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5 C2H6O + K2CrO7 + 2 H2SO4 = 5 C2H4O + CrSO4 + K2SO4 + 7 H2O
HBr + KCl = HK + BrCl =>
HBr + KCl = HK + BrCl
P4 + NaOH + H2O = PH4 + NaHPO2 =>
3 P4 + 8 NaOH + 8 H2O = 4 PH4 + 8 NaHPO2
NH4NO3 = N2 + H2O + O2 = Cl2 + N2 + H2O + O2 =>
2 NH4NO3 = 2 N2 + 4 H2O + O2
HSO2 + KOH = H2O + KSO2 =>
HSO2 + KOH = H2O + KSO2
HNO3 + K2CrO4 + FeN2O6 = KNO3 + FeN3O9 + CrN3 + H2O =>
26 HNO3 + K2CrO4 + 21 FeN2O6 = 2 KNO3 + 21 FeN3O9 + CrN3 + 13 H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Pb3O4 + H2C2O4 + H2SO4 = PbSO4 + CO2 + H2O =>
Pb3O4 + H2C2O4 + 3 H2SO4 = 3 PbSO4 + 2 CO2 + 4 H2O
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
FeSO3 + HNO3 = NO + FeSO4 + H2 =>
4 FeSO3 + 2 HNO3 = 2 NO + 4 FeSO4 + H2
Sr3P2 + O2 = SrO + P =>
2 Sr3P2 + 3 O2 = 6 SrO + 4 P
Fe2 + NH4SCN = [Fe(SCN)6]3 + NH4 =>
3 Fe2 + 36 NH4SCN = 2[Fe(SCN)6]3 + 36 NH4
Cu2O + Cu2S = Cu + SO2 =>
2 Cu2O + Cu2S = 6 Cu + SO2
KOH + K = K2O + H2 =>
2 KOH + 2 K = 2 K2O + H2
C3H7OH + HBr = C3H7Br + H2O =>
C3H7OH + HBr = C3H7Br + H2O
Na2BeO2 + HCl = NaCl + BeCl2 + H2O =>
Na2BeO2 + 4 HCl = 2 NaCl + BeCl2 + 2 H2O
NaOH + H2SO4 = Na2SO4 + HOH =>
2 NaOH + H2SO4 = Na2SO4 + 2 HOH
NH4NO3(g) = N2O(g) + H2O(lg) =>
NH4NO3(g) = N2O(g) + 2 H2O(lg)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH3 + H2O + Fe(NO3)3 = Fe(OH)3 + NH4NO3 =>
3 NH3 + 3 H2O + Fe(NO3)3 = Fe(OH)3 + 3 NH4NO3
Zn(OH)2 + H3Po4 = Zn3(Po4)2 + H2O =>
3 Zn(OH)2 + 2 H3Po4 = Zn3(Po4)2 + 6 H2O
Fe(OH)3 + HNO3 = Fe{3+} + NO3{-} + H2O =>
Fe(OH)3 + 3 HNO3 = Fe{3+} + 3 NO3{-} + 3 H2O
NaClO3 + SO2 + H2O = Na2SO4 + H2SO4 + Cl2 =>
2 NaClO3 + 5 SO2 + 4 H2O = Na2SO4 + 4 H2SO4 + Cl2
NO2 + NaOH + NaOCl = NaNO3 + NaCl + H2O =>
2 NO2 + 2 NaOH + NaOCl = 2 NaNO3 + NaCl + H2O
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
P4 + NaOH + H2O = PH3 + NaH2PO2 =>
P4 + 3 NaOH + 3 H2O = PH3 + 3 NaH2PO2
Fe2(SO4)3 + H2O = Fe(OH)3 + H2SO4 =>
Fe2(SO4)3 + 6 H2O = 2 Fe(OH)3 + 3 H2SO4
TiO2 + C + Cl2 = TiCl4 + CO2 =>
TiO2 + C + 2 Cl2 = TiCl4 + CO2
MgP2 + H2O = H2 + MgO + P2 =>
MgP2 + H2O = H2 + MgO + P2
H2O + CH3COOH = CH3CH2OH + O2 =>
H2O + CH3COOH = CH3CH2OH + O2
CH3CH2CH2Cl + KOH = CH3CH2CH2OH + KCl =>
CH3CH2CH2Cl + KOH = CH3CH2CH2OH + KCl
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Cr(NO3)3 + NaCl = CrCl3 + NaNO3 =>
Cr(NO3)3 + 3 NaCl = CrCl3 + 3 NaNO3
Zn(NO3)2 = ZnO + O2 + NO2 =>
2 Zn(NO3)2 = 2 ZnO + O2 + 4 NO2
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
PbS + HNO3 = PbSO4 + NO2 + H2O =>
PbS + 8 HNO3 = PbSO4 + 8 NO2 + 4 H2O
HSO2 + KOH = H2O + KSO2 =>
HSO2 + KOH = H2O + KSO2
Mg(CH3COO)2 + AgCl = MgCl2 + AgCH3COO =>
Mg(CH3COO)2 + 2 AgCl = MgCl2 + 2 AgCH3COO
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Pb(s) + Cl2(g) = Cl{-}(aq) + Pb{2+}(aq) =>
Pb(s) + Cl2(g) = 2 Cl{-}(aq) + Pb{2+}(aq)
CdCl2(aq) + NaOH(aq) = Cd(OH)2 + NaCl(aq) =>
CdCl2(aq) + 2 NaOH(aq) = Cd(OH)2 + 2 NaCl(aq)
ZnO + N2O5 = Zn(NO3)2 =>
ZnO + N2O5 = Zn(NO3)2
CrCl3 + NH3 + H2O = Cr(OH)3 + NH4Cl =>
CrCl3 + 3 NH3 + 3 H2O = Cr(OH)3 + 3 NH4Cl
Ca + H2SO4 = CaSO4 + H2 = =>
Ca + H2SO4 = CaSO4 + H2
Al + OH = Al(OH)3 =>
Al + 3 OH = Al(OH)3
Cl2 + KBr2 = Br + KCl =>
Cl2 + 2 KBr2 = 4 Br + 2 KCl
AlCl3 + Na2S = Al2S3 + NaCl =>
2 AlCl3 + 3 Na2S = Al2S3 + 6 NaCl
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
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