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3 Si + 4 HNO3 = 3 SiO2 + 4 NO + 2 H2O
CO + H2 = C8H8 + H2O =>
8 CO + 12 H2 = C8H8 + 8 H2O
Br2 + OH({-}) = Br({-}) + BrO3({-}) + H2O =>
3 Br2 + 6 OH({-}) = 5 Br({-}) + BrO3({-}) + 3 H2O
AgIHCl = AgClHI =>
AgIHCl = AgClHI
KMnO4 + C6H12O6 = CO2 + MnO + K2CO3 + H2O =>
24 KMnO4 + 5 C6H12O6 = 18 CO2 + 24 MnO + 12 K2CO3 + 30 H2O
HOH = HHO =>
HOH = HHO
I + Cl2 + H2O = IO3{-} + Cl{-} + H3O{+} =>
2 I + 5 Cl2 + 18 H2O = 2 IO3{-} + 10 Cl{-} + 12 H3O{+}
HI + H2SO4 = H2SO3 + I2 + H2O =>
2 HI + H2SO4 = H2SO3 + I2 + H2O
S2O4{2-} + CrO4{2-} + H2O = SO3{2-} + Cr(OH)3 + H{+} =>
3 S2O4{2-} + 2 CrO4{2-} + 4 H2O = 6 SO3{2-} + 2 Cr(OH)3 + 2 H{+}
Pb(NO3)2 + PbO = PbNO2 + O2 =>
2 Pb(NO3)2 + 2 PbO = 4 PbNO2 + 3 O2
Cr2O7{-2} + C2H5OH + H{+} = Cr{3+} + CH3COOH + H2O =>
2 Cr2O7{-2} + 3 C2H5OH + 16 H{+} = 4 Cr{3+} + 3 CH3COOH + 11 H2O
CuO + H2SO4 = H2O + CuSO4 =>
CuO + H2SO4 = H2O + CuSO4
NaCl + C2 + O + H = Na2CO3 + HCl =>
4 NaCl + C2 + 6 O + 4 H = 2 Na2CO3 + 4 HCl
(NH4)3PO4 = NH4 + PO4 =>
(NH4)3PO4 = 3 NH4 + PO4
CuSO4 + K2Cr2O7 = CuCr2O7 + K2SO4 =>
CuSO4 + K2Cr2O7 = CuCr2O7 + K2SO4
NO + Cl2 = NOCl =>
2 NO + Cl2 = 2 NOCl
Ca(OH)2 + NaCl = CaCl2 + NaOH =>
Ca(OH)2 + 2 NaCl = CaCl2 + 2 NaOH
EDTA + CoCl2 = CoEDTA + Cl2 =>
EDTA + CoCl2 = CoEDTA + Cl2
AI(OH)3 + HBr = AIBr3 + H2O =>
AI(OH)3 + 3 HBr = AIBr3 + 3 H2O
KIK + H2O2 = KOH + I2 =>
2 KIK + 2 H2O2 = 4 KOH + I2
O2 + S3 = SO2 =>
3 O2 + S3 = 3 SO2
Ca(NO2)2 + Na2SO3 = NaNO2 + CaSO3 =>
Ca(NO2)2 + Na2SO3 = 2 NaNO2 + CaSO3
NaNO3 + H2O = HNO3 + NaHO =>
NaNO3 + H2O = HNO3 + NaHO
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
CH3COOHCH3CH2(CH3)CHCH2OH = CH3COOCH2CH(CH3)CH2CH3H2O =>
CH3COOHCH3CH2(CH3)CHCH2OH = CH3COOCH2CH(CH3)CH2CH3H2O
P4 + O2 = P2O55 =>
P4 + 55 O2 = 2 P2O55
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
Zn + HCl = ZnClH =>
Zn + HCl = ZnClH
H2O + CsSO4 = H2SO4 + CsO =>
H2O + CsSO4 = H2SO4 + CsO
C17H19NO3 + (CH3CO)2O = C21H23NO5 + H2O =>
C17H19NO3 + (CH3CO)2O = C21H23NO5 + H2O
O2(g) + As4S6(s) = SO2(g) + As4O6(s) =>
9 O2(g) + As4S6(s) = 6 SO2(g) + As4O6(s)
Fe2S3(aq) + HCN(g) = C3FeN3 + H2S =>
Fe2S3(aq) + 6 HCN(g) = 2 C3FeN3 + 3 H2S
Na2C2O4 + AlCl3 = Al2(C2O4)3 + NaCl =>
3 Na2C2O4 + 2 AlCl3 = Al2(C2O4)3 + 6 NaCl
MgCl + BaOH = BaCl + MgOH =>
MgCl + BaOH = BaCl + MgOH
Sb2O3 + NaCl + H2SO4 = SbCl3 + Na2SO4 + H2O =>
Sb2O3 + 6 NaCl + 3 H2SO4 = 2 SbCl3 + 3 Na2SO4 + 3 H2O
KClO3(S) = KCl(S) + O2(g) =>
2 KClO3(S) = 2 KCl(S) + 3 O2(g)
Mn{2}{+} + Fe{3}{+} + H2O = MnO4{-} + H{+} + Fe{2}{+} =>
Mn{2}{+} + 5 Fe{3}{+} + 4 H2O = MnO4{-} + 8 H{+} + 5 Fe{2}{+}
NaI + CaCl2 = CaI + NaCl2 =>
NaI + CaCl2 = CaI + NaCl2
[Ag(NH3)2]NO3 + HCl = AgCl + NH3 + H{+} + NO3{-} =>
[Ag(NH3)2]NO3 + HCl = AgCl + 2 NH3 + H{+} + NO3{-}
As3 = As2 =>
2 As3 = 3 As2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
K2Cr2O7 + HCl = Cl2 + CrCl3 + KCl + H2O =>
K2Cr2O7 + 14 HCl = 3 Cl2 + 2 CrCl3 + 2 KCl + 7 H2O
As2S5 + NO3{-} + H2O = AsO4{-3} + SO4{-2} + NO + H3O{+} =>
3 As2S5 + 40 NO3{-} + 12 H2O = 6 AsO4{-3} + 15 SO4{-2} + 40 NO + 8 H3O{+}
KMnO4 + UO2 + H2SO4 = MnSO4 + UO2SO4 + K2SO4 + H2O =>
2 KMnO4 + 5 UO2 + 8 H2SO4 = 2 MnSO4 + 5 UO2SO4 + K2SO4 + 8 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Y(s) + C(s) = YC2(s) =>
Y(s) + 2 C(s) = YC2(s)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C3H4O + O2 = CO2 + H2O =>
2 C3H4O + 7 O2 = 6 CO2 + 4 H2O
BaCl2 + Na2SO4 = NaCl + BaSO4 =>
BaCl2 + Na2SO4 = 2 NaCl + BaSO4
KClO3 + P = P2O5 + KCl =>
5 KClO3 + 6 P = 3 P2O5 + 5 KCl
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