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3 Ca + 2 H3PO4 = Ca3(PO4)2 + 3 H2
H2O2 + MnO2 = MnO4{-} + H{+} + H2O =>
3 H2O2 + 2 MnO2 = 2 MnO4{-} + 2 H{+} + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2S2O3 + HCl = NaCl + H2O + S + SO2 =>
Na2S2O3 + 2 HCl = 2 NaCl + H2O + S + SO2
C4H9OH + KMnO4 + H2SO4 = C4H8O + K2SO4 + MnSO4 + H2O =>
5 C4H9OH + 2 KMnO4 + 3 H2SO4 = 5 C4H8O + K2SO4 + 2 MnSO4 + 8 H2O
K + Pb(NO3)2 = KNO3 + Pb =>
2 K + Pb(NO3)2 = 2 KNO3 + Pb
PCI5 + H2O = H3PO4 + H + C + I =>
PCI5 + 4 H2O = H3PO4 + 5 H + C + 5 I
Mg + Sn(No3)2 = Mg(No3)2 + Sn =>
Mg + Sn(No3)2 = Mg(No3)2 + Sn
Al2O3 + PbCl4 = AlCl3 + PbO2 =>
2 Al2O3 + 3 PbCl4 = 4 AlCl3 + 3 PbO2
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg + Sn(No3)2 = Mg(No3)2 + Sn =>
Mg + Sn(No3)2 = Mg(No3)2 + Sn
S + KNO2 + KOH = K2SO3 + N2 + H2O =>
3 S + 4 KNO2 + 2 KOH = 3 K2SO3 + 2 N2 + H2O
Fe2(CrO4)3 + H2SO3 = Fe2(SO3)3 + H2CrO4 =>
Fe2(CrO4)3 + 3 H2SO3 = Fe2(SO3)3 + 3 H2CrO4
AgNO3 + FeCl3 = AgCl + Fe(NO3)3 =>
3 AgNO3 + FeCl3 = 3 AgCl + Fe(NO3)3
H2 + S = H2S =>
H2 + S = H2S
CuSO4 + Na2S2O3 + H2O = CuS + Na2SO4 + H2SO4 =>
CuSO4 + Na2S2O3 + H2O = CuS + Na2SO4 + H2SO4
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
[Cu(C4H8N2O2)3]SO4 + K2C2O4*H2O = [Cu(C4H8N2O2)2(C2O4)] + K2SO4 + C4H8N2O2 + H2O =>
[Cu(C4H8N2O2)3]SO4 + K2C2O4*H2O = [Cu(C4H8N2O2)2(C2O4)] + K2SO4 + C4H8N2O2 + H2O
Pb(NO3)2 + EDTA = Pb(EDTA)2 + NO3 =>
Pb(NO3)2 + 2 EDTA = Pb(EDTA)2 + 2 NO3
C5H9O + O2 = CO2 + H2O =>
4 C5H9O + 27 O2 = 20 CO2 + 18 H2O
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
Ca + H3PO4 = Ca3(PO4)2 + H2 =>
3 Ca + 2 H3PO4 = Ca3(PO4)2 + 3 H2
[Ni(NH3)6]Cl2 + NaOH = [Ni(NH3)6](OH)2 + NaCl =>
[Ni(NH3)6]Cl2 + 2 NaOH = [Ni(NH3)6](OH)2 + 2 NaCl
Er(OH)3 + H{+} = Er{3+} + H2O =>
Er(OH)3 + 3 H{+} = Er{3+} + 3 H2O
CaCO3 + HBr = CaBr2 + H2O + CO2 =>
CaCO3 + 2 HBr = CaBr2 + H2O + CO2
CH3(CHCl)CH2Cl + H2O = CH3(CHOH)CH2Cl + HCl =>
CH3(CHCl)CH2Cl + H2O = CH3(CHOH)CH2Cl + HCl
CO2 + CaO = CaCO3 =>
CO2 + CaO = CaCO3
Sr(HCO3)2 + KOH = K2CO3 + Sr(OH)2 + H2O =>
Sr(HCO3)2 + 4 KOH = 2 K2CO3 + Sr(OH)2 + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ti + CuCl2 = TiCl4 + Cu =>
Ti + 2 CuCl2 = TiCl4 + 2 Cu
Mg + I3{-} = Mg{2+} + I{-} =>
Mg + I3{-} = Mg{2+} + 3 I{-}
Ba(OH)2 + KF = KOH + BaF2 =>
Ba(OH)2 + 2 KF = 2 KOH + BaF2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeBr3 + Cu2SO4 = Fe2(SO4)3 + CuBr =>
2 FeBr3 + 3 Cu2SO4 = Fe2(SO4)3 + 6 CuBr
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
K{3}PO{4} + HCl = KCl + H{3}PO{4} =>
K{3}PO{4} + HCl = KCl + H{3}PO{4}
NH4NO3 + NaCl = NH4Cl + NaNO3 =>
NH4NO3 + NaCl = NH4Cl + NaNO3
K + O2 + S8 = K2SO4 =>
16 K + 16 O2 + S8 = 8 K2SO4
Al(NO3)3 + Ba(OH)2 = Al(OH)3 + Ba(NO3)2 =>
2 Al(NO3)3 + 3 Ba(OH)2 = 2 Al(OH)3 + 3 Ba(NO3)2
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
K3PO4 + Ca(NO3)2 = Ca3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Ca(NO3)2 = Ca3(PO4)2 + 6 KNO3
K2SO4 = K + SO4 =>
K2SO4 = 2 K + SO4
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Mg2Si + KOH = Mg(OH)2 + K4Si =>
Mg2Si + 4 KOH = 2 Mg(OH)2 + K4Si
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
Mg + Fe{3+} = Mg{+2} + Fe =>
3 Mg + 2 Fe{3+} = 3 Mg{+2} + 2 Fe
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
LaC2(g) + H2O(g) = La(OH)3(s) + C2H2(g) + H2(g) =>
2 LaC2(g) + 6 H2O(g) = 2 La(OH)3(s) + 2 C2H2(g) + H2(g)
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