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Fe2(SO4)3 + 3 Pb = 3 Pb(SO4) + 2 Fe
HCN = H2 + CN =>
2 HCN = H2 + 2 CN
CaCO3(s) + HCl(g) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(g) = H2O(l) + CO2(g) + CaCl2(aq)
CH3NH2 + H2O = HCH3NH2 + OH =>
CH3NH2 + H2O = HCH3NH2 + OH
H2SO4 + Zr(OH)4 = Zr(SO4)2 + H2O =>
2 H2SO4 + Zr(OH)4 = Zr(SO4)2 + 4 H2O
K + CH3COOH = KCH3COO + H2 =>
2 K + 2 CH3COOH = 2 KCH3COO + H2
Na2CrO4 + HCl = Na2Cr2O7 + NaCl + H2O =>
2 Na2CrO4 + 2 HCl = Na2Cr2O7 + 2 NaCl + H2O
Cu[NO3]2 = CuO + O2 + NO2 =>
2 Cu[NO3]2 = 2 CuO + O2 + 4 NO2
SO2 + HCl = SCl + HO2 =>
SO2 + HCl = SCl + HO2
FeCl2 + HNO3 = Fe(NO3)3 + HCl + NO + H2O =>
3 FeCl2 + 10 HNO3 = 3 Fe(NO3)3 + 6 HCl + NO + 2 H2O
CH3CH2OH + K2Cr2O7 + HCl = CH3COOH + CrCl3 + H2O + KCl =>
3 CH3CH2OH + 2 K2Cr2O7 + 16 HCl = 3 CH3COOH + 4 CrCl3 + 11 H2O + 4 KCl
Fe + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + KHSO4 + H2O =>
10 Fe + 6 KMnO4 + 27 H2SO4 = 5 Fe2(SO4)3 + 6 MnSO4 + 6 KHSO4 + 24 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
AgCl + NH3 = Ag(NH3) + Cl =>
AgCl + NH3 = Ag(NH3) + Cl
NH4O3 = N2 + O2 + H2 =>
2 NH4O3 = N2 + 3 O2 + 4 H2
Sn + Pb(NO3)2 = Pb + Sn(NO3)4 =>
Sn + 2 Pb(NO3)2 = 2 Pb + Sn(NO3)4
HOCH2CH2OH + KMnO4 = H2CO + MnO2 + KOH + H2O =>
3 HOCH2CH2OH + 2 KMnO4 = 6 H2CO + 2 MnO2 + 2 KOH + 2 H2O
KMnO4 + N2H4 = MnO2 + N2 + KOH + H2O =>
4 KMnO4 + 3 N2H4 = 4 MnO2 + 3 N2 + 4 KOH + 4 H2O
SiH4 + O2 = Si4O2 + H2O =>
4 SiH4 + 5 O2 = Si4O2 + 8 H2O
HB + O2 = HBO2 =>
HB + O2 = HBO2
SrO + SO2 = SrSO3 =>
SrO + SO2 = SrSO3
NaOH(aq) + MgBr2(aq) = NaBr2(aq) + MgOH(s) =>
NaOH(aq) + MgBr2(aq) = NaBr2(aq) + MgOH(s)
Zn{2+} + NaOH = Zn(OH)4{2-} + Na{+} =>
Zn{2+} + 4 NaOH = Zn(OH)4{2-} + 4 Na{+}
NH2OH + H2O = NH3 + OH =>
NH2OH + H2O = NH3 + 2 OH
NaHCO3 + Ca(OH)2 = CaCO3 + H2O + NaOH =>
NaHCO3 + Ca(OH)2 = CaCO3 + H2O + NaOH
Co(NO3)2(aq) + Na2CO3(aq) = CoCO3(s) + NaNO3(aq) =>
Co(NO3)2(aq) + Na2CO3(aq) = CoCO3(s) + 2 NaNO3(aq)
NH4OH + O2 = NO2 + H2O =>
4 NH4OH + 7 O2 = 4 NO2 + 10 H2O
Zn + CuCo3 = ZnCo3 + Cu =>
Zn + CuCo3 = ZnCo3 + Cu
Au(s) + NaBr(aq) = Au2Br + Na =>
2 Au(s) + NaBr(aq) = Au2Br + Na
SrCO3 + CH3COOH = Sr{2+} + CO2 + H2O + CH3COO{-} =>
SrCO3 + 2 CH3COOH = Sr{2+} + CO2 + H2O + 2 CH3COO{-}
N8 + O2 = NO3 =>
N8 + 12 O2 = 8 NO3
BaSO4 + NaHCO3 = Ba(HCO3)2 + Na2SO4 =>
BaSO4 + 2 NaHCO3 = Ba(HCO3)2 + Na2SO4
Fe(OH)3 + H3AsO4 = FeAsO4 + H2O =>
Fe(OH)3 + H3AsO4 = FeAsO4 + 3 H2O
CH3COOH + H2O2 = (CH3COO)2 + H2O =>
2 CH3COOH + H2O2 = (CH3COO)2 + 2 H2O
NaOH(aq) = Na2O(s) + H2O(l) =>
2 NaOH(aq) = Na2O(s) + H2O(l)
K2S + Zn = ZnS + K =>
K2S + Zn = ZnS + 2 K
NiSO4 + NH3 = NiH3 + NSO4 =>
NiSO4 + NH3 = NiH3 + NSO4
Zn(OH)2 + P2O5 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + P2O5 = Zn3(PO4)2 + 3 H2O
Al + NaNO3 + NaOH = Na3AlO2 + NH3 + H2O =>
8 Al + NaNO3 + 23 NaOH = 8 Na3AlO2 + NH3 + 10 H2O
Fe3(aq) + OH(aq) = Fe(OH)3(s) =>
Fe3(aq) + 9 OH(aq) = 3 Fe(OH)3(s)
C4H10 + O2 = C3H6O2 + H2O =>
6 C4H10 + 11 O2 = 8 C3H6O2 + 6 H2O
Ca + Cu2{+} = Ca2{+} + Cu =>
2 Ca + Cu2{+} = Ca2{+} + 2 Cu
Pb(NO3)2 + (NH4)2CO3 = PbCO3 + NH4NO3 =>
Pb(NO3)2 + (NH4)2CO3 = PbCO3 + 2 NH4NO3
Zn + Au(NO2) = Zn(NO2)2 + Au =>
Zn + 2 Au(NO2) = Zn(NO2)2 + 2 Au
CH2O2 + NaOH = CHO2Na + H2O =>
CH2O2 + NaOH = CHO2Na + H2O
Co + SCN = Co(SCN)4 =>
Co + 4 SCN = Co(SCN)4
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
Cu + Hg(NO3)2 = CuNO3 + Hg =>
2 Cu + Hg(NO3)2 = 2 CuNO3 + Hg
Li2SO4 + H2O = LiOH + SO3 =>
Li2SO4 + H2O = 2 LiOH + SO3
Co + H{+} = Co{2+} + H2 =>
Co + 2 H{+} = Co{2+} + H2
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