)2 =>
2 AgNO3 + ZnCl2 = 2 AgCl + Zn(NO3)2
Na2SO3 + S8 + H2O = Na2S2O3*5H2O =>
8 Na2SO3 + S8 + 40 H2O = 8 Na2S2O3*5H2O
C3H6Br2 + NaOH = C3H6(OH)2 + NaBr =>
C3H6Br2 + 2 NaOH = C3H6(OH)2 + 2 NaBr
Cl2O5 + H2O = H2Cl2O6 =>
Cl2O5 + H2O = H2Cl2O6
HCl + CaO2H2 = CaCl2 + H2O =>
2 HCl + CaO2H2 = CaCl2 + 2 H2O
Xe + F2 = XeF4 =>
Xe + 2 F2 = XeF4
Cu + H{+} = Cu{+2} + H =>
Cu + 2 H{+} = Cu{+2} + 2 H
H2S + Cu(C2H3O2)2 = CuS + HC2H3O2 =>
H2S + Cu(C2H3O2)2 = CuS + 2 HC2H3O2
Au + HNO3 + HCl = AuCl3 + NO + H2O =>
Au + HNO3 + 3 HCl = AuCl3 + NO + 2 H2O
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
SiI(s) + Mg(s) = Si(s) + MgI(s) =>
SiI(s) + Mg(s) = Si(s) + MgI(s)
SnCO3 + HNO3 = Sn(NO3)2 + H2CO3 =>
SnCO3 + 2 HNO3 = Sn(NO3)2 + H2CO3
CrBr3 + Na2SiO3 = Cr2(SiO3)3 + NaBr =>
2 CrBr3 + 3 Na2SiO3 = Cr2(SiO3)3 + 6 NaBr
FeH2O = FeO + H =>
FeH2O = FeO + 2 H
(CO2H)2 + KOH = K2C2O4 + H2O =>
(CO2H)2 + 2 KOH = K2C2O4 + 2 H2O
BaCl2 + CuCl2 = BaCu + Cl2 =>
BaCl2 + CuCl2 = BaCu + 2 Cl2
PbS + PbO = Pb + SO2 =>
PbS + 2 PbO = 3 Pb + SO2
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
Cu(OH)2 + NH4OH = Cu(NH3)4(OH)2 + H2O =>
Cu(OH)2 + 4 NH4OH = Cu(NH3)4(OH)2 + 4 H2O
CuCl2 + Na2S = CuS + NaCl =>
CuCl2 + Na2S = CuS + 2 NaCl
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
H2O + HCl = Cl{-} + H3O{+} =>
H2O + HCl = Cl{-} + H3O{+}
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ba + Bi(NO3)3 = Ba(NO3)2 + Bi =>
3 Ba + 2 Bi(NO3)3 = 3 Ba(NO3)2 + 2 Bi
OH{-}(aq) + H{+}(aq) = H2O(l) =>
OH{-}(aq) + H{+}(aq) = H2O(l)
Al2O3 + CuO = Cu(AlO2)2 =>
Al2O3 + CuO = Cu(AlO2)2
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
C3H8O3 + KMnO4 + H2SO4 = C2H6O4 + K2SO4 + MnSO4 + H2O = co2 =>
2 C3H8O3 + 2 KMnO4 + 3 H2SO4 = 3 C2H6O4 + K2SO4 + 2 MnSO4 + 2 H2O
AsO3{-} + I2 + H2O = AsO4 + I{-} + H{+} =>
2 AsO3{-} + 3 I2 + 2 H2O = 2 AsO4 + 6 I{-} + 4 H{+}
Bi + Cl2 = BiCl3 =>
2 Bi + 3 Cl2 = 2 BiCl3
ZnO + KOH + H2O = K + [Zn(OH)4] =>
ZnO + 2 KOH + H2O = 2 K + [Zn(OH)4]
KBr(aq) + F2(g) = KF(aq) + Br2 =>
2 KBr(aq) + F2(g) = 2 KF(aq) + Br2
Fe2O3 + H2SO4 = FeSO4 + H2O + O2 =>
2 Fe2O3 + 4 H2SO4 = 4 FeSO4 + 4 H2O + O2
CH3CH(OH)COOH + NaOH = CH3CH(ONa)COONa + H2O =>
CH3CH(OH)COOH + 2 NaOH = CH3CH(ONa)COONa + 2 H2O
Li + Br2 = LiBr =>
2 Li + Br2 = 2 LiBr
NaI + Cl2 = I2 + NaCl =>
2 NaI + Cl2 = I2 + 2 NaCl
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CaCl2 + H2SO4 = CaCl2(SO4) + H2 =>
CaCl2 + H2SO4 = CaCl2(SO4) + H2
H2SO4 + NaOH = Na2(SO4)1 + HOH =>
H2SO4 + 2 NaOH = Na2(SO4)1 + 2 HOH
P + SO2 = P2O + S =>
4 P + SO2 = 2 P2O + S
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
(NH4)Cl + Ba(OH)2 = BaCl2 + NH3 + H2O =>
2(NH4)Cl + Ba(OH)2 = BaCl2 + 2 NH3 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KH2PO4 + AgNO3 = KH2NO3 + AgPO4 =>
KH2PO4 + AgNO3 = KH2NO3 + AgPO4
HCl + AgCl = Ag + HCl2 =>
HCl + AgCl = Ag + HCl2
MnSO4 + (NH4)2S = MnS + (NH4)2SO4 =>
MnSO4 + (NH4)2S = MnS + (NH4)2SO4
Ca(OH)2 + SO3 = CaSO4 + H2O =>
Ca(OH)2 + SO3 = CaSO4 + H2O
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