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2 H2 + O2 = 2 H2O
NaBH4 + H2O = NaB(OH)4 + H2 =>
NaBH4 + 4 H2O = NaB(OH)4 + 4 H2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
SbO3H3 + HCl = SbCl3 + H2O =>
SbO3H3 + 3 HCl = SbCl3 + 3 H2O
SrCO3 + MgO + WO3 = Sr4MgWO8 + CO2 =>
4 SrCO3 + MgO + WO3 = Sr4MgWO8 + 4 CO2
Cr + AlP = Al + CrP =>
Cr + AlP = Al + CrP
Fe(NH4)2(SO4)2 + NaOH = Fe(NH4)2(OH)2 + NaSO4 =>
Fe(NH4)2(SO4)2 + 2 NaOH = Fe(NH4)2(OH)2 + 2 NaSO4
C(s) + HNO3 = NO2(g) + H2O(l) + CO2(g) =>
C(s) + 4 HNO3 = 4 NO2(g) + 2 H2O(l) + CO2(g)
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NCu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
NCu + 8 HNO3 = Cu(NO3)2 + 7 NO2 + 4 H2O
Ni + LiCN = Ni(CN)4 + Li =>
Ni + 4 LiCN = Ni(CN)4 + 4 Li
Pb(CO3)2(s) = PbO2(s) + CO2(g) =>
Pb(CO3)2(s) = PbO2(s) + 2 CO2(g)
C17H33COOH + NaHCO3 = C17H33COONa + H2O + CO2 =>
C17H33COOH + NaHCO3 = C17H33COONa + H2O + CO2
Na3PO4 + CuSO4 = Cu3(PO4)2 + (Na) + (SO4) =>
2 Na3PO4 + 3 CuSO4 = Cu3(PO4)2 + 6(Na) + 3(SO4)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
AgCl + KI = KCl + AgI =>
AgCl + KI = KCl + AgI
*N2 + *3H2 = NH3 =>
*N2 + *3H2 = 2 NH3
KMnO4 + Na2SO3 + KOH = K2MnO4 + Na2SO4 + H2O =>
2 KMnO4 + Na2SO3 + 2 KOH = 2 K2MnO4 + Na2SO4 + H2O
KIO3 + H2SO3 + K2O = K2SO4 + I2 + H2O =>
2 KIO3 + 5 H2SO3 + 4 K2O = 5 K2SO4 + I2 + 5 H2O
CuCO3 = CO2 + CuO =>
CuCO3 = CO2 + CuO
Mg + Fe{3} = Mg{2} + Fe =>
3 Mg + 2 Fe{3} = 3 Mg{2} + 2 Fe
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
CdCl2 + NaOH = NaCl + Cd(OH)2 =>
CdCl2 + 2 NaOH = 2 NaCl + Cd(OH)2
KNO3 + MgCl2 = KCl + Mg(NO3)2 =>
2 KNO3 + MgCl2 = 2 KCl + Mg(NO3)2
CuCO3 + Al = Cu + Al2(CO3)3 =>
3 CuCO3 + 2 Al = 3 Cu + Al2(CO3)3
HAuCl4 + H2O2 = Au + O2 + HCl =>
2 HAuCl4 + 3 H2O2 = 2 Au + 3 O2 + 8 HCl
AgNO3 + K4[Fe(CN)6] = Ag4[Fe(CN)6] + KNO3 =>
4 AgNO3 + K4[Fe(CN)6] = Ag4[Fe(CN)6] + 4 KNO3
CH2ClCH2Cl + Zn = CH2CH2 + ZnCl2 =>
CH2ClCH2Cl + Zn = CH2CH2 + ZnCl2
HNO3 + Mn(OH)2 = H2O + Mn(NO3)2 =>
2 HNO3 + Mn(OH)2 = 2 H2O + Mn(NO3)2
NaOH + NaIO3 + Cl2 = NaCl + NaIO4 + H2O =>
2 NaOH + NaIO3 + Cl2 = 2 NaCl + NaIO4 + H2O
ZnS + Pt = PtS + Zn =>
ZnS + Pt = PtS + Zn
SeO2 + H2O = H2SeO3 =>
SeO2 + H2O = H2SeO3
NaCrO2 + Cl2 + NaOH = NaCrO4 + H2O + NaCl =>
NaCrO2 + 2 Cl2 + 4 NaOH = NaCrO4 + 2 H2O + 4 NaCl
CCl4 + K2Cr2O7 = COCl2 + CrO2Cl2 + KCl =>
3 CCl4 + K2Cr2O7 = 3 COCl2 + 2 CrO2Cl2 + 2 KCl
ZnCO3 + HCl = ZnCl2 + H2O + CO2 =>
ZnCO3 + 2 HCl = ZnCl2 + H2O + CO2
H2O + Ca(OCl)2 + NaBr = CaCl2 + NaOH + Br2 =>
2 H2O + Ca(OCl)2 + 4 NaBr = CaCl2 + 4 NaOH + 2 Br2
K3[Fe(CN)6] + KSCN = Fe(SCN)3 + KCN =>
K3[Fe(CN)6] + 3 KSCN = Fe(SCN)3 + 6 KCN
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
CaCl2 + KHCO3 = CaCO3 + KCl + CO2 + H2O =>
CaCl2 + 2 KHCO3 = CaCO3 + 2 KCl + CO2 + H2O
Na2CO3 + Pb3N4 = Na3N + Pb(CO3)2 =>
6 Na2CO3 + Pb3N4 = 4 Na3N + 3 Pb(CO3)2
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
AgNO2 + BaSO4 = Ag2SO4 + Ba(NO2)2 =>
2 AgNO2 + BaSO4 = Ag2SO4 + Ba(NO2)2
CH2(OH){-}C(CH3)(OH){-}CH2{-}CH3 + NaOH = CH2(ONa){-}C(CH3)(ONa){-}CH2{-}CH3 + H2O =>
CH2(OH){-}C(CH3)(OH){-}CH2{-}CH3 + NaOH = CH2(ONa){-}C(CH3)(ONa){-}CH2{-}CH3 + H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
KCO + NiBr = KBr + NiCO =>
KCO + NiBr = KBr + NiCO
Fe{2+} + Fe(CN)6{3-} = Fe3[Fe(CN)6]2 =>
3 Fe{2+} + 2 Fe(CN)6{3-} = Fe3[Fe(CN)6]2
C19H38O2 + O2 = C02 + H2O =>
2 C19H38O2 + 17 O2 = 19 C02 + 38 H2O
KSO4 + Ba(NO3)2 = KNO3 + Ba(SO4)2 =>
2 KSO4 + Ba(NO3)2 = 2 KNO3 + Ba(SO4)2
C12H26 = C6H14 + C2H4 =>
C12H26 = C6H14 + 3 C2H4
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