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H2SO4 + 2 KI = I2 + SO2 + 2 KOH
C + O2 = COCO2 =>
4 C + 3 O2 = 2 COCO2
C8H18(l) + O2(g) = CO2(g) + H2O(l) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(l)
H2S + Ba(OH)2 = BaS + H2O =>
H2S + Ba(OH)2 = BaS + 2 H2O
C3H803 + OH = C3H2O3 + H2O =>
C3H803 + 807 OH = C3H2O3 + 804 H2O
(HClO4) + (Ba(OH)2) = Ba(ClO4)2 + H2O =>
2(HClO4) + (Ba(OH)2) = Ba(ClO4)2 + 2 H2O
Fe + Ag(NO3) = Ag + Fe(NO3) =>
Fe + Ag(NO3) = Ag + Fe(NO3)
P + NaCl = NaP + Cl =>
P + NaCl = NaP + Cl
SO2 + N2 = N2SO2 =>
SO2 + N2 = N2SO2
HNO3 + CUS = CU(NO3)2 + NO + S + H2O =>
8 HNO3 + 3 CUS = 3 CU(NO3)2 + 2 NO + 3 S + 4 H2O
H3SbO4 + KOH = K3SbO4 + H2O =>
H3SbO4 + 3 KOH = K3SbO4 + 3 H2O
KI + Cl2 + CHCl3 = KCl + CCl4 + HI =>
KI + Cl2 + CHCl3 = KCl + CCl4 + HI
Ag4[Fe(CN)6] = Ag + Fe(CN)6 =>
Ag4[Fe(CN)6] = 4 Ag + Fe(CN)6
Na3PO4 + AlI3 = AlPO4 + NaI =>
Na3PO4 + AlI3 = AlPO4 + 3 NaI
H2F2 = H2 + F2 =>
H2F2 = H2 + F2
Na2SO3 + Pb(NO3)2 = Na(NO3) + PbSO3 =>
Na2SO3 + Pb(NO3)2 = 2 Na(NO3) + PbSO3
Ru + O3 = RuO3 =>
Ru + O3 = RuO3
CaO2H2 + H3PO4 = Ca + PO8 + H2O =>
11 CaO2H2 + 2 H3PO4 = 11 Ca + 2 PO8 + 14 H2O
RbCl + O2 = RbClO3 =>
2 RbCl + 3 O2 = 2 RbClO3
H2 + SO4 + NaOH = NaS + H2O =>
9 H2 + 2 SO4 + 2 NaOH = 2 NaS + 10 H2O
CH3COO{-} + Ca{+2} = Ca(CH3COO)2 =>
2 CH3COO{-} + Ca{+2} = Ca(CH3COO)2
Zn(NO2)2 + H3PO4 = Zn3(PO4)2 + H2O + N2O3 =>
3 Zn(NO2)2 + 2 H3PO4 = Zn3(PO4)2 + 3 H2O + 3 N2O3
H2S + Sc(NO3)3 = Sc2S3 + HNO3 =>
3 H2S + 2 Sc(NO3)3 = Sc2S3 + 6 HNO3
AgI + Fe2 = FeI2 + Ag =>
4 AgI + Fe2 = 2 FeI2 + 4 Ag
Pb(NO3)2(aq) + NaI(aq) = NaNO3(aq) + PbI2(s) =>
Pb(NO3)2(aq) + 2 NaI(aq) = 2 NaNO3(aq) + PbI2(s)
CdCl2 + H2O = CdO + HCl =>
CdCl2 + H2O = CdO + 2 HCl
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
Sn(s) + O2(g) = SnO(s) =>
2 Sn(s) + O2(g) = 2 SnO(s)
Co(NO3)3 + K2Cr2O7 = CoCr2O7 + K2(NO3)3 =>
Co(NO3)3 + K2Cr2O7 = CoCr2O7 + K2(NO3)3
HBr + HI = H2 + IBr =>
HBr + HI = H2 + IBr
Li3N + H2O = NH3 + LiOH =>
Li3N + 3 H2O = NH3 + 3 LiOH
K3PO4 + MgSO4 = Mg3(PO4)2 + K + SO4 =>
2 K3PO4 + 3 MgSO4 = Mg3(PO4)2 + 6 K + 3 SO4
Na2SO4 + MnCl2 = MnSO4 + NaCl =>
Na2SO4 + MnCl2 = MnSO4 + 2 NaCl
Fe + O2 = Fe2O0 =>
4 Fe + O2 = 2 Fe2O0
NaBr + H2SO4 + KMnO4 = Br2 + MnSO4 + K2SO4 + H2O + Na2SO4 =>
10 NaBr + 8 H2SO4 + 2 KMnO4 = 5 Br2 + 2 MnSO4 + K2SO4 + 8 H2O + 5 Na2SO4
K3PO4 + NaJ = KJ + Na3PO4 =>
K3PO4 + 3 NaJ = 3 KJ + Na3PO4
S8 + O8 = SO3 =>
S8 + 3 O8 = 8 SO3
H2CrO4 + Na2S2O3 = Na2CrO4 + H2O + SO2 + S =>
H2CrO4 + Na2S2O3 = Na2CrO4 + H2O + SO2 + S
Na(s) + Cl(g) = NaCl2(s) =>
Na(s) + 2 Cl(g) = NaCl2(s)
C4H9OH + K2Cr2O7 + HNO3 = C4H7O + KNO3 + Cr2(NO3)3 + H2O =>
3 C4H9OH + K2Cr2O7 + 5 HNO3 = 3 C4H7O + 2 KNO3 + Cr2(NO3)3 + 7 H2O
Pt + HNO3 = Pt(NO3)2 + NO2 + H2O =>
Pt + 4 HNO3 = Pt(NO3)2 + 2 NO2 + 2 H2O
P2O5 + K2O = K3PO4 =>
P2O5 + 3 K2O = 2 K3PO4
NH4ClO3 = NH3 + HCl + O2 =>
2 NH4ClO3 = 2 NH3 + 2 HCl + 3 O2
S3O62{-} + Cl2 + OH{-} = SO42{-} + Cl{-} + H2O =>
S3O62{-} + 63 Cl2 + 128 OH{-} = 3 SO42{-} + 126 Cl{-} + 64 H2O
BrO3{-} + SO3{-2} = Br{-} + SO4{-2} =>
BrO3{-} + 3 SO3{-2} = Br{-} + 3 SO4{-2}
KBrO3 + I2 + H2O = KBr + HIO3 =>
5 KBrO3 + 3 I2 + 3 H2O = 5 KBr + 6 HIO3
Ni + SnCI2 = NiCI2 + Sn4 =>
4 Ni + 4 SnCI2 = 4 NiCI2 + Sn4
Zn + HCl = ZnCl2 + H2 = MnO2 + H2O2 =>
Zn + 2 HCl = ZnCl2 + H2
AgNO3 + NbO5 = AgNbO3 + NO2 + O2 =>
2 AgNO3 + 2 NbO5 = 2 AgNbO3 + 2 NO2 + 3 O2
Ti + Mn2O3 = TiO + Mn =>
3 Ti + Mn2O3 = 3 TiO + 2 Mn
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