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2 Al + 3 Cl2 = 2 AlCl3
CuBr2 + NH3 = Cu(NH3)2 + Br =>
CuBr2 + 2 NH3 = Cu(NH3)2 + 2 Br
CuBr2 + NH3 = Cu(NH3) + Br =>
CuBr2 + NH3 = Cu(NH3) + 2 Br
Fe(NO3)3 + NaOH = NaNO3 + Fe(OH)3 =>
Fe(NO3)3 + 3 NaOH = 3 NaNO3 + Fe(OH)3
[(PPh3)2Cu(BH4)] = PPh3BH3 + Cu + Ph3P + H2 =>
2[(PPh3)2Cu(BH4)] = 2 PPh3BH3 + 2 Cu + 2 Ph3P + H2
Cu{2+} + I{-} = CuI + I2 =>
2 Cu{2+} + 4 I{-} = 2 CuI + I2
SO2 + Na2CO3 = Na2SO3 + CO2 =>
SO2 + Na2CO3 = Na2SO3 + CO2
CO + H = CH4 + H2O =>
CO + 6 H = CH4 + H2O
As + NaOH + O2 = Na3AsO4 + H2O =>
4 As + 12 NaOH + 5 O2 = 4 Na3AsO4 + 6 H2O
HgCl2 + NH3 = HgNH3 + Cl =>
HgCl2 + NH3 = HgNH3 + 2 Cl
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
KMnO4 + KCl + H2SO4 = Cl2 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 10 KCl + 8 H2SO4 = 5 Cl2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
Cu(NO3)2 + NaOH = NaNO3 + Cu(OH)2 =>
Cu(NO3)2 + 2 NaOH = 2 NaNO3 + Cu(OH)2
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
C4H10 + O = CO2 + H2O =>
C4H10 + 13 O = 4 CO2 + 5 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Mg(oh)2 + H2SO4 = MgSO4 + H20 =>
5 Mg(oh)2 + 10 H2SO4 = 10 MgSO4 + H20
CH3COOH + FeCl3 = (CH3COO)3Fe + HCl =>
3 CH3COOH + FeCl3 = (CH3COO)3Fe + 3 HCl
P4O10 + Na2CO3 = Na5P3O10 + CO