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FeS2 + 18 HNO3 = Fe(NO3)3 + 2 H2SO4 + 15 NO2 + 7 H2O
KCl + HNO3 = Cl2 + H2O + KNO3 + NOCl =>
3 KCl + 4 HNO3 = Cl2 + 2 H2O + 3 KNO3 + NOCl
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
C + H2 = CH4 =>
C + 2 H2 = CH4
Na + S = NaS =>
Na + S = NaS
(NH4)2CO3 = NH3 + CO2 + H2O =>
(NH4)2CO3 = 2 NH3 + CO2 + H2O
Cu(NO3)2 + Al2(SO4)3 = CuSO4 + Al(NO3)3 =>
3 Cu(NO3)2 + Al2(SO4)3 = 3 CuSO4 + 2 Al(NO3)3
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Fe(OH)2 + CH3COOH = Fe(CH3COO)2 + H2O =>
Fe(OH)2 + 2 CH3COOH = Fe(CH3COO)2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cu + Cl = CuCl2 =>
Cu + 2 Cl = CuCl2
Zn + HCl = H + ZnCl =>
Zn + HCl = H + ZnCl
PbO2 = Pb + O =>
PbO2 = Pb + 2 O
V + H2O2 = V2O5 + H2O =>
2 V + 5 H2O2 = V2O5 + 5 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na + HCl = H + NaCl =>
Na + HCl = H + NaCl
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
GaBr3 + Na2SO3 = Ga2(SO3)3 + NaBr =>
2 GaBr3 + 3 Na2SO3 = Ga2(SO3)3 + 6 NaBr
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Na2SO4 + Ba(NO3)2 = BaSO4 + NaNO3 =>
Na2SO4 + Ba(NO3)2 = BaSO4 + 2 NaNO3
K2SO3 + KMnO4 + KOH = K2SO4 + K2MnO4 + H2O =>
K2SO3 + 2 KMnO4 + 2 KOH = K2SO4 + 2 K2MnO4 + H2O
HBr + F2 = F2Br + H =>
HBr + F2 = F2Br + H
Me + HOH = MeO + H2 =>
Me + HOH = MeO + H2
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
Me + HOH = MeO + H2 =>
Me + HOH = MeO + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al + H2SO4 = H + AlSO4 =>
Al + H2SO4 = 2 H + AlSO4
CuO + C = Cu + CO2 =>
2 CuO + C = 2 Cu + CO2
H2O + C = CO + H2 =>
H2O + C = CO + H2
BaCl2 + NaHSO4 = BaSO4 + NaCl + HCl =>
BaCl2 + NaHSO4 = BaSO4 + NaCl + HCl
Ca + HNO3 = Ca(NO3)2 + NH4NO3 + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + NH4NO3 + 3 H2O
MnO4{-} + Cl{-} + H{+} = Cl2 + Mn2{+} + H2O =>
4 MnO4{-} + 26 Cl{-} + 32 H{+} = 13 Cl2 + 2 Mn2{+} + 16 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Al + H2SO4 = H + Al2(SO4)3 =>
2 Al + 3 H2SO4 = 6 H + Al2(SO4)3
Ba(NO3)2(aq) + Na2SO4(aq) = BaSO4(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaNO3(aq)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
KJ + Cl2 = KCl + J2 =>
2 KJ + Cl2 = 2 KCl + J2
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
CO + NO = CO2 + N2 =>
2 CO + 2 NO = 2 CO2 + N2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
MnO2(s) + HCl(s) = MnCl2(aq) + H2O(l) + Cl2(g) =>
MnO2(s) + 4 HCl(s) = MnCl2(aq) + 2 H2O(l) + Cl2(g)
Na2CO3(aq) + NiCl2(aq) = NiCO3(s) + NaCl(aq) =>
Na2CO3(aq) + NiCl2(aq) = NiCO3(s) + 2 NaCl(aq)
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
P2 + O2 = P2O5 =>
2 P2 + 5 O2 = 2 P2O5
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2SO3 + Al(OH)3 = Al2(SO3)3 + H2O =>
3 H2SO3 + 2 Al(OH)3 = Al2(SO3)3 + 6 H2O
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