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2 Na + 2 H2O = 2 NaOH + H2
Zn(NO3)2 + NH3 = Zn(NH3)6(NO3)2 =>
Zn(NO3)2 + 6 NH3 = Zn(NH3)6(NO3)2
CaO + MgCl = CaCl + MgO =>
CaO + MgCl = CaCl + MgO
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
H{+} + Cl{-} + Sn + NO3{-} = SnCl6{2-} + NO2 + H2O =>
8 H{+} + 6 Cl{-} + Sn + 4 NO3{-} = SnCl6{2-} + 4 NO2 + 4 H2O
N2O5 = NO + O2 =>
2 N2O5 = 4 NO + 3 O2
NaNO2 + Zn + KOH + H2O = Na2[Zn(OH)4] + NH3 + K2[Zn(OH)4] =>
2 NaNO2 + 6 Zn + 10 KOH + 10 H2O = Na2[Zn(OH)4] + 2 NH3 + 5 K2[Zn(OH)4]
Fe + NaSCN = Fe(SCN)3 + Na =>
Fe + 3 NaSCN = Fe(SCN)3 + 3 Na
Cr + HPO4 = Cr2(HPO4)3 =>
2 Cr + 3 HPO4 = Cr2(HPO4)3
P4 + Br2 = PBr4 =>
P4 + 8 Br2 = 4 PBr4
Sn + PO4 = SnPO4 =>
Sn + PO4 = SnPO4
NaI + MnO2 + H2SO4 = MnSO4 + I2 + NaHSO4 + H2O =>
2 NaI + MnO2 + 3 H2SO4 = MnSO4 + I2 + 2 NaHSO4 + 2 H2O
C12H22O14 + O2 = CO2 + H2O =>
2 C12H22O14 + 21 O2 = 24 CO2 + 22 H2O
Al + Fe(NO2)2 = Al(NO2)3 + Fe =>
2 Al + 3 Fe(NO2)2 = 2 Al(NO2)3 + 3 Fe
FeCl3 + KSCN + NaCl + H2O = FeCl4KSCN + NaH + OH =>
FeCl3 + KSCN + NaCl + H2O = FeCl4KSCN + NaH + OH
FeS + HCl2 = FeCl2 + HS =>
FeS + HCl2 = FeCl2 + HS
Cu + MgSO4 = Mg + Cu(SO4)2 =>
Cu + 2 MgSO4 = 2 Mg + Cu(SO4)2
Br2(l) + CaI2(aq) = CaBr2(aq) + I2(l) =>
Br2(l) + CaI2(aq) = CaBr2(aq) + I2(l)
Sr2 + SiO4 = Sr2SiO4 =>
Sr2 + SiO4 = Sr2SiO4
FeS + HCl2 = FeCl2 + HS =>
FeS + HCl2 = FeCl2 + HS
LiAlH4 = Al + H2 + LiH =>
2 LiAlH4 = 2 Al + 3 H2 + 2 LiH
Na3[Fe(OH)6] = Fe2O3 + H2O + NaOH =>
2 Na3[Fe(OH)6] = Fe2O3 + 3 H2O + 6 NaOH
Au + HI = AuI2 + H2 =>
Au + 2 HI = AuI2 + H2
H2PH + OH = PH + H2O =>
H2PH + 2 OH = PH + 2 H2O
Ni(NO3)2 + Au = AuNO3 + Ni =>
Ni(NO3)2 + 2 Au = 2 AuNO3 + Ni
Na2Co3(calor) = Na + Co =>
Na2Co3(calor) = 2 Na + 3 Co
Al + B2O3 = Al2O3 + AlB2 =>
3 Al + B2O3 = Al2O3 + AlB2
Al + CuCl1 = AlCl3 + Cu =>
Al + 3 CuCl1 = AlCl3 + 3 Cu
C6H14O4 + O2 = CO2 + H2O =>
2 C6H14O4 + 15 O2 = 12 CO2 + 14 H2O
C4H8O + NH3 + C = C13H15N + H2O =>
2 C4H8O + NH3 + 5 C = C13H15N + 2 H2O
C6H14 + O2(g) = CO2 + H2O =>
2 C6H14 + 19 O2(g) = 12 CO2 + 14 H2O
Pb(NO3)2 + (NH4)2CO3 = PbCO3 + NH4NO3 =>
Pb(NO3)2 + (NH4)2CO3 = PbCO3 + 2 NH4NO3
B2O3 + C2 = B4C + CO =>
4 B2O3 + 7 C2 = 2 B4C + 12 CO
Na + CaO = NaO + Ca =>
Na + CaO = NaO + Ca
C5H8 = C + H =>
C5H8 = 5 C + 8 H
[Cr2(CH3COO)4(H2O)2] + H2SO4 = Cr2(SO4)3 + H2S + Cr(CH3COO)3 + H2O =>
12[Cr2(CH3COO)4(H2O)2] + 15 H2SO4 = 4 Cr2(SO4)3 + 3 H2S + 16 Cr(CH3COO)3 + 36 H2O
Zn(NO3)2 + NH3 = Zn(NH3)6(NO3)2 =>
Zn(NO3)2 + 6 NH3 = Zn(NH3)6(NO3)2
Fe(s) + HCl = FeCl2(aq) + H2(g) =>
Fe(s) + 2 HCl = FeCl2(aq) + H2(g)
CuO + CH3COOCH3 = Cu + CO2 + H2O =>
7 CuO + CH3COOCH3 = 7 Cu + 3 CO2 + 3 H2O
CH3COOH + CuO = CO2 + Cu + H2O =>
CH3COOH + 4 CuO = 2 CO2 + 4 Cu + 2 H2O
Fe(OH)2 + H2O + O2 = Fe(OH)3 =>
4 Fe(OH)2 + 2 H2O + O2 = 4 Fe(OH)3
NH3 + Zn(NO3)2 = Zn(NH3)4 + NO3 =>
4 NH3 + Zn(NO3)2 = Zn(NH3)4 + 2 NO3
CuO + CH3COOCH3 = Cu + CO2 + H2O =>
7 CuO + CH3COOCH3 = 7 Cu + 3 CO2 + 3 H2O
NiS + H2SO4 = NiSO4 + H2 + S =>
NiS + H2SO4 = NiSO4 + H2 + S
S + Fe + HCl = H2S + FeCl =>
S + 2 Fe + 2 HCl = H2S + 2 FeCl
Zn(NO3)2 + NH3 = Zn(NH3)2 + NO3 =>
Zn(NO3)2 + 2 NH3 = Zn(NH3)2 + 2 NO3
Ca + Sn(OH)3 = Sn + Ca(OH)2 =>
3 Ca + 2 Sn(OH)3 = 2 Sn + 3 Ca(OH)2
C29H23CuFN9O12S33Na + O2 = CO2 + H2O + NO3 + SO4 + F + Cu + Na =>
4 C29H23CuFN9O12S33Na + 433 O2 = 116 CO2 + 46 H2O + 36 NO3 + 132 SO4 + 4 F + 4 Cu + 4 Na
AgNO3 + Ba(OH)2 = AgOH + Ba(NO3)2 =>
2 AgNO3 + Ba(OH)2 = 2 AgOH + Ba(NO3)2
CH3CHCHCH3 + KMnO4 + H2O = CH3CH(OH)2CHCH3 + MnO2 + KOH =>
3 CH3CHCHCH3 + 2 KMnO4 + 4 H2O = 3 CH3CH(OH)2CHCH3 + 2 MnO2 + 2 KOH
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