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3(NH4)2SO4 + 2 H3PO4 = 2(NH4)3PO4 + 3 H2SO4
H2SO4 + FeS = FeSO4 + H2S =>
H2SO4 + FeS = FeSO4 + H2S
C + O2 = CO =>
2 C + O2 = 2 CO
P + N2 = PN =>
2 P + N2 = 2 PN
NaI + H2O2 + H2SO4 = I2 + Na2SO4 + H2O =>
2 NaI + H2O2 + H2SO4 = I2 + Na2SO4 + 2 H2O
[Cu(NH3)2]Cl + NH4OH + O2 = CuO + NH4Cl + NH3 =>
4[Cu(NH3)2]Cl + 2 NH4OH + O2 = 4 CuO + 4 NH4Cl + 6 NH3
K2S + Fe(OH)2 = FeS + KOH =>
K2S + Fe(OH)2 = FeS + 2 KOH
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Mg + HNO3 = Mg(NO3)2 + N2 + H2O =>
5 Mg + 12 HNO3 = 5 Mg(NO3)2 + N2 + 6 H2O
K + (NH4)2S = K2S + NH4 =>
2 K + (NH4)2S = K2S + 2 NH4
BaCl + Na2SO4 = NaSO4 + NaCl + Ba =>
BaCl + Na2SO4 = NaSO4 + NaCl + Ba
K + Na2S = K2S + Na =>
2 K + Na2S = K2S + 2 Na
NaHCO3 + CaOH = NaCO3 + CaH2O =>
NaHCO3 + CaOH = NaCO3 + CaH2O
KMnO4 + KOH = K2MnO4 + O2 + H2O =>
4 KMnO4 + 4 KOH = 4 K2MnO4 + O2 + 2 H2O
Na2SO4(aq) + CaCl2(aq) = NaCl(aq) + CaSO4(aq) =>
Na2SO4(aq) + CaCl2(aq) = 2 NaCl(aq) + CaSO4(aq)
NH3 + H2O + BaCl2 = NH4Cl + BaO =>
2 NH3 + H2O + BaCl2 = 2 NH4Cl + BaO
Fe4 + CuSO4 = FeSO4 + Cu =>
Fe4 + 4 CuSO4 = 4 FeSO4 + 4 Cu
MgO2 + HCl = MgCl2 + H2O + Cl2 =>
MgO2 + 4 HCl = MgCl2 + 2 H2O + Cl2
H2S + Pb2NO3 = Pb2S + H2NO3 =>
H2S + Pb2NO3 = Pb2S + H2NO3
H4B2O4 + H2O + O2 = H3BO3 =>
2 H4B2O4 + 2 H2O + O2 = 4 H3BO3
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
PCl5 + H2O = P2O5 + HCl =>
2 PCl5 + 5 H2O = P2O5 + 10 HCl
He + O2 = HeO2 =>
He + O2 = HeO2
Zn + Cu(NO3)2 = Zn(NO3)2 + copper =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
(NH4)2SO4 + H3PO4 = NH4H2PO4 + H2SO4 =>
(NH4)2SO4 + 2 H3PO4 = 2 NH4H2PO4 + H2SO4
Na2Cr2O7 + KI + H2O = Cr(OH)3 + KOH + I2 + NaOH =>
Na2Cr2O7 + 6 KI + 7 H2O = 2 Cr(OH)3 + 6 KOH + 3 I2 + 2 NaOH
CH3COOH + NaOCl = CH3COONa + HCl + O2 =>
2 CH3COOH + 2 NaOCl = 2 CH3COONa + 2 HCl + O2
FeCl + NaPO = FePO + NaCl =>
FeCl + NaPO = FePO + NaCl
S2 + Cu2 = Cu2S =>
S2 + 2 Cu2 = 2 Cu2S
SiO2 + NaCO3 = NaSiO3 + CO2 =>
SiO2 + NaCO3 = NaSiO3 + CO2
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
Br2 + FeCl3 = ClBr3 + Fe =>
9 Br2 + 2 FeCl3 = 6 ClBr3 + 2 Fe
PCl5 + H2O = P2O5 + HCl =>
2 PCl5 + 5 H2O = P2O5 + 10 HCl
AI + Fe2O3 = AIO3 + Fe2 =>
AI + Fe2O3 = AIO3 + Fe2
Cl{5+} + {-} = Cl2 =>
2 Cl{5+} + 10e = Cl2
HgCl2 + KI(diluido) = KCl + K2HgI4 =>
HgCl2 + 4 KI(diluido) = 2 KCl + K2HgI4
HCl = H2 + Cl2 =>
2 HCl = H2 + Cl2
Ca + N = Ca3N2 =>
3 Ca + 2 N = Ca3N2
FeCl3 + Na2Co3 = Fe2(Co3)3 + NaCl =>
2 FeCl3 + 3 Na2Co3 = Fe2(Co3)3 + 6 NaCl
KMnO4 + H2SO4 = MnSO4 + K2SO4 + O2 + H2O =>
4 KMnO4 + 6 H2SO4 = 4 MnSO4 + 2 K2SO4 + 5 O2 + 6 H2O
PCl5 + H2O = P2O5 + HCl =>
2 PCl5 + 5 H2O = P2O5 + 10 HCl
K2S + HNO3 = KNO3 + S + NO + H2O =>
3 K2S + 8 HNO3 = 6 KNO3 + 3 S + 2 NO + 4 H2O
NO + Al + H2O = NH3 + AlO2 =>
4 NO + 5 Al + 6 H2O = 4 NH3 + 5 AlO2
Cu20 + O2 = CuO =>
Cu20 + 10 O2 = 20 CuO
S8 + H2O = SO2 + H2 =>
S8 + 16 H2O = 8 SO2 + 16 H2
Na2S2O3 + HCl = NaCl + Na2SO4 + S + H2O =>
3 Na2S2O3 + 2 HCl = 2 NaCl + 2 Na2SO4 + 4 S + H2O
NH4Cl = NH4 + Cl =>
NH4Cl = NH4 + Cl
H3PO4 + (NH4)2SO4 = (NH4)2HPO4 + H2SO4 =>
H3PO4 + (NH4)2SO4 = (NH4)2HPO4 + H2SO4
PCl5 + H2O = P2O5 + HCl =>
2 PCl5 + 5 H2O = P2O5 + 10 HCl
Ca(NO3)2 + Mg3(PO4)2 = Mg3(NO3)2 + Ca(PO4)2 =>
Ca(NO3)2 + Mg3(PO4)2 = Mg3(NO3)2 + Ca(PO4)2
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