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Fe + CuSO4 = FeSO4 + Cu
Ba + MnO2 = BaO + Mn =>
2 Ba + MnO2 = 2 BaO + Mn
[NiOH]2SO4 + (NH4)2SO4 + NH4OH = [Ni(NH3)6]SO4 + H2O =>
[NiOH]2SO4 + (NH4)2SO4 + 10 NH4OH = 2[Ni(NH3)6]SO4 + 12 H2O
S6 + O = SO2 =>
S6 + 12 O = 6 SO2
CH4 + O2 = CH3OH =>
2 CH4 + O2 = 2 CH3OH
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
NaOH + Cl2 + Br2 = NaBrO3 + NaCl + H2O =>
12 NaOH + 5 Cl2 + Br2 = 2 NaBrO3 + 10 NaCl + 6 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
K2MnF6 + SbF6 = KSbF6 + MnF3 + F2 =>
2 K2MnF6 + 4 SbF6 = 4 KSbF6 + 2 MnF3 + 3 F2
Al + CuS = Al2S3 + Cu =>
2 Al + 3 CuS = Al2S3 + 3 Cu
(CH3CO)2O + C2H5OH = CH3CO2C2H5 + H2O =>
(CH3CO)2O + 2 C2H5OH = 2 CH3CO2C2H5 + H2O
Cr + Cr2O7{2-} + H{+} = Cr{3+} + H2O =>
2 Cr + Cr2O7{2-} + 14 H{+} = 4 Cr{3+} + 7 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
[Ni(NH3)6]{2+} + (CH3)2C2(NOH)2 = NH4{+} + NH3 + NiC8H14N4O4 =>
[Ni(NH3)6]{2+} + 2(CH3)2C2(NOH)2 = 2 NH4{+} + 4 NH3 + NiC8H14N4O4
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
C22H46(l) + O2(g) = CO2(g) + H2O =>
2 C22H46(l) + 67 O2(g) = 44 CO2(g) + 46 H2O
Na + Zn(SO4) = Na2SO4 + Zn =>
2 Na + Zn(SO4) = Na2SO4 + Zn
S2 + O4 = SO =>
2 S2 + O4 = 4 SO
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe2O3(g) + CO(g) = Fe(g) + CO2(g) =>
Fe2O3(g) + 3 CO(g) = 2 Fe(g) + 3 CO2(g)
BaCl2 + O2 = BaO + Cl2O7 =>
BaCl2 + 4 O2 = BaO + Cl2O7
CuCl2 + NH3 + H2O = NH4Cl + OH + Cu(NH3)4(H2O)2 =>
CuCl2 + 6 NH3 + 4 H2O = 2 NH4Cl + 2 OH + Cu(NH3)4(H2O)2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
LiMnO4 + NaBr + H2SO4 = MnSO4 + Na2SO4 + Li2SO4 + Br2 + H2O =>
2 LiMnO4 + 10 NaBr + 8 H2SO4 = 2 MnSO4 + 5 Na2SO4 + Li2SO4 + 5 Br2 + 8 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HNO3(ac) + NaHCO3(ac) = NaNO3 + CO2 + H2O =>
HNO3(ac) + NaHCO3(ac) = NaNO3 + CO2 + H2O
CaCO3(s) + HCl = CaCl2 + H2O + CO2 =>
CaCO3(s) + 2 HCl = CaCl2 + H2O + CO2
CH3COOH + Ag2O = CH3COOAg + H2O =>
2 CH3COOH + Ag2O = 2 CH3COOAg + H2O
Ca(OH)2 + Mg(HCO3)2 = MgCO3 + CaCO3 + H2O =>
Ca(OH)2 + Mg(HCO3)2 = MgCO3 + CaCO3 + 2 H2O
LiCl + K3PO4 = Li3PO4 + KCl =>
3 LiCl + K3PO4 = Li3PO4 + 3 KCl
Sb2O3 + C2 = Sb + CO =>
2 Sb2O3 + 3 C2 = 4 Sb + 6 CO
CuS + HNO3 = S + NO + Cu2NO3 + H2O =>
6 CuS + 4 HNO3 = 6 S + NO + 3 Cu2NO3 + 2 H2O
Pb{2+}(aq) + I{-}(aq) = PbI2(s) =>
Pb{2+}(aq) + 2 I{-}(aq) = PbI2(s)
Mg(s) + Al(NO3)3(aq) = Al(s) + Mg(NO3)2(aq) =>
3 Mg(s) + 2 Al(NO3)3(aq) = 2 Al(s) + 3 Mg(NO3)2(aq)
NaI + Cr(NO3)2 = NaNO3 + CrI2 =>
2 NaI + Cr(NO3)2 = 2 NaNO3 + CrI2
Al + NH4Cl + H2O = Al(OH)Cl2 + NH3 + H2 =>
2 Al + 4 NH4Cl + 2 H2O = 2 Al(OH)Cl2 + 4 NH3 + 3 H2
Ni + Sn = Ni3Sn4 =>
3 Ni + 4 Sn = Ni3Sn4
PbBr2 + CsBr = PbCsBr3 =>
PbBr2 + CsBr = PbCsBr3
(CN)2 + HI + H2O = CH2NH2COOH + NH4I + I2 =>
(CN)2 + 5 HI + 2 H2O = CH2NH2COOH + NH4I + 2 I2
CrO3 + S + H2O = Cr2(SO4)3 + H2 =>
2 CrO3 + 3 S + 6 H2O = Cr2(SO4)3 + 6 H2
Ag + Na2CrO4 = AgCrO4 + Na =>
Ag + Na2CrO4 = AgCrO4 + 2 Na
H + PO4 + (NH4)2MoO4 = (NH4)3[PMo12O40] + NH4 + H2O =>
24 H + PO4 + 12(NH4)2MoO4 = (NH4)3[PMo12O40] + 21 NH4 + 12 H2O
Se + HNO3 + H2O = H2SeO3 + NO =>
3 Se + 4 HNO3 + H2O = 3 H2SeO3 + 4 NO
NaNO2 + HBr = HNO2 + NaBr =>
NaNO2 + HBr = HNO2 + NaBr
HCl(aq) + Sr(s) = SrCl2(aq) + H2(g) =>
2 HCl(aq) + Sr(s) = SrCl2(aq) + H2(g)
FeCl2 + H2O2 = FeO + HCl + O2 =>
2 FeCl2 + 2 H2O2 = 2 FeO + 4 HCl + O2
NiCl2 + Na2CO3 = NiCO3 + NaCl =>
NiCl2 + Na2CO3 = NiCO3 + 2 NaCl
Cr + Ca(OH)2 = Cr(OH)3 + Ca =>
2 Cr + 3 Ca(OH)2 = 2 Cr(OH)3 + 3 Ca
NH4 + I2 = NI3 + HI =>
2 NH4 + 7 I2 = 2 NI3 + 8 HI
Cu2S2 + HNO3 = Cu2(SO4)2 + H2O + NO2 =>
Cu2S2 + 16 HNO3 = Cu2(SO4)2 + 8 H2O + 16 NO2
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