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FeS + Na2SO4 = FeSO4 + Na2S
C9H12 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + C6H6O + C3H6O =>
7 C9H12 + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 C6H6O + 11 C3H6O
Al + H2O = Al2O3 + H2 =>
2 Al + 3 H2O = Al2O3 + 3 H2
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al + H2SO4 = Al2(SO3)4 + H2O =>
2 Al + 4 H2SO4 = Al2(SO3)4 + 4 H2O
Al + H2O = Al2O3 + H2 =>
2 Al + 3 H2O = Al2O3 + 3 H2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Ca + LiF = CaF2 + Li =>
Ca + 2 LiF = CaF2 + 2 Li
Al(OH)3 + KOH = H2O + K3AlO3 =>
Al(OH)3 + 3 KOH = 3 H2O + K3AlO3
HIZn = HZnI =>
HIZn = HZnI
NaOH + CaCl2 = NaCl + Ca(OH)2 = =>
2 NaOH + CaCl2 = 2 NaCl + Ca(OH)2
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
ReF6 + Re = ReF4 =>
2 ReF6 + Re = 3 ReF4
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
SrCO3 + LiF = Li2CO3 + SrF2 =>
SrCO3 + 2 LiF = Li2CO3 + SrF2
CO3{2-} + H2SO4 = SO4{2-} + CO2 + H2O =>
CO3{2-} + H2SO4 = SO4{2-} + CO2 + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Si + Sn(OH)6{2-} = HSnO2{-} + SiO3{2-} + H2O =>
Si + 2 Sn(OH)6{2-} = 2 HSnO2{-} + SiO3{2-} + 5 H2O
LiH2O = Li(OH)H =>
LiH2O = Li(OH)H
Zn + Fe(NO3)3(aq) = Zn(NO3)2 + Fe =>
3 Zn + 2 Fe(NO3)3(aq) = 3 Zn(NO3)2 + 2 Fe
C6H12O7 + (NH4)2SO4 = C6H15NO7 + H2SO4 =>
2 C6H12O7 + (NH4)2SO4 = 2 C6H15NO7 + H2SO4
MnO + H = Mn + H2O =>
MnO + 2 H = Mn + H2O
C7H6O3 + C4H6O3 = C9H8O4 + C2H4O2 =>
C7H6O3 + C4H6O3 = C9H8O4 + C2H4O2
CH3COCH3 + [Ag(NH3)2]OH = CH3COONH4 + Ag + NH3 + H2O =>
2 CH3COCH3 + 8[Ag(NH3)2]OH = 3 CH3COONH4 + 8 Ag + 13 NH3 + 4 H2O
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
NO2 + H2 = NH3 + H2O =>
2 NO2 + 7 H2 = 2 NH3 + 4 H2O
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
MClO3 = MCl + O2 =>
2 MClO3 = 2 MCl + 3 O2
C2H4O + O2 = CO2 + H2O =>
2 C2H4O + 5 O2 = 4 CO2 + 4 H2O
Ba(NO3)2 + Na3(PO4) = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3(PO4) = Ba3(PO4)2 + 6 NaNO3
CuSO4 + HNO3 = Cu(NO3)2 + H2SO4 = =>
CuSO4 + 2 HNO3 = Cu(NO3)2 + H2SO4
C7H6O3 + FeCl3 = Fe(C7H5O3)3 + HCl =>
3 C7H6O3 + FeCl3 = Fe(C7H5O3)3 + 3 HCl
Zn + CuCl2 = Cu + ZnCl2 =>
Zn + CuCl2 = Cu + ZnCl2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
ZnI2 = Zn + I2 =>
ZnI2 = Zn + I2
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
lead(II)nitrate + potassiumchromate = lead(II)chromate + potassiumnitrate =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
H3PO4 + C = CO2 + PH3 =>
H3PO4 + 2 C = 2 CO2 + PH3
Fe + (OH)2 = Fe(OH)2 =>
Fe + (OH)2 = Fe(OH)2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
H2Cl2 + NaHCO3 = CO2 + H2O + NaCl =>
H2Cl2 + 2 NaHCO3 = 2 CO2 + 2 H2O + 2 NaCl
AgNO3 + H3PO = Ag3PO + HNO3 =>
3 AgNO3 + H3PO = Ag3PO + 3 HNO3
Ag + Cu2(NO3)2 = Cu + Ag(NO3)2 =>
Ag + Cu2(NO3)2 = 2 Cu + Ag(NO3)2
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
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