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2 Fe(OH)2 = 2 Fe + 2 H2O + O2
Zn + HC = H2 + ZnC2 =>
Zn + 2 HC = H2 + ZnC2
Na2CO3 + KHCO3 = NaHCO3 + K2CO3 =>
Na2CO3 + 2 KHCO3 = 2 NaHCO3 + K2CO3
PH3 + LiOH = Li3P + H2O =>
PH3 + 3 LiOH = Li3P + 3 H2O
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
Si + NaOH = Na4SiO4 + H2 =>
Si + 4 NaOH = Na4SiO4 + 2 H2
(CH3)3As + O = CO2 + H2O + H3AsO4 =>
(CH3)3As + 13 O = 3 CO2 + 3 H2O + H3AsO4
CoCl2 + KSCN + C5H11OH = H2[Co(SCN)4] + KCl + C5H11OK =>
CoCl2 + 4 KSCN + 2 C5H11OH = H2[Co(SCN)4] + 2 KCl + 2 C5H11OK
F2O + NaOH = NaF + O2 + H2O =>
F2O + 2 NaOH = 2 NaF + O2 + H2O
Sn + KOH = K2SnO2 + H2 =>
Sn + 2 KOH = K2SnO2 + H2
NH4Cl + AgNO3 = AgCl + NH4NO3 =>
NH4Cl + AgNO3 = AgCl + NH4NO3
KOH + HSO = KHSO + HO =>
KOH + HSO = KHSO + HO
Na2SO3 + (NH4)2(SO4) = Na2SO4 + (NH4)2SO3 =>
Na2SO3 + (NH4)2(SO4) = Na2SO4 + (NH4)2SO3
O{2-} = O + {-} =>
O{2-} = O + 2e
MnO2 + CuSO4 = CuMn + O2SO4 =>
MnO2 + CuSO4 = CuMn + O2SO4
KSCN + PbO2 + HCl = KCl + PbCl2 + CO2 + NO2 + S + H2O =>
2 KSCN + 9 PbO2 + 20 HCl = 2 KCl + 9 PbCl2 + 2 CO2 + 2 NO2 + 2 S + 10 H2O
Na(HB(C3H4N2)3) + FeSO4*7H2O = Fe(HB(C3H4N2)3)2 + NaO2 + S + H2O =>
2 Na(HB(C3H4N2)3) + FeSO4*7H2O = Fe(HB(C3H4N2)3)2 + 2 NaO2 + S + 7 H2O
HF + Cu = CuF2 + H =>
2 HF + Cu = CuF2 + 2 H
CH3CH2CH2I + NaOH = CH3CH2CH2OH + NaI =>
CH3CH2CH2I + NaOH = CH3CH2CH2OH + NaI
CH3CHCH2 + H2O = CH3CH2OH =>
2 CH3CHCH2 + 3 H2O = 3 CH3CH2OH
K2(SO4) + BaCl2 = KCl + Ba(SO4) =>
K2(SO4) + BaCl2 = 2 KCl + Ba(SO4)
AlN + Na2SO4 = Al2(SO4)3 + Na3N =>
2 AlN + 3 Na2SO4 = Al2(SO4)3 + 2 Na3N
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C2Ag2 + HCl = C2H2 + AgCl =>
C2Ag2 + 2 HCl = C2H2 + 2 AgCl
Fe(OH)3 + KOH = Fe(KO)3 + H2O =>
Fe(OH)3 + 3 KOH = Fe(KO)3 + 3 H2O
Mn2O5 + Si = SiO2 + Mn =>
2 Mn2O5 + 5 Si = 5 SiO2 + 4 Mn
HF + Cu = CuF2 + H =>
2 HF + Cu = CuF2 + 2 H
HSO + KOH = HOH + KSO =>
HSO + KOH = HOH + KSO
Cl2 + HBr = Cl2Br + H =>
Cl2 + HBr = Cl2Br + H
Pb(NO3)3 + NaCl = PbCl3 + Na(NO3) =>
Pb(NO3)3 + 3 NaCl = PbCl3 + 3 Na(NO3)
SO2 + HF = HSO2F =>
SO2 + HF = HSO2F
NaCl + AgNO3 = NaCl(AgNO3) =>
NaCl + AgNO3 = NaCl(AgNO3)
Al4C3(s) + F2(g) = AlF3(s) + CF4(g) =>
Al4C3(s) + 12 F2(g) = 4 AlF3(s) + 3 CF4(g)
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + NH4NO3 =>
Ca(NO3)2 + (NH4)2C2O4 = CaC2O4 + 2 NH4NO3
C4H9Br + KOH = KBr + C4H8 + H2O =>
C4H9Br + KOH = KBr + C4H8 + H2O
O2 + PCl3 = POCl3 =>
O2 + 2 PCl3 = 2 POCl3
Ca + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
CuSO4 = Cu{2+} + SO4{2-}) =>
CuSO4 = Cu{2+} + SO4{2-})
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
B + HClO3 + H2O = H3BO3 + HCl =>
2 B + HClO3 + 3 H2O = 2 H3BO3 + HCl
K4[Fe(SCN)6] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + KNO3 =>
6 K4[Fe(SCN)6] + 97 K2Cr2O7 + 355 H2SO4 = 3 Fe2(SO4)3 + 97 Cr2(SO4)3 + 36 CO2 + 355 H2O + 91 K2SO4 + 36 KNO3
P2S3 + HIO3 + H2O = H3PO4 + S7 + HI =>
21 P2S3 + 35 HIO3 + 63 H2O = 42 H3PO4 + 9 S7 + 35 HI
Mg(NO3)2 + K2CO3 = K(NO3) + MgCO3 =>
Mg(NO3)2 + K2CO3 = 2 K(NO3) + MgCO3
Ca(NO3)2 + FeCl2 = CaCl2 + Fe(NO3)2 =>
Ca(NO3)2 + FeCl2 = CaCl2 + Fe(NO3)2
B + HClO3 + H2O = H3BO3 + HCl =>
2 B + HClO3 + 3 H2O = 2 H3BO3 + HCl
Na2CO3 + HI = NaHCO3 + NaI =>
Na2CO3 + HI = NaHCO3 + NaI
C12H26 = C2H4 + C4H10 =>
C12H26 = 4 C2H4 + C4H10
CH3Cl + Na = C4H10 + NaCl + HCl =>
4 CH3Cl + 2 Na = C4H10 + 2 NaCl + 2 HCl
ClO4{-} + H3O = Cl{-} + H2O =>
ClO4{-} + 8 H3O = Cl{-} + 12 H2O
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