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Pb + FeSO4 = PbSO4 + Fe
Na + SO3 = Na2S + Na2SO4 =>
8 Na + 4 SO3 = Na2S + 3 Na2SO4
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
FeS + Cu2S + HNO3 = Fe(NO3)3 + CuSO4 + NO + H2O =>
3 FeS + 3 Cu2S + 28 HNO3 = 3 Fe(NO3)3 + 6 CuSO4 + 19 NO + 14 H2O
KMnO4 + SnCl2 + HCl = KCl + MnCl2 + SnCl4 + H2O =>
2 KMnO4 + 5 SnCl2 + 16 HCl = 2 KCl + 2 MnCl2 + 5 SnCl4 + 8 H2O
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
BaCO3 + AgCl = BaCl2 + Ag2CO3 =>
BaCO3 + 2 AgCl = BaCl2 + Ag2CO3
(NH4)2MoO4 + HNO3 = H2MoO4 + N2 + H2O =>
5(NH4)2MoO4 + 6 HNO3 = 5 H2MoO4 + 8 N2 + 18 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
HCl + CO2 = COCl2 + H2O =>
2 HCl + CO2 = COCl2 + H2O
BaCO3 + AgCl = BaCl2 + Ag2CO3 =>
BaCO3 + 2 AgCl = BaCl2 + Ag2CO3
Na2SO3S + H2SO4 = Na2SO4 + H2O + SO2 =>
Na2SO3S + 3 H2SO4 = Na2SO4 + 3 H2O + 4 SO2
BeO + HI = BeI2 + H2O =>
BeO + 2 HI = BeI2 + H2O
Li + Br2 = LiBr =>
2 Li + Br2 = 2 LiBr
Al + Fe{3+}O{4+} = Al{2+}O{3+} + Fe =>
3 Al + 2 Fe{3+}O{4+} = 3 Al{2+}O{3+} + 2 Fe
HOH + O2 = H2O2 =>
2 HOH + O2 = 2 H2O2
CH3OH = CO + H2 =>
CH3OH = CO + 2 H2
K2CrO4 + PbC2H3O2 = K2C2H3O2 + PbCrO4 =>
K2CrO4 + PbC2H3O2 = K2C2H3O2 + PbCrO4
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
H3AsO4 + KOH = K2HAsO4 + H2O =>
H3AsO4 + 2 KOH = K2HAsO4 + 2 H2O
Al3(PO4)3 = AlPO4 =>
Al3(PO4)3 = 3 AlPO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HI + KCl = HCl + KI = =>
HI + KCl = HCl + KI
NH3 + O2 = NO + H2 =>
2 NH3 + O2 = 2 NO + 3 H2
H2SO4 + Cu2O3 = Cu2(SO4)3 + H2O =>
3 H2SO4 + Cu2O3 = Cu2(SO4)3 + 3 H2O
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
CoSO4 + FeCl3 = CoCl2 + Fe2(SO4)3 =>
3 CoSO4 + 2 FeCl3 = 3 CoCl2 + Fe2(SO4)3
NOCl = Cl2 + NO =>
2 NOCl = Cl2 + 2 NO
PCl3 + OH{-} = H2PO3{-} + Cl{-} + H2O =>
PCl3 + 4 OH{-} = H2PO3{-} + 3 Cl{-} + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Zn + HC1 = ZnHC1 =>
Zn + HC1 = ZnHC1
KMnO4 + Na2C2O4 = K2C2O4 + NaMnO4 =>
2 KMnO4 + Na2C2O4 = K2C2O4 + 2 NaMnO4
HCOOK + H2O = COOK + H3O =>
HCOOK + H2O = COOK + H3O
CO(OH)2 + HCl = COCl2 + H2O =>
CO(OH)2 + 2 HCl = COCl2 + 2 H2O
PCl3 + AlCl3 + S = PCl5 + Al2S3 =>
3 PCl3 + 2 AlCl3 + 3 S = 3 PCl5 + Al2S3
Zn + Cr(NO3)3 = Cr + Zn(NO3) =>
3 Zn + Cr(NO3)3 = Cr + 3 Zn(NO3)
Cu(NH3)4 + K4Fe(CN)6 = CuFe(CN)6 + NH3 + K =>
Cu(NH3)4 + K4Fe(CN)6 = CuFe(CN)6 + 4 NH3 + 4 K
HNO3 + Na2O = NaNO3 + H2O =>
2 HNO3 + Na2O = 2 NaNO3 + H2O
Mg + Al(OH)3 = MgOH + Al =>
3 Mg + Al(OH)3 = 3 MgOH + Al
SIHU + O2 = SIHUO2 =>
SIHU + O2 = SIHUO2
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
C + H2 = CH4 =>
C + 2 H2 = CH4
Al(OH)3 + Mg(OH)2 + HCl = AlMgClO2 + H2O =>
Al(OH)3 + Mg(OH)2 + HCl = AlMgClO2 + 3 H2O
(CaOH)2CO3 + H3PO4 = CaHPO4 + H2O + CO2 =>
(CaOH)2CO3 + 2 H3PO4 = 2 CaHPO4 + 3 H2O + CO2
N2(g) + Cu(s) = Cu3N2(s) =>
N2(g) + 3 Cu(s) = Cu3N2(s)
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Na3[SbCl6] + Na2S = Sb2S3 + NaCl =>
2 Na3[SbCl6] + 3 Na2S = Sb2S3 + 12 NaCl
(CaOH)2CO3 + H3PO4 = CaHPO4 + H2O + CO2 =>
(CaOH)2CO3 + 2 H3PO4 = 2 CaHPO4 + 3 H2O + CO2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
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