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2 N + 4 H + S + C = NH4SCN
NaCH + H2SO4 = NaSO4 + CH3 =>
NaCH + H2SO4 = NaSO4 + CH3
H2S + Fe = Fe2S3 + H2 =>
3 H2S + 2 Fe = Fe2S3 + 3 H2
Se2 + O2 = SeO2 =>
Se2 + 2 O2 = 2 SeO2
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
B2*O3 + H2O = H3*BO3 =>
B2*O3 + 3 H2O = 2 H3*BO3
NaNO2 + KI + H2SO4 = I2 + NO + Na2SO4 + K2SO4 + H2O =>
2 NaNO2 + 2 KI + 2 H2SO4 = I2 + 2 NO + Na2SO4 + K2SO4 + 2 H2O
HClO4 + CH3OONa = CH3OOH + NaClO4 =>
HClO4 + CH3OONa = CH3OOH + NaClO4
CuSO4 + Co = Cu + CoSO4 =>
CuSO4 + Co = Cu + CoSO4
CH3COOCH3 + H2O = C2H5OH + CH3COOH =>
2 CH3COOCH3 + H2O = C2H5OH + 2 CH3COOH
Na2HPO4 + KOH = NaOH + K3PO4 + H2O =>
Na2HPO4 + 3 KOH = 2 NaOH + K3PO4 + H2O
Fe(s) + Zn(NO3)2(aq) = Fe(NO3)2 + Zn =>
Fe(s) + Zn(NO3)2(aq) = Fe(NO3)2 + Zn
ClO3{-} + H2O + I = IO3{-} + Cl{-} + H{+} =>
5 ClO3{-} + 3 H2O + 6 I = 6 IO3{-} + 5 Cl{-} + 6 H{+}
KBr + F2 = KF + Br2 =>
2 KBr + F2 = 2 KF + Br2
FeO + NaOH = NaFeO2 + H2 =>
2 FeO + 2 NaOH = 2 NaFeO2 + H2
Ba + CuSO4 = BaSO4 + Cu =>
Ba + CuSO4 = BaSO4 + Cu
C3O2 = C3 + O2 =>
C3O2 = C3 + O2
K2SO4 + BaCI2 = K2Ba + CI2SO4 =>
K2SO4 + BaCI2 = K2Ba + CI2SO4
HClO + SO2 + H2O = HCl + H2SO4 =>
HClO + SO2 + H2O = HCl + H2SO4
Al2 + Br6 = Al2Br6 =>
Al2 + Br6 = Al2Br6
NaOH + NaMnO4 + Na2C2O4 = MnO2 + Na2CO3 + H2O =>
4 NaOH + 2 NaMnO4 + 3 Na2C2O4 = 2 MnO2 + 6 Na2CO3 + 2 H2O
Na2TeO3 + NaI + HCl = I2 + NaCl + H2O + Te =>
Na2TeO3 + 4 NaI + 6 HCl = 2 I2 + 6 NaCl + 3 H2O + Te
P + Se = PSe =>
P + Se = PSe
C6H11OH + KMnO4 + H2SO4 = C6H10O2 + K2SO4 + MnSO4 + H2O =>
5 C6H11OH + 4 KMnO4 + 6 H2SO4 = 5 C6H10O2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
SO3 + H2O = H2SO4 = SO2 + OH =>
SO3 + H2O = H2SO4
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
H2S + Fe = Fe2S3 + H2 =>
3 H2S + 2 Fe = Fe2S3 + 3 H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CaS + H2O = Ca(SH)2 + Ca(OH)2 =>
2 CaS + 2 H2O = Ca(SH)2 + Ca(OH)2
FeBr2 + ZnSO4 = ZnBr2 + FeSO4 =>
FeBr2 + ZnSO4 = ZnBr2 + FeSO4
Cu + P = Cu2P =>
2 Cu + P = Cu2P
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH3COOCH3 + H2O = C2H5OH + CH3COOH =>
2 CH3COOCH3 + H2O = C2H5OH + 2 CH3COOH
Pb(Cl)4 + Na2CO3 = Pb(CO3)2 + NaCl =>
Pb(Cl)4 + 2 Na2CO3 = Pb(CO3)2 + 4 NaCl
FeBr3 = Fe + Br2 =>
2 FeBr3 = 2 Fe + 3 Br2
CrSO4 + Li = Li2SO4 + Cr =>
CrSO4 + 2 Li = Li2SO4 + Cr
NiO + HNO3 = Ni(NO3)2 + H2O =>
NiO + 2 HNO3 = Ni(NO3)2 + H2O
Zn(H2O)4{2+} + NaCN = Zn(CN)4{2-} + Na{+} + H2O =>
Zn(H2O)4{2+} + 4 NaCN = Zn(CN)4{2-} + 4 Na{+} + 4 H2O
CH3COONa + KF = CH3COOF + NaK =>
CH3COONa + KF = CH3COOF + NaK
AlBr3 + Zn = AlBr3Zn2 =>
AlBr3 + 2 Zn = AlBr3Zn2
KOH + Na2HPO4 = Na3PO4 + K3PO4 + H2O =>
3 KOH + 3 Na2HPO4 = 2 Na3PO4 + K3PO4 + 3 H2O
KOH + NaH2PO4 = Na2HPO4 + K3PO4 + H2O =>
3 KOH + 2 NaH2PO4 = Na2HPO4 + K3PO4 + 3 H2O
Na2HPO4 + KOH = KNa2PO4 + H2O =>
Na2HPO4 + KOH = KNa2PO4 + H2O
Ba(OH)2 = BaO + H2O =>
Ba(OH)2 = BaO + H2O
HgS(s) = Hg + S =>
HgS(s) = Hg + S
(PbN3)2 + Cr(MnO4)2 = Cr2O3 + MnO2 + Pb3O4 + NO =>
15(PbN3)2 + 52 Cr(MnO4)2 = 26 Cr2O3 + 104 MnO2 + 10 Pb3O4 + 90 NO
SmI3 + Sm = SmI2 =>
2 SmI3 + Sm = 3 SmI2
B2(SO4)3 + HNO3 = B(NO3)3 + H2SO4 =>
B2(SO4)3 + 6 HNO3 = 2 B(NO3)3 + 3 H2SO4
Ge(OH)4 + H2SO4 = Ge(SO4)2 + H2O =>
Ge(OH)4 + 2 H2SO4 = Ge(SO4)2 + 4 H2O
KClO3 + P0 = P2O5 + KCl =>
5 KClO3 + 6 P0 = 3 P2O5 + 5 KCl
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