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2 Hg0 = Hg02
XeF6 + H2O = XeO3 + HF =>
XeF6 + 3 H2O = XeO3 + 6 HF
K + PbI2 = K2I + Pb =>
4 K + PbI2 = 2 K2I + Pb
KBr + O2 = KO2 + Br =>
KBr + O2 = KO2 + Br
Na2WO4 + Na2S + HCl = WS3 + NaCl + H2O =>
Na2WO4 + 3 Na2S + 8 HCl = WS3 + 8 NaCl + 4 H2O
HClO4 + HCl = H2O + Cl =>
HClO4 + 7 HCl = 4 H2O + 8 Cl
K2ZnO2 + H2SO4 = ZnSO4 + KOH =>
K2ZnO2 + H2SO4 = ZnSO4 + 2 KOH
C10H22(l) + O2(g) = CO2(g) + H2O(g) =>
2 C10H22(l) + 31 O2(g) = 20 CO2(g) + 22 H2O(g)
Zn(PO4)3 + Na2CO3 = Na(PO4)3 + Zn2CO3 =>
2 Zn(PO4)3 + Na2CO3 = 2 Na(PO4)3 + Zn2CO3
S5 = S8 =>
8 S5 = 5 S8
Al(NO3)2 + H2SO4 = Al2(SO4)2 + HNO3 =>
2 Al(NO3)2 + 2 H2SO4 = Al2(SO4)2 + 4 HNO3
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
CH4 + N2 = HCN + H2 =>
2 CH4 + N2 = 2 HCN + 3 H2
NH4Cl + AgNO3 = NH3 + AgCl + HNO3 =>
NH4Cl + AgNO3 = NH3 + AgCl + HNO3
Cu2CO5H2 + Si2H6 = Cu5Si + SiO2 + H2O + CO2 =>
5 Cu2CO5H2 + 2 Si2H6 = 2 Cu5Si + 2 SiO2 + 11 H2O + 5 CO2
HClO3 + K2SO3 = KClO3 + H2SO3 =>
2 HClO3 + K2SO3 = 2 KClO3 + H2SO3
Os + O = Os5O2 =>
5 Os + 2 O = Os5O2
SnAg + (NO3)2 = Sn(NO3)2 + Ag =>
SnAg + (NO3)2 = Sn(NO3)2 + Ag
NaI + NaClO3 + H2SO4 = NaCl + Na2SO4 + H2O + I2 =>
6 NaI + NaClO3 + 3 H2SO4 = NaCl + 3 Na2SO4 + 3 H2O + 3 I2
Al(s) + KOH(aq) + H2O(l) = KAl(OH)4(aq) + H2(g) =>
2 Al(s) + 2 KOH(aq) + 6 H2O(l) = 2 KAl(OH)4(aq) + 3 H2(g)
FeS + Zn = ZnS + Fe =>
FeS + Zn = ZnS + Fe
XeF6 + H2 = Xe + HF =>
XeF6 + 3 H2 = Xe + 6 HF
HClO4 + Ba(OH)2 = Ba(ClO4)2 + H2O =>
2 HClO4 + Ba(OH)2 = Ba(ClO4)2 + 2 H2O
C3H7OH + CH3COOH = C3H7COCH3 + H2O =>
8 C3H7OH + 3 CH3COOH = 6 C3H7COCH3 + 8 H2O
Co + Zn = CoZn =>
Co + Zn = CoZn
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
H2O + I2 + Na2SO3 = HI + Na2SO4 =>
H2O + I2 + Na2SO3 = 2 HI + Na2SO4
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Fe(NO3)3 + (AcAc)H + NaOH = Fe(AcAc)3 + NaNO3 + H2O =>
Fe(NO3)3 + 3(AcAc)H + 3 NaOH = Fe(AcAc)3 + 3 NaNO3 + 3 H2O
NH4O + BaCl2 = NH4Cl2 + OBa =>
NH4O + BaCl2 = NH4Cl2 + OBa
CaCO3(s) + SO2(g) + O2(g) = CaSO4(s) + CO2(g) =>
2 CaCO3(s) + 2 SO2(g) + O2(g) = 2 CaSO4(s) + 2 CO2(g)
Fe{2+}{+} + Cl2 = Fe{3+} + Cl{-} =>
2 Fe{2+}{+} + Cl2 = 2 Fe{3+} + 2 Cl{-}
CH4 + N2 = NH3 + C =>
3 CH4 + 2 N2 = 4 NH3 + 3 C
Br2O5 + H2O = H2Br2O6 =>
Br2O5 + H2O = H2Br2O6
NO2 + H2O = HNO3 + H2 =>
2 NO2 + 2 H2O = 2 HNO3 + H2
MnSO4 + HNO3 = MnO + NO4 + H2S + H2O =>
3 MnSO4 + 8 HNO3 = 3 MnO + 8 NO4 + 3 H2S + H2O
NaN3(s) = Na(l) + N2(g) =>
2 NaN3(s) = 2 Na(l) + 3 N2(g)
S + Fe3 = Fe2S3 =>
9 S + 2 Fe3 = 3 Fe2S3
CH3COOH + Ca(OH)2 = Ca(C2H3O2)2 + HOH =>
2 CH3COOH + Ca(OH)2 = Ca(C2H3O2)2 + 2 HOH
Al + HBr = AlBr3 + H2 =>
2 Al + 6 HBr = 2 AlBr3 + 3 H2
HI + Cl2 + H2O = HCl + HIO3 =>
HI + 3 Cl2 + 3 H2O = 6 HCl + HIO3
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
(NH4)2Fe(SO4)2*6H2O + H2SO4 + KMnO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + (NH4)2SO4 + H2O =>
10(NH4)2Fe(SO4)2*6H2O + 8 H2SO4 + 2 KMnO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 10(NH4)2SO4 + 68 H2O
CO2 + CO2O = CO2CO3 =>
CO2 + CO2O = CO2CO3
Au2O3 + Mg = MgO + Au =>
Au2O3 + 3 Mg = 3 MgO + 2 Au
KBr + F2 = KF + Br2 =>
2 KBr + F2 = 2 KF + Br2
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
MnSO4 + NaSO4 + H2O + Cl = MnO2 + NaCl + H2SO4 =>
MnSO4 + NaSO4 + 2 H2O + Cl = MnO2 + NaCl + 2 H2SO4
C12 + NaBr = NaC1 + Br2 =>
C12 + 12 NaBr = 12 NaC1 + 6 Br2
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