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5 Cu + 4 H2SO4 = 4 H2O + 3 CuSO4 + Cu2S
Fe + CH3COOH = H2 + Fe(CH3COO)2 =>
Fe + 2 CH3COOH = H2 + Fe(CH3COO)2
Na2S2O5 + H2O = Na{+} + HSO3{-} =>
Na2S2O5 + H2O = 2 Na{+} + 2 HSO3{-}
Ag + HNO3 + HCl = AgCl + NO + H2O =>
3 Ag + HNO3 + 3 HCl = 3 AgCl + NO + 2 H2O
K2SnO3 + HCl = KCl + SnCl4 + H2O =>
K2SnO3 + 6 HCl = 2 KCl + SnCl4 + 3 H2O
N2H4 + NO2 = HN3 + H2O =>
13 N2H4 + 10 NO2 = 12 HN3 + 20 H2O
Mg + HNO3 = MgNO3 + N2O3 + H2O =>
4 Mg + 6 HNO3 = 4 MgNO3 + N2O3 + 3 H2O
Cu + H2SO4 = H2O + CuSO4 + Cu2S =>
5 Cu + 4 H2SO4 = 4 H2O + 3 CuSO4 + Cu2S
Mn(OH)2 + PbO2 = MnO + Pb(OH)4 =>
2 Mn(OH)2 + PbO2 = 2 MnO + Pb(OH)4
Bi2S3 + HNO3 = Bi{3+} + NO3{-} + H2S =>
Bi2S3 + 6 HNO3 = 2 Bi{3+} + 6 NO3{-} + 3 H2S
CaCO3 + CH3(COOH) = Ca2 + H2O + CO2 =>
4 CaCO3 + CH3(COOH) = 2 Ca2 + 2 H2O + 6 CO2
Cu + H2SO4 = H2O + CuSO4 + Cu2S =>
5 Cu + 4 H2SO4 = 4 H2O + 3 CuSO4 + Cu2S
SnCl2 + K2Cr2O7 + H2SO4 = Sn(SO4)2 + SnCl4 + Cr2(SO4)3 + K2SO4 + H2O =>
6 SnCl2 + 2 K2Cr2O7 + 14 H2SO4 = 3 Sn(SO4)2 + 3 SnCl4 + 2 Cr2(SO4)3 + 2 K2SO4 + 14 H2O
NaHSeO3 + KBrO3 + HCl = NaCl + BrK + H2SeO4 =>
3 NaHSeO3 + KBrO3 + 3 HCl = 3 NaCl + BrK + 3 H2SeO4
Cu + H2SO4 = H2O + CuSO4 + Cu2S =>
5 Cu + 4 H2SO4 = 4 H2O + 3 CuSO4 + Cu2S
CCl4 + AgNO3 = CNO3 + AgCl4 =>
CCl4 + AgNO3 = CNO3 + AgCl4
SO4{2-} + H2 = SO2{2-} + H2O2 =>
SO4{2-} + H2 = SO2{2-} + H2O2
HClO8 + P + H2O = H3PO4 + HCl =>
5 HClO8 + 16 P + 24 H2O = 16 H3PO4 + 5 HCl
Li + HNO3 = Li(NO3)2 + NH4NO3 + H2O =>
4 Li + 10 HNO3 = 4 Li(NO3)2 + NH4NO3 + 3 H2O
Cu + H2SO4 = H2O + CuSO4 + Cu2S =>
5 Cu + 4 H2SO4 = 4 H2O + 3 CuSO4 + Cu2S
SrO + La2O3 + MgO + Os + PbO2 = SrLaMgOsO6 + PbO =>
2 SrO + La2O3 + 2 MgO + 2 Os + 5 PbO2 = 2 SrLaMgOsO6 + 5 PbO
K2O + S = SO3 + K =>
3 K2O + S = SO3 + 6 K
CH3CH2CH2OH + CH3CH2CH2COOH = CH3CH2CH2CH2OC(O)CH2CH3 + H2O =>
CH3CH2CH2OH + CH3CH2CH2COOH = CH3CH2CH2CH2OC(O)CH2CH3 + H2O
Mn(NO3)2 + H2O2 + NaOH = MnO2 + Na(NO3)2 + H2O =>
2 Mn(NO3)2 + 3 H2O2 + 2 NaOH = 2 MnO2 + 2 Na(NO3)2 + 4 H2O
