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K2CO3 + Ca(OH)2 = 2 KOH + CaCO3
NaCO3(s) + H2SO4(aq) = NaSO4 + CO2 + H2O =>
NaCO3(s) + H2SO4(aq) = NaSO4 + CO2 + H2O
NaBr + MgSO4 = NaSO4 + MgBr =>
NaBr + MgSO4 = NaSO4 + MgBr
Cr2O3 + KOH + H2O = K2CrO4 + H2 =>
Cr2O3 + 4 KOH + H2O = 2 K2CrO4 + 3 H2
K3PO4 + MgCl2 = K2Mg + PO4 + Cl =>
2 K3PO4 + 3 MgCl2 = 3 K2Mg + 2 PO4 + 6 Cl
NaOH + KHCO3 = NaHCO3 + KOH =>
NaOH + KHCO3 = NaHCO3 + KOH
CH4 + SO4{-2} = HS{-} + CO2 + H2O + {-} =>
9 CH4 + 8 SO4{-2} = 8 HS{-} + 9 CO2 + 14 H2O + 8e
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2SO3 = H2O + SO2 =>
H2SO3 = H2O + SO2
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
NaCl + *3AgNO3 = NaNO3 + AgCl =>
3 NaCl + *3AgNO3 = 3 NaNO3 + 3 AgCl
CrCl3 + Na2S2O3 + NaOH = NaCl + SO2 + Cr(OH)2 + H2O =>
4 CrCl3 + Na2S2O3 + 10 NaOH = 12 NaCl + 2 SO2 + 4 Cr(OH)2 + H2O
Ag2S + Al = Ag + Al2S3 =>
3 Ag2S + 2 Al = 6 Ag + Al2S3
CaSO4 + Pb(NO3)2 = Ca(NO3)2 + PbSO4 =>
CaSO4 + Pb(NO3)2 = Ca(NO3)2 + PbSO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
FeCl3 + H2S = Fe2S3 + HCl =>
2 FeCl3 + 3 H2S = Fe2S3 + 6 HCl
CH4 + H2O = H2 + CO =>
CH4 + H2O = 3 H2 + CO
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
C7H6O3 + (CH3CO)2 = C9H8O4 + C2H43O2 =>
58 C7H6O3 + 39(CH3CO)2 = 62 C9H8O4 + 2 C2H43O2
CH3CH2OH + Cr2O72 + H{+} = CH3COOH + Cr3{+} + H2O =>
215 CH3CH2OH + 6 Cr2O72 + 4 H{+} = 215 CH3COOH + 4 Cr3{+} + 217 H2O
NaHCO3(aq) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g) =>
NaHCO3(aq) + HCl(aq) = NaCl(aq) + H2O(l) + CO2(g)
HNO3 + CaCO3 = Ca(NO3)2 + CO3 + H =>
2 HNO3 + CaCO3 = Ca(NO3)2 + CO3 + 2 H
Ag + Sn = Ag3Sn =>
3 Ag + Sn = Ag3Sn
CrS + O = CrO + SO =>
CrS + 2 O = CrO + SO
KMnO4 + H2SO4 = H2O + K2SO4 + Mn2SO4 + O3 =>
2 KMnO4 + 2 H2SO4 = 2 H2O + K2SO4 + Mn2SO4 + 2 O3
NH42S + ZnCl2 = NH42Cl2 + ZnS =>
NH42S + ZnCl2 = NH42Cl2 + ZnS
Na2HPO4 + FeSO4 + I2 = Fe2(HPO4)3 + NaSO4 + NaI =>
3 Na2HPO4 + 2 FeSO4 + 2 I2 = Fe2(HPO4)3 + 2 NaSO4 + 4 NaI
C3H8 + I2 = C3H7I + HI =>
C3H8 + I2 = C3H7I + HI
LiBr + AgNo3 = AgBr + LiNo3 =>
LiBr + AgNo3 = AgBr + LiNo3
H2SO4 + H2PO4 = HSO4 + H3PO4 =>
H2SO4 + H2PO4 = HSO4 + H3PO4
Fe(OH)2 + H2O + O2 = Fe(OH)3 =>
4 Fe(OH)2 + 2 H2O + O2 = 4 Fe(OH)3
C378H561O255N11S1 + O2 = CO2 + N2O5 + SO2 + H2O =>
2 C378H561O255N11S1 + 811 O2 = 756 CO2 + 11 N2O5 + 2 SO2 + 561 H2O
Cr2O3 + KOH + O2 = K2CrO4 + H2O =>
2 Cr2O3 + 8 KOH + 3 O2 = 4 K2CrO4 + 4 H2O
V2O5 + H2C2O4 = V2O3 + CO2 + H2O =>
V2O5 + 2 H2C2O4 = V2O3 + 4 CO2 + 2 H2O
Au + HNO3 + HCl = AuCl4H + H2O + NO2 =>
Au + 3 HNO3 + 4 HCl = AuCl4H + 3 H2O + 3 NO2
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H2H = H =>
H2H = 3 H
BaO + H2SO3 = Ba(HSO3)2 + H2O =>
BaO + 2 H2SO3 = Ba(HSO3)2 + H2O
Cl2 + NH4OH = NH4Cl + H2O + N2 =>
3 Cl2 + 8 NH4OH = 6 NH4Cl + 8 H2O + N2
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
C4H6 + Br2 = C4H6Br =>
2 C4H6 + Br2 = 2 C4H6Br
Fe2O3 + Sb2S3 = Fe + Sb + SO2 =>
2 Fe2O3 + Sb2S3 = 4 Fe + 2 Sb + 3 SO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
Fe(OH)3 + KOH = Fe(KO)3 + H2O =>
Fe(OH)3 + 3 KOH = Fe(KO)3 + 3 H2O
Mg(OH)2 + HC = MgC2 + H2O =>
Mg(OH)2 + 2 HC = MgC2 + 2 H2O
CH3CH2NHCH2CH3 + HCl = CH3CH2NHCH2CH3H + Cl =>
CH3CH2NHCH2CH3 + HCl = CH3CH2NHCH2CH3H + Cl
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