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2 SO2 + O2 = 2 SO3
SO2 + CaO = CaSO3 =>
SO2 + CaO = CaSO3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
H4 + Si = SiH4 =>
H4 + Si = SiH4
Al(s) + CuCl2(aq) = AlCl3(aq) + Cu(s) =>
2 Al(s) + 3 CuCl2(aq) = 2 AlCl3(aq) + 3 Cu(s)
NiCH3COO2 + NaI = NiI + NaCH3COO2 =>
NiCH3COO2 + NaI = NiI + NaCH3COO2
NaNO3 + H3PO4 = Na3PO4 + HNO3 =>
3 NaNO3 + H3PO4 = Na3PO4 + 3 HNO3
Be2C + H2P = Be(PH)2 + CH4 =>
Be2C + 4 H2P = 2 Be(PH)2 + CH4
ZnCO3 + AlPO4 = Al2(CO3)3 + Zn3(PO4)2 =>
3 ZnCO3 + 2 AlPO4 = Al2(CO3)3 + Zn3(PO4)2
Na + F = NaF =>
Na + F = NaF
CH2O + CO2 = H2O + CO =>
CH2O + CO2 = H2O + 2 CO
Cs + H2O = CsOH + H2 =>
2 Cs + 2 H2O = 2 CsOH + H2
CH2O + O = CO2 + H2O =>
CH2O + 2 O = CO2 + H2O
CH9OH + O2 = C + H2O =>
CH9OH + 2 O2 = C + 5 H2O
FeII + S = FeIIS =>
FeII + S = FeIIS
K2C2O4H2O + FeCl3 = K3Fe(C2O4)3*3H2O + KCl =>
3 K2C2O4H2O + FeCl3 = K3Fe(C2O4)3*3H2O + 3 KCl
NaNO2 + H2 = NH3 + NaOH + H2O =>
NaNO2 + 3 H2 = NH3 + NaOH + H2O
Pb(ClO3)2 + Ni4(SiO4)3 = Pb4(SiO4)2 + Ni(ClO3)3 =>
12 Pb(ClO3)2 + 2 Ni4(SiO4)3 = 3 Pb4(SiO4)2 + 8 Ni(ClO3)3
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
K2(Cr2O7) + Fe(SO4) + H2(SO4) = Cr2(SO4)3 + K2(SO4) + Fe2(SO4)3 + H2O =>
K2(Cr2O7) + 6 Fe(SO4) + 7 H2(SO4) = Cr2(SO4)3 + K2(SO4) + 3 Fe2(SO4)3 + 7 H2O
HCOOH + Ag[(NH3)]2OH = Ag + NH3 + H2O + NH4HCO3 =>
HCOOH + 2 Ag[(NH3)]2OH = 2 Ag + 3 NH3 + H2O + NH4HCO3
(NH4)3PO4 + Sb2(CrO4)5 = Sb3(PO4)5 + (NH4)2CrO4 =>
10(NH4)3PO4 + 3 Sb2(CrO4)5 = 2 Sb3(PO4)5 + 15(NH4)2CrO4
CaCl2 + KMnO4 = CaMnO4 + Cl2K =>
CaCl2 + KMnO4 = CaMnO4 + Cl2K
[Ti(urea)6] + TiCl3 + KI = KCl + [Ti(urea)6]I3 =>
5[Ti(urea)6] + 6 TiCl3 + 18 KI = 18 KCl + 6[Ti(urea)6]I3
C3H4O2 + H2SO4 + H2O = H2S + C3H5O4 =>
8 C3H4O2 + 3 H2SO4 + 4 H2O = 3 H2S + 8 C3H5O4
Ba(BrO3)2(aq) + (NH4)2SO4(aq) = NH4BrO3(aq) + BaSO4 =>
Ba(BrO3)2(aq) + (NH4)2SO4(aq) = 2 NH4BrO3(aq) + BaSO4
Cl{-} + AgNO3 = AgCl{-} + NO3 =>
Cl{-} + AgNO3 = AgCl{-} + NO3
C4H4 + HCl = C4H10 + Cl =>
C4H4 + 6 HCl = C4H10 + 6 Cl
O2 + H2S = H2O + SO2 =>
3 O2 + 2 H2S = 2 H2O + 2 SO2
H2CO3(ac) = H2O(l) + CO2(g) =>
H2CO3(ac) = H2O(l) + CO2(g)
F2 + NaBr = Br2 + NaF =>
F2 + 2 NaBr = Br2 + 2 NaF
C2NO2H5 + O2 = CO2 + H2O + H4N2CO =>
2 C2NO2H5 + 3 O2 = 3 CO2 + 3 H2O + H4N2CO
Pb + SO4{2-} = PbSO4 + e =>
Pb + SO4{2-} = PbSO4 + 2e
C2H4O2(aq) + Al(OH)3(s) = Al(C2H3O2)3(aq) + H2O(l) =>
3 C2H4O2(aq) + Al(OH)3(s) = Al(C2H3O2)3(aq) + 3 H2O(l)
Ca(OH)2H2SO4 = CaSO4 + H2O =>
Ca(OH)2H2SO4 = CaSO4 + 2 H2O
SiF4 + NH4OH = SiO2 + NH4F + H2O =>
SiF4 + 4 NH4OH = SiO2 + 4 NH4F + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
H2SO4 + Al = H2S + Al2(SO4)3 + H2O =>
15 H2SO4 + 8 Al = 3 H2S + 4 Al2(SO4)3 + 12 H2O
MnO2 + KClO2 + KOH = KCl + H2O + KMnO4 =>
4 MnO2 + 3 KClO2 + 4 KOH = 3 KCl + 2 H2O + 4 KMnO4
K2SO4 + NO2 = KNO3 + SO2 =>
K2SO4 + 2 NO2 = 2 KNO3 + SO2
SO2 + CaO = CaSO3 =>
SO2 + CaO = CaSO3
Cl2 + KI = KCl + I2 =>
Cl2 + 2 KI = 2 KCl + I2
NH4OH(aq) + Na2CO3(aq) = NaOH(aq) + (NH4)2CO3(aq) =>
2 NH4OH(aq) + Na2CO3(aq) = 2 NaOH(aq) + (NH4)2CO3(aq)
S8 + F4 = SF8 =>
S8 + 16 F4 = 8 SF8
NH4 + H2SeO3 = (NH4)2SeO3 + H2 =>
2 NH4 + H2SeO3 = (NH4)2SeO3 + H2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
K2TeO3*3H2O + Na(dtc)*3H2O = Te(dtc)4 + NaOH + KOH + H2O =>
4 K2TeO3*3H2O + 16 Na(dtc)*3H2O = Te(dtc)4 + 16 NaOH + 8 KOH + 48 H2O
K3[Cr(OH)6] + H2CO3 = KHCO3 + Cr(OH)3 + H2O =>
K3[Cr(OH)6] + 3 H2CO3 = 3 KHCO3 + Cr(OH)3 + 3 H2O
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
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