CH3F + F2 = CF4 + HF =>
CH3F + 3 F2 = CF4 + 3 HF
Hg(OH) + H3 + PO4 = Hg(PO4)2 + H2O =>
3 Hg(OH) + H3 + 6 PO4 = 3 Hg(PO4)2 + 3 H2O
Ni(NO3)2 + (NH4)2S = NH4NO3 + NiS =>
Ni(NO3)2 + (NH4)2S = 2 NH4NO3 + NiS
XaCNS + Na = NaCNS + Xa =>
XaCNS + Na = NaCNS + Xa
Br + CaCl2 = CaBr + Cl =>
Br + CaCl2 = CaBr + 2 Cl
Hg(OH) + H3 + PO4 = Hg(PO4)2 + H2O =>
3 Hg(OH) + H3 + 6 PO4 = 3 Hg(PO4)2 + 3 H2O
CuZn + HCl = Cu + ZnCl2 + H2 =>
CuZn + 2 HCl = Cu + ZnCl2 + H2
CuO + HCl = CuCl + H2O + O2 =>
4 CuO + 4 HCl = 4 CuCl + 2 H2O + O2
MnO2 + NaI + H2SO4 = H2O + I2 + MnHSO4 + Na2SO4 =>
2 MnO2 + 6 NaI + 5 H2SO4 = 4 H2O + 3 I2 + 2 MnHSO4 + 3 Na2SO4
Al + Ni{2+} = Ni + Al{2+} =>
Al + Ni{2+} = Ni + Al{2+}
CuSO4 + NaBr + SO2 + H2O = CuBr + Na2SO4 + H2SO4 =>
2 CuSO4 + 2 NaBr + SO2 + 2 H2O = 2 CuBr + Na2SO4 + 2 H2SO4
NaS2 + H2SO4 = Na2SO4 + H2O + SO2 =>
2 NaS2 + 10 H2SO4 = Na2SO4 + 10 H2O + 13 SO2
Ti2(SO4)3 + Fe2(SO4)3 + H2O = TiOSO4 + H2SO4 + FeSO4 =>
Ti2(SO4)3 + Fe2(SO4)3 + 2 H2O = 2 TiOSO4 + 2 H2SO4 + 2 FeSO4
Al2O3 + Br2 = AlBr3 + O2Br2 =>
2 Al2O3 + 9 Br2 = 4 AlBr3 + 3 O2Br2
Hg(OH) + H3 + PO4 = Hg(PO4)2 + H2O =>
3 Hg(OH) + H3 + 6 PO4 = 3 Hg(PO4)2 + 3 H2O
Zn(NH3)4Br2 = [Zn(NH3)4]Br2 =>
Zn(NH3)4Br2 = [Zn(NH3)4]Br2
NaHCO3 + Ca(OH)2 = Ca(HCO3)2 + Na2CO3 + H2O =>
4 NaHCO3 + Ca(OH)2 = Ca(HCO3)2 + 2 Na2CO3 + 2 H2O
CH3CH2CH2OH + CuO = CH3CH2CHO + Cu + H2O =>
CH3CH2CH2OH + CuO = CH3CH2CHO + Cu + H2O
HBO3 + NaOH = H2O + NaBO3 =>
HBO3 + NaOH = H2O + NaBO3
CuCl2 = Cu{2+}2 + Cl{-} =>
CuCl2 = Cu{2+}2 + 2 Cl{-}
SO4 + BaOH = BaO5SH =>
SO4 + BaOH = BaO5SH
FeCl3 + CH3COONa = FeNa3 + CH3COOCl =>
FeCl3 + 3 CH3COONa = FeNa3 + 3 CH3COOCl
NH4Cl + S8 = (NH4)2S + Cl2 =>
16 NH4Cl + S8 = 8(NH4)2S + 8 Cl2
Sc2O3 + Cl2 + S2Cl2 = ScCl + SOCl2 =>
2 Sc2O3 + 5 Cl2 + 3 S2Cl2 = 4 ScCl + 6 SOCl2
O2 + C12H22O11 = H2O + CO2 =>
12 O2 + C12H22O11 = 11 H2O + 12 CO2
H3PO4 + Ag2CO3 = Ag3PO4 + H2O + CO2 =>
2 H3PO4 + 3 Ag2CO3 = 2 Ag3PO4 + 3 H2O + 3 CO2
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