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4 HI + Br2 = 2 I2 + 2 H2Br
CH3COOH + Ca(HCO3)2 = (CH3COO)2Ca + H2O + CO2 =>
2 CH3COOH + Ca(HCO3)2 = (CH3COO)2Ca + 2 H2O + 2 CO2
Na2MoO4 + Na2HPO4 + HCl = H3[PMo12O40] + NaCl + H2O =>
12 Na2MoO4 + Na2HPO4 + 26 HCl = H3[PMo12O40] + 26 NaCl + 12 H2O
C2 + H = CH4 =>
C2 + 8 H = 2 CH4
KIO4 + MnCl2 + H2O + KCl = KMnO4 + KIO3 + HCl =>
5 KIO4 + 2 MnCl2 + 3 H2O + 2 KCl = 2 KMnO4 + 5 KIO3 + 6 HCl
CoCl2 + NaHCO3 = CoCO3 + NaHCl2 =>
CoCl2 + NaHCO3 = CoCO3 + NaHCl2
Cu(NH3)4(OH)2 + (NH4)2S = CuS + NH3 + H2O =>
Cu(NH3)4(OH)2 + (NH4)2S = CuS + 6 NH3 + 2 H2O
KI + Br2 = K2Br2 + I =>
2 KI + Br2 = K2Br2 + 2 I
C34H4 + O2 = CO2 + H2O =>
C34H4 + 35 O2 = 34 CO2 + 2 H2O
KNO2 + KY + H2SO4 = Y + NO + K2SO4 + H2O =>
KNO2 + KY + H2SO4 = Y + NO + K2SO4 + H2O
KI + Br2 = K2Br2 + I =>
2 KI + Br2 = K2Br2 + 2 I
K2CrO4(aq) + Pb(C2H3O2)2(aq) = PbCrO4(s) + K2(C2H3O2)2(aq) =>
K2CrO4(aq) + Pb(C2H3O2)2(aq) = PbCrO4(s) + K2(C2H3O2)2(aq)
MoO2 + H = Mo + H2O =>
MoO2 + 4 H = Mo + 2 H2O
CaF2 + Na3PO4 = Ca3(PO4)2 + NaF =>
3 CaF2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaF
Na + Co(NO3)3 = Na(NO3) + Co =>
3 Na + Co(NO3)3 = 3 Na(NO3) + Co
H3SbO4 = Sb4O10 + H2O =>
4 H3SbO4 = Sb4O10 + 6 H2O
C2H5COOH + O2 = CO + H2O =>
C2H5COOH + 2 O2 = 3 CO + 3 H2O
KI + Br2 = K2Br2 + I =>
2 KI + Br2 = K2Br2 + 2 I
NaNO3 + Se = SeO2 + Na2O + NO =>
4 NaNO3 + 3 Se = 3 SeO2 + 2 Na2O + 4 NO
Fr + N = FrN =>
Fr + N = FrN
Zn + Ni3(PO4)2 = Zn3(PO4)2 + Ni =>
3 Zn + Ni3(PO4)2 = Zn3(PO4)2 + 3 Ni
S2O8{2-} + I{-} = SO4{2-} + I2 =>
S2O8{2-} + 2 I{-} = 2 SO4{2-} + I2
Ca5 + H2O = Ca(OH)2 + H2 =>
Ca5 + 10 H2O = 5 Ca(OH)2 + 5 H2
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
NO + FeSO4 = FeNOSO4 =>
NO + FeSO4 = FeNOSO4
AgClO2 + NH3 = NH3*AgClO2 =>
AgClO2 + NH3 = NH3*AgClO2
MgSO4 + (NH4)2S = MgS + (NH4)2SO4 =>
MgSO4 + (NH4)2S = MgS + (NH4)2SO4
AuCl3 + Sn = SnCl2 + Au =>
2 AuCl3 + 3 Sn = 3 SnCl2 + 2 Au
NO + NO2 + H2O = HNO2 =>
NO + NO2 + H2O = 2 HNO2
Cu2SO4 + H2SO4 = SO2 + CuSO4 + H2O =>
Cu2SO4 + 2 H2SO4 = SO2 + 2 CuSO4 + 2 H2O
HgO(calor) = Hg + O2 =>
2 HgO(calor) = 2 Hg + O2
Ca(SO4) + NaCl = Na2(SO4) + CaCl2 =>
Ca(SO4) + 2 NaCl = Na2(SO4) + CaCl2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH2O + CrO3 + H2SO4 = CO2 + Cr2(SO4)3 + H2O =>
3 CH2O + 4 CrO3 + 6 H2SO4 = 3 CO2 + 2 Cr2(SO4)3 + 9 H2O
Sr + Se = SrSe =>
Sr + Se = SrSe
MgSO4 + CO2 = MgCO3 + SO3 =>
MgSO4 + CO2 = MgCO3 + SO3
KI + Br2 = K2Br2 + I =>
2 KI + Br2 = K2Br2 + 2 I
MnO2 + HNO3 + NaNO2 = Mn(NO3)2 + H2ONaNO3 =>
MnO2 + 2 HNO3 + NaNO2 = Mn(NO3)2 + H2ONaNO3
Mn(NO3)2 + Na2S = MnS + Na2(NO3)2 =>
Mn(NO3)2 + Na2S = MnS + Na2(NO3)2
FeCl3 + HNO3 = Fe(NO3)3 + HCl =>
FeCl3 + 3 HNO3 = Fe(NO3)3 + 3 HCl
P4 + CdBr2 = Cd3P2 + Br =>
P4 + 6 CdBr2 = 2 Cd3P2 + 12 Br
Na2CO3 + H2O + CO2 = NaHCO3 =>
Na2CO3 + H2O + CO2 = 2 NaHCO3
CaCl2(ac) + Na3PO4(ac) = Ca3(PO4)2(ac) + NaCl(ac) =>
3 CaCl2(ac) + 2 Na3PO4(ac) = Ca3(PO4)2(ac) + 6 NaCl(ac)
Cl2 + NaOH + Cr2S3 = Na2SO4 + Na2CrO4 + NaCl + H2O =>
15 Cl2 + 40 NaOH + Cr2S3 = 3 Na2SO4 + 2 Na2CrO4 + 30 NaCl + 20 H2O
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
Sr + Se = SrSe =>
Sr + Se = SrSe
HOCH2CH2CH2OH + O2 = CH3CH3COOH + H2O =>
4 HOCH2CH2CH2OH + O2 = 4 CH3CH3COOH + 2 H2O
KI + Br2 = K2Br2 + I =>
2 KI + Br2 = K2Br2 + 2 I
H2S + HClO = S + HCl + H2O =>
H2S + HClO = S + HCl + H2O
I2 + NHO3 = HIO3 + NO2 + H2 =>
I2 + 6 NHO3 = 2 HIO3 + 6 NO2 + 2 H2
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