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18 Pb3O4 + 91 FeS2 = 54 PbS + 13 Fe7S8 + 24 SO3
SOCl2 + O2 = SO2 + Cl2 =>
2 SOCl2 + O2 = 2 SO2 + 2 Cl2
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Mg(OH)2 + H2SiO3 = MgSiO3 + H2O =>
Mg(OH)2 + H2SiO3 = MgSiO3 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
PBr3 + HOH = HBr + H3PO3 =>
PBr3 + 3 HOH = 3 HBr + H3PO3
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
AgNO3(aq) + KSCN(aq) = AgSCN(s) + KNO3(aq) =>
AgNO3(aq) + KSCN(aq) = AgSCN(s) + KNO3(aq)
KMnO4 + ZnCl2 = KCl2 + MnO4Zn =>
KMnO4 + ZnCl2 = KCl2 + MnO4Zn
C2H5Br + C3H7Br + Na = CH3CH2CH2CH2CH3 + NaBr =>
C2H5Br + C3H7Br + 2 Na = CH3CH2CH2CH2CH3 + 2 NaBr
F + FeI3 = Fe + FI =>
3 F + FeI3 = Fe + 3 FI
C2H6 + O2 = C2O4 + H2 =>
C2H6 + 2 O2 = C2O4 + 3 H2
NO2 + H = NO + H2O =>
NO2 + 2 H = NO + H2O
FeO + CrO3 = Cr2O3 + Fe2O3 =>
6 FeO + 2 CrO3 = Cr2O3 + 3 Fe2O3
K3PO4(aq) + Al(NO3)3(aq) = KNO3 + AlPO4 =>
K3PO4(aq) + Al(NO3)3(aq) = 3 KNO3 + AlPO4
BaS + HCl = HS + BaCl =>
BaS + HCl = HS + BaCl
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
MnCl2 + NaClO = MnO2 + NaCl + Cl2 =>
MnCl2 + 2 NaClO = MnO2 + 2 NaCl + Cl2
Cu + (SO4)2 = Cu2(SO4) =>
4 Cu + (SO4)2 = 2 Cu2(SO4)
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
CuS + HNO3 = Cu(NO3)2 + NO2 + S8 + H2O =>
8 CuS + 32 HNO3 = 8 Cu(NO3)2 + 16 NO2 + S8 + 16 H2O
FeI + AgNO3 = Fe(NO3) + AgI =>
FeI + AgNO3 = Fe(NO3) + AgI
Cr(s) + Ni(C2H3O2)2(aq) = Ni(s) + Cr(C2H3O2)3(aq) =>
2 Cr(s) + 3 Ni(C2H3O2)2(aq) = 3 Ni(s) + 2 Cr(C2H3O2)3(aq)
Na + Fe3O4 = Na2O + Fe =>
8 Na + Fe3O4 = 4 Na2O + 3 Fe
LiOH + Al2O3 = Li(AlO2) + H2O =>
2 LiOH + Al2O3 = 2 Li(AlO2) + H2O
K(OH) + H2S = K2S + H(OH) =>
2 K(OH) + H2S = K2S + 2 H(OH)
HO = H2O + O =>
2 HO = H2O + O
KOH + H2O + P = KH2PO3 + PH3 =>
KOH + 2 H2O + 2 P = KH2PO3 + PH3
(NH4)2(Ce(NO3)6) + KOH = Ce(OH)4 + NH4NO3 + KNO3 =>
(NH4)2(Ce(NO3)6) + 4 KOH = Ce(OH)4 + 2 NH4NO3 + 4 KNO3
Cu(H2O)6{2+} + NH3 = Cu(NH3)4(H2O)2{2+} + H2O =>
Cu(H2O)6{2+} + 4 NH3 = Cu(NH3)4(H2O)2{2+} + 4 H2O
Zn2O3 + Fe2O3 = ZnFe2O4 + O =>
Zn2O3 + 2 Fe2O3 = 2 ZnFe2O4 + O
MgS3 + KI = MgK + S3I =>
MgS3 + KI = MgK + S3I
NaOH + Se = Na2Se + Na2SeO3 + H2O =>
6 NaOH + 3 Se = 2 Na2Se + Na2SeO3 + 3 H2O
H2O + NH3 = NH4 + OH = NH4OH =>
H2O + NH3 = NH4 + OH
O2 + C6H12O2 = C2H6O + CO2 =>
2 O2 + C6H12O2 = 2 C2H6O + 2 CO2
Al2 + S3 + MgSe = Al3Se2 + MgS =>
9 Al2 + 4 S3 + 12 MgSe = 6 Al3Se2 + 12 MgS
AgNO3 + KOH = Ag2O2 + KNO3 + H2 =>
2 AgNO3 + 2 KOH = Ag2O2 + 2 KNO3 + H2
Br2 + KOH = KBrO3 + KBr + H2O =>
3 Br2 + 6 KOH = KBrO3 + 5 KBr + 3 H2O
HCl + Fe2O3 = ClFeO + H2O =>
2 HCl + Fe2O3 = 2 ClFeO + H2O
RuCl3 + C2H5OH = Ru + HCl + C2H4O =>
2 RuCl3 + 3 C2H5OH = 2 Ru + 6 HCl + 3 C2H4O
H2C4H2O6 + NaOH = Na2C4H2O6 + H2O =>
H2C4H2O6 + 2 NaOH = Na2C4H2O6 + 2 H2O
Co3 + O4 = Co2O3 =>
8 Co3 + 9 O4 = 12 Co2O3
NiSO4 + KI = NiI2 + K2SO4 =>
NiSO4 + 2 KI = NiI2 + K2SO4
H2S + CI = HCI + S =>
H2S + 2 CI = 2 HCI + S
C5H12O + K2Cr2O7 + H2SO4 = C5H10O + K2SO4 + Cr2(SO4)3 + H2O =>
3 C5H12O + K2Cr2O7 + 4 H2SO4 = 3 C5H10O + K2SO4 + Cr2(SO4)3 + 7 H2O
I2(ac) + RbAt(ac) = RbI(ac) + At2(ac) =>
I2(ac) + 2 RbAt(ac) = 2 RbI(ac) + At2(ac)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CH2OHCHOHCH2OH + CH3COOH = H2O + (CH3COO)2CH2CH2 =>
2 CH2OHCHOHCH2OH + 3 CH3COOH = 4 H2O + 2(CH3COO)2CH2CH2
Na(OH) = Na2O2 + H2 =>
2 Na(OH) = Na2O2 + H2
C5H11COOH + O2 = CO2 + H2O =>
C5H11COOH + 8 O2 = 6 CO2 + 6 H2O
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