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2 FeCl3 + Be3(PO4)2 = 3 BeCl2 + 2 FePO4
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
H + O2 = H2O =>
4 H + O2 = 2 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
KCl + NaOH = KOH + NaCl =>
KCl + NaOH = KOH + NaCl
CO2 + H2 = CH4 + H2O =>
CO2 + 4 H2 = CH4 + 2 H2O
Pb(CH3COO)2 + Na2S + CaCl2 = PbS + Ca(CH3COO)2 + NaCl =>
Pb(CH3COO)2 + Na2S + CaCl2 = PbS + Ca(CH3COO)2 + 2 NaCl
Fe + C12 = FeC13 =>
12 Fe + 13 C12 = 12 FeC13
Pb(CH3COO)2 + Na2S + CaCl2 = PbS + Ca(CH3COO)2 + NaCl =>
Pb(CH3COO)2 + Na2S + CaCl2 = PbS + Ca(CH3COO)2 + 2 NaCl
I{-} = I2 + {-} =>
2 I{-} = I2 + 2e
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Al + H2SO4 = Al2SO4 + SO2 + H2O =>
2 Al + 2 H2SO4 = Al2SO4 + SO2 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + SO2 + H2O =>
2 Al + 6 H2SO4 = Al2(SO4)3 + 3 SO2 + 6 H2O
Cr2O7 + H2O = Cr + OH =>
Cr2O7 + 7 H2O = 2 Cr + 14 OH
Al + NaOH + H2O = Na(Al(OH)4) + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 Na(Al(OH)4) + 3 H2
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
(NH4)2CO3 = NH3 + CO2 + H2O =>
(NH4)2CO3 = 2 NH3 + CO2 + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HOCl{-} + I{-} + H{+} = I2 + Cl{-} + H2O =>
2 HOCl{-} + 2 I{-} + 2 H{+} = I2 + 2 Cl{-} + 2 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
NaOH + S = Na2S + Na2SO3 + H2O =>
6 NaOH + 3 S = 2 Na2S + Na2SO3 + 3 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Ca + H2SO4 = CaSO4 + H2S + H2O =>
4 Ca + 5 H2SO4 = 4 CaSO4 + H2S + 4 H2O
Fe2(SO4)3 + KSCN = K3Fe(SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2SO4
B2O3 + H2O = H3BO3 =>
B2O3 + 3 H2O = 2 H3BO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
B2O3 + Mg = MgO + B =>
B2O3 + 3 Mg = 3 MgO + 2 B
H2S + H2SO3 = S + H2O =>
2 H2S + H2SO3 = 3 S + 3 H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
C + O2 = CO =>
2 C + O2 = 2 CO
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C + O2 = CO2 =>
C + O2 = CO2
HCOOH = CO + H2O =>
HCOOH = CO + H2O
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
CaCO3 + H2CO3 = Ca(HCO3)2 =>
CaCO3 + H2CO3 = Ca(HCO3)2
Al + H2O = Al(OH)3 + H2 =>
2 Al + 6 H2O = 2 Al(OH)3 + 3 H2
Ca(HCO3)2 = CO2 + H2O + CaCO3 =>
Ca(HCO3)2 = CO2 + H2O + CaCO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
HOCl + H{+} + S2O3{-2} = Cl{-} + H2O + S4O6{-2} =>
HOCl + H{+} + 2 S2O3{-2} = Cl{-} + H2O + S4O6{-2}
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
SiO2 + Mg = Si + MgO =>
SiO2 + 2 Mg = Si + 2 MgO
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
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