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Pb + Na2S = PbS + 2 Na
CaCl2 + Na2S = CaS + Na2Cl2 =>
CaCl2 + Na2S = CaS + Na2Cl2
K + HBr = KBr + H2 =>
2 K + 2 HBr = 2 KBr + H2
N2H5Cl + SnSO4 + KOH = N2 + K2SO4 + Sn + H2O + KCl =>
N2H5Cl + 2 SnSO4 + 5 KOH = N2 + 2 K2SO4 + 2 Sn + 5 H2O + KCl
S2O3{2-} + I2 + H2O = SO4{2-} + I{-} + H{+} =>
S2O3{2-} + 4 I2 + 5 H2O = 2 SO4{2-} + 8 I{-} + 10 H{+}
IO + NaOH = NaIO + HO =>
IO + NaOH = NaIO + HO
HNO2(aq) + Ba(OH)2(aq) = Ba(NO2)2(aq) + H2O =>
2 HNO2(aq) + Ba(OH)2(aq) = Ba(NO2)2(aq) + 2 H2O
CH3CH2CH2CHOHCH3 + CuO = CH3CH2COH + H2O + Cu =>
3 CH3CH2CH2CHOHCH3 + 5 CuO = 5 CH3CH2COH + 3 H2O + 5 Cu
KCl + Al = AlCl3 + K =>
3 KCl + Al = AlCl3 + 3 K
Al + H{+} + NO3{-} = Al3{+} + NH4{+} + H2O =>
24 Al + 10 H{+} + NO3{-} = 8 Al3{+} + NH4{+} + 3 H2O
Zn3S2 + Al3P3 = Zn3P2 + Al3S3 =>
3 Zn3S2 + 2 Al3P3 = 3 Zn3P2 + 2 Al3S3
Ca(ClO)2 + KI + HCl = I2 + CaCl2 + KCl + H2O =>
Ca(ClO)2 + 4 KI + 4 HCl = 2 I2 + CaCl2 + 4 KCl + 2 H2O
(SO4)3 = S3O12 =>
(SO4)3 = S3O12
C6H10SO2 + O2 = CO2 + H2O + SO2 =>
2 C6H10SO2 + 17 O2 = 12 CO2 + 10 H2O + 2 SO2
Li + O3 = LiO2 =>
3 Li + 2 O3 = 3 LiO2
SbCl3 + MgSO4 = Sb2(SO4)3 + MgCl2 =>
2 SbCl3 + 3 MgSO4 = Sb2(SO4)3 + 3 MgCl2
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
C3H9N + H2O = C3H9NH + OH =>
C3H9N + H2O = C3H9NH + OH
C6H5COCl + NH3 = C6H5CONH2 + HCl =>
C6H5COCl + NH3 = C6H5CONH2 + HCl
KCO3 + Fe(NO2) = KNO2 + Fe(CO3) =>
KCO3 + Fe(NO2) = KNO2 + Fe(CO3)
FeSO4 + H2O = FeO + H2SO4 =>
FeSO4 + H2O = FeO + H2SO4
Fl + H2O = HFl + O3 =>
6 Fl + 3 H2O = 6 HFl + O3
Al(OH)3 + Na = NaOH + Al =>
Al(OH)3 + 3 Na = 3 NaOH + Al
NiCl2 + NaBr = NaCl + NiBr2 =>
NiCl2 + 2 NaBr = 2 NaCl + NiBr2
Na2Cr2O7 + KOH + H2SO4 = Na2(SO4) + H2O + K2Cr2O7 =>
Na2Cr2O7 + 2 KOH + H2SO4 = Na2(SO4) + 2 H2O + K2Cr2O7
KMnO4 + NH3 = KNO3 + MnO2 + KOH + H2O =>
8 KMnO4 + 3 NH3 = 3 KNO3 + 8 MnO2 + 5 KOH + 2 H2O
Ag2SO4 = Ag2SO3 + O =>
Ag2SO4 = Ag2SO3 + O
Cr2(CO3)3(s) + HCl(aq) = CrCl3 + H2O + CO2 =>
Cr2(CO3)3(s) + 6 HCl(aq) = 2 CrCl3 + 3 H2O + 3 CO2
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(aq) + H2O(l) =>
HC2H3O2(aq) + NaOH(aq) = NaC2H3O2(aq) + H2O(l)
As2 + H2O + FeCl3 = FeAsO4 + Cl2 + H2 =>
As2 + 8 H2O + 2 FeCl3 = 2 FeAsO4 + 3 Cl2 + 8 H2
Y2O3 + BaCO3 + CuO = Y3Ba4Cu8O16 + CO2 + O2 =>
6 Y2O3 + 16 BaCO3 + 32 CuO = 4 Y3Ba4Cu8O16 + 16 CO2 + O2
C6H5F + O2 = CO + H2O + HF =>
C6H5F + 4 O2 = 6 CO + 2 H2O + HF
Li2CO3 + HNO3 = H2CO3 + LiNO3 =>
Li2CO3 + 2 HNO3 = H2CO3 + 2 LiNO3
C2H5OH + KMnO4 = MnO2 + KOH + CO2 + H2O =>
C2H5OH + 4 KMnO4 = 4 MnO2 + 4 KOH + 2 CO2 + H2O
Sn + ZnNO3 = Zn + Sn(NO3)4 =>
Sn + 4 ZnNO3 = 4 Zn + Sn(NO3)4
P4S3 + HNO3 = H2SO4 + H3PO4 + NO2 + H2O =>
P4S3 + 38 HNO3 = 3 H2SO4 + 4 H3PO4 + 38 NO2 + 10 H2O
CaCO3 + H2O = CaH2OCO3 =>
CaCO3 + H2O = CaH2OCO3
C2O2 + MnO2 = Mn + CO2 =>
C2O2 + MnO2 = Mn + 2 CO2
(NH4)2SO4 + NaOH = (NH3) + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2(NH3) + 2 H2O + Na2SO4
C2 + MgO = Mg + CO2 =>
C2 + 4 MgO = 4 Mg + 2 CO2
TiCl3 + H2O = [Ti(H2O)6]Cl3 =>
TiCl3 + 6 H2O = [Ti(H2O)6]Cl3
CaCO2 = CO2 + Ca =>
CaCO2 = CO2 + Ca
CaCO3 + C18H36O2 = C36H70CaO4 + CO2 + H2O =>
CaCO3 + 2 C18H36O2 = C36H70CaO4 + CO2 + H2O
C19H36 + O2 = CO2 + H2O =>
C19H36 + 28 O2 = 19 CO2 + 18 H2O
CuO + Zi = CuOZi =>
CuO + Zi = CuOZi
Fe + (OH)3 = Fe(OH)3 =>
Fe + (OH)3 = Fe(OH)3
Pb(NO3)2 + Na2CO3 + H2O = Pb(OH)2*PbCO3 + NaNO3 + CO2 =>
2 Pb(NO3)2 + 2 Na2CO3 + H2O = Pb(OH)2*PbCO3 + 4 NaNO3 + CO2
CH2OH + HNO3 = CHO + HNO2 + HO =>
CH2OH + 2 HNO3 = CHO + 2 HNO2 + 2 HO
HNS + O2 = H2O + N2 + SO2 =>
4 HNS + 5 O2 = 2 H2O + 2 N2 + 4 SO2
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
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