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6 Fe3O4 + 28 H2SO4 = 9 Fe2(SO4)3 + S + 28 H2O
Na2NO2 + HCl = NaCl + NO + H2O =>
Na2NO2 + 2 HCl = 2 NaCl + NO + H2O
(NH4)2O + MgCl2 = NH4Cl + MgO =>
(NH4)2O + MgCl2 = 2 NH4Cl + MgO
FeCl2 + KNO3 = Fe(NO3)2 + KCl =>
FeCl2 + 2 KNO3 = Fe(NO3)2 + 2 KCl
BaCl2 + HCl = BaH + ClCl2 =>
BaCl2 + HCl = BaH + ClCl2
K2SO3 + HBr = KBr + H2O + SO2 =>
K2SO3 + 2 HBr = 2 KBr + H2O + SO2
Ca(NO3)2 + NH4F = CaF2 + N2O + H2O =>
Ca(NO3)2 + 2 NH4F = CaF2 + 2 N2O + 4 H2O
Mg + TaCl5 = MgCl2 + Ta =>
5 Mg + 2 TaCl5 = 5 MgCl2 + 2 Ta
AgNO3 + NaCl = AgNa + Cl(NO3) =>
AgNO3 + NaCl = AgNa + Cl(NO3)
Na2Cr2O7 + Cu2O + H2O = Cu(OH)2 + Cr(OH)3 + NaOH =>
Na2Cr2O7 + 3 Cu2O + 10 H2O = 6 Cu(OH)2 + 2 Cr(OH)3 + 2 NaOH
NaCl + CuSO4 = Na(SO4) + CuCl =>
NaCl + CuSO4 = Na(SO4) + CuCl
P + KClO4 = KCl + P2O5 =>
8 P + 5 KClO4 = 5 KCl + 4 P2O5
NaOH + H3Po4 = Na3Po4 + H2O =>
3 NaOH + H3Po4 = Na3Po4 + 3 H2O
H2 + C2H6 = H2C2H6 =>
H2 + C2H6 = H2C2H6
PbCl2 + H2 = Pb + HCl =>
PbCl2 + H2 = Pb + 2 HCl
ZnO + KOH = K2ZnO2 + H2O =>
ZnO + 2 KOH = K2ZnO2 + H2O
KMnO4(ac) + SnCl2(ac) + HCl(ac) = MnCl2(ac) + KCl(ac) + SnCl4(ac) + H2O(l) =>
2 KMnO4(ac) + 5 SnCl2(ac) + 16 HCl(ac) = 2 MnCl2(ac) + 2 KCl(ac) + 5 SnCl4(ac) + 8 H2O(l)
Fe(NO3)3 + Na2CO3 = Fe(CO3)3 + Na2NO3 =>
Fe(NO3)3 + 3 Na2CO3 = Fe(CO3)3 + 3 Na2NO3
(C8)(H18) + (O2) = (CO2) + (H2O) =>
2(C8)(H18) + 25(O2) = 16(CO2) + 18(H2O)
MnO2(s) + HCl = MnCl2 + Cl2 + H2O =>
MnO2(s) + 4 HCl = MnCl2 + Cl2 + 2 H2O
CS2 + NH3 = H2S + NH4SCN =>
CS2 + 2 NH3 = H2S + NH4SCN
Fe(OH)SO4 + NaHCO3 = Na2SO4 + FeO(OH) + CO2 + H2O =>
Fe(OH)SO4 + 2 NaHCO3 = Na2SO4 + FeO(OH) + 2 CO2 + H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
H2SO2 + KI = H2S + I2 + K2SO4 + H2O =>
5 H2SO2 + 4 KI = 3 H2S + 2 I2 + 2 K2SO4 + 2 H2O
CuO + C = Cu + CO =>
CuO + C = Cu + CO
MgCl(aq) = Mg(aq) + Cl(aq) =>
MgCl(aq) = Mg(aq) + Cl(aq)
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
NHO3 = H2O + NO2 + O2 =>
4 NHO3 = 2 H2O + 4 NO2 + O2
C2H4O3 + NaHCO3 = NaC2H3O + CO2 + H2O =>
5 C2H4O3 + 3 NaHCO3 = 3 NaC2H3O + 7 CO2 + 7 H2O
Fe3O4 + H2O = Fe(OH)3 + H2 =>
2 Fe3O4 + 10 H2O = 6 Fe(OH)3 + H2
Y + HNO3 = Y(NO3)3 + NO + H2O =>
Y + 4 HNO3 = Y(NO3)3 + NO + 2 H2O
P + HNO3 + H2O = H3PO4 + NO =>
3 P + 5 HNO3 + 2 H2O = 3 H3PO4 + 5 NO
C6H5OH + Br2 + H2O = C6H2BrOH + H3O{+} + Br{-} =>
C6H5OH + 2 Br2 + 3 H2O = C6H2BrOH + 3 H3O{+} + 3 Br{-}
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
K2CO3 + MgCO3 = K2Mg(CO3)2 =>
K2CO3 + MgCO3 = K2Mg(CO3)2
CuCO3 + H2O = Cu(OH)2 + CO2 =>
CuCO3 + H2O = Cu(OH)2 + CO2
Cr + Mg2(SO4)2 = Mg + Cr2(SO4)3 =>
4 Cr + 3 Mg2(SO4)2 = 6 Mg + 2 Cr2(SO4)3
NaOH + Cr(OH)3 + NaOBr = Na2CrO4 + NaBr + H2O =>
4 NaOH + 2 Cr(OH)3 + 3 NaOBr = 2 Na2CrO4 + 3 NaBr + 5 H2O
ZnOH + Mg = MgOH + Zn =>
ZnOH + Mg = MgOH + Zn
KNO3 + Cu = Cu2NO3 + K =>
KNO3 + 2 Cu = Cu2NO3 + K
Fe(OH)SO4 + NaHCO3 = Na2SO4 + FeO(OH) + CO2 + H2O =>
Fe(OH)SO4 + 2 NaHCO3 = Na2SO4 + FeO(OH) + 2 CO2 + H2O
C12 + H2O = HC1 + HC1O =>
C12 + 6 H2O = 6 HC1 + 6 HC1O
Na4SiO4 + HF = H2SiF6 + NaF + H2O =>
Na4SiO4 + 10 HF = H2SiF6 + 4 NaF + 4 H2O
C2H6 + H2O = CO + H2 =>
C2H6 + 2 H2O = 2 CO + 5 H2
C12 + H2O = HC1 + HC1O =>
C12 + 6 H2O = 6 HC1 + 6 HC1O
Al2O3 + H2O4S = Al(OH)3 + SO3 =>
Al2O3 + 3 H2O4S = 2 Al(OH)3 + 3 SO3
Fe304 + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe304 + 1216 HNO3 = 304 Fe(NO3)3 + 304 NO + 608 H2O
Ag + H3PO4 = Ag3(PO4) + H2 =>
6 Ag + 2 H3PO4 = 2 Ag3(PO4) + 3 H2
TeO3 + Sr(OH)2 = SrTeO4 + H2O =>
TeO3 + Sr(OH)2 = SrTeO4 + H2O
BaCO3 + HC2H3O2 = Ba(C2H3O2)2 + H2CO3 =>
BaCO3 + 2 HC2H3O2 = Ba(C2H3O2)2 + H2CO3
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