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4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Na2S2O4 + KMnO4 + H2SO4 = MnSO4 + H2O + Na2SO4 + K2SO4 =>
5 Na2S2O4 + 6 KMnO4 + 4 H2SO4 = 6 MnSO4 + 4 H2O + 5 Na2SO4 + 3 K2SO4
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
HC2H3O2 + NaHSO3 = H2O + SO2 + NaC2H3O2 =>
HC2H3O2 + NaHSO3 = H2O + SO2 + NaC2H3O2
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
SO2 + KMnO4 + H2O = MnSO4 + K5SO4 + H2SO4 =>
14 SO2 + 5 KMnO4 + 8 H2O = 5 MnSO4 + K5SO4 + 8 H2SO4
V + OH = V(OH)4 =>
V + 4 OH = V(OH)4
H2 + SO3 + NaOH = Na2SO3 + H2O =>
H2 + SO3 + 2 NaOH = Na2SO3 + 2 H2O
P2O5 + SrO = P2O + SrO5 =>
P2O5 + SrO = P2O + SrO5
O3 + KL + H2SO4 = K2SO4 + L2 + H2O =>
O3 + 6 KL + 3 H2SO4 = 3 K2SO4 + 3 L2 + 3 H2O
S{2-} + MnO4{2-} + H3O{+} = Mn{2+} + H2O + S =>
2 S{2-} + MnO4{2-} + 8 H3O{+} = Mn{2+} + 12 H2O + 2 S
H2SO4 + KCl = K2SO4 + HCl(g) =>
H2SO4 + 2 KCl = K2SO4 + 2 HCl(g)
HgH2O = HgOH2 =>
HgH2O = HgOH2
C22H32O2 + CH3OH = C19H34O2 + C3H8O3 =>
17 C22H32O2 + 90 CH3OH = 20 C19H34O2 + 28 C3H8O3
FeOOH + H2SO4 = FeSO4 + H2O + OH =>
FeOOH + H2SO4 = FeSO4 + H2O + OH
Ca + H(PO4) = Ca3(PO4)2 + H2 =>
3 Ca + 2 H(PO4) = Ca3(PO4)2 + H2
NaI(aq) + Pb(NO3)2(aq) = NaNO3(aq) + PbI2(s) =>
2 NaI(aq) + Pb(NO3)2(aq) = 2 NaNO3(aq) + PbI2(s)
Fe + (OH)2 = FeOH =>
2 Fe + (OH)2 = 2 FeOH
AgN3 + KOH = AgK + N3OH =>
AgN3 + KOH = AgK + N3OH
PbCO3 + HI = HCO3 + PbI =>
PbCO3 + HI = HCO3 + PbI
C4 + K19 + U235 + F16 = KUFC =>
17860 C4 + 3760 K19 + 304 U235 + 4465 F16 = 71440 KUFC
HCN + Br2 = BrCN + HBr =>
HCN + Br2 = BrCN + HBr
potassiumhydrogencarbonate + sulfuricacid = potassiumsulfate + water + carbondioxide =>
2 KHCO3 + H2SO4 = K2SO4 + 2 H2O + 2 CO2
SnCl2 + Fe = FeCl2 + Sn =>
SnCl2 + Fe = FeCl2 + Sn
H2O2 + As2S3 + NaOH = H2AsO4 + Na2SO3 + H2O =>
12 H2O2 + As2S3 + 6 NaOH = 2 H2AsO4 + 3 Na2SO3 + 13 H2O
HNO3 + Hg + HCl = NO2 + HgCl2 + H2O =>
2 HNO3 + Hg + 2 HCl = 2 NO2 + HgCl2 + 2 H2O
NaHSO3 + C3H6O + NaOH = C2H5COOH + Na2SO3 + H2 =>
NaHSO3 + C3H6O + NaOH = C2H5COOH + Na2SO3 + H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C6H8O7 + CH4N2O + C7H6O2 = C13H11NO5 + H2O =>
25 C6H8O7 + 27 CH4N2O + 75 C7H6O2 = 54 C13H11NO5 + 82 H2O
KClO4 + H2O = HClO4 + KOH =>
KClO4 + H2O = HClO4 + KOH
C6H8O6 + CH3NH2 = C6H7O6CH3 + NH3 =>
C6H8O6 + CH3NH2 = C6H7O6CH3 + NH3
CH3COONa = CH3COCH3Na2CO3 =>
2 CH3COONa = CH3COCH3Na2CO3
Cl{-} + PbO2 + H2O = Cl + Pb{+2} + OH{-} =>
2 Cl{-} + PbO2 + 2 H2O = 2 Cl + Pb{+2} + 4 OH{-}
Cr(CIO4)3 + Ca = Ca(CIO4)2 + Cr =>
2 Cr(CIO4)3 + 3 Ca = 3 Ca(CIO4)2 + 2 Cr
Sn4 + N3 = SnN =>
3 Sn4 + 4 N3 = 12 SnN
H{+} + NO3{-} + Cu = Cu2{+} + H2O + NO =>
4 H{+} + NO3{-} + 6 Cu = 3 Cu2{+} + 2 H2O + NO
C3H7NO2 + NaOH = H2NCH2CH2COONa + H2O =>
C3H7NO2 + NaOH = H2NCH2CH2COONa + H2O
N2 + H2O = N2H4 + O2 =>
N2 + 2 H2O = N2H4 + O2
Al + CuI2 = AlI3 + Cu =>
2 Al + 3 CuI2 = 2 AlI3 + 3 Cu
Na2Cr2O7 + Cu(NO3)2 = CuCr2O7 + Na2(NO3)2 =>
Na2Cr2O7 + Cu(NO3)2 = CuCr2O7 + Na2(NO3)2
NaCl(aq) + CaCO3(aq) = CaCl2(aq) + Na2CO3(aq) =>
2 NaCl(aq) + CaCO3(aq) = CaCl2(aq) + Na2CO3(aq)
H2 + SO2 + KI = H2S + I2 + K2SO4 =>
H2 + 2 SO2 + 2 KI = H2S + I2 + K2SO4
ZnCl2 + H2 + NaOH = NaCl + Zn + H2O =>
ZnCl2 + H2 + 2 NaOH = 2 NaCl + Zn + 2 H2O
(NH4)2SO4 + Al(OH)3 = NH4OH + Al2(SO4)3 =>
3(NH4)2SO4 + 2 Al(OH)3 = 6 NH4OH + Al2(SO4)3
CuNO3 + Be = CuBe + NO3 =>
CuNO3 + Be = CuBe + NO3
HClO2 + NaO = NaClO3 + H2 =>
2 HClO2 + 2 NaO = 2 NaClO3 + H2
FeS + O2 = Fe2O2 + S =>
2 FeS + O2 = Fe2O2 + 2 S
W6O + H2 = W + H2O =>
W6O + H2 = 6 W + H2O
Fe2S3 + HCl = FeCl3 + H2S =>
Fe2S3 + 6 HCl = 2 FeCl3 + 3 H2S
Al{3+} + H2O = O2 + H{+} + Al =>
4 Al{3+} + 6 H2O = 3 O2 + 12 H{+} + 4 Al
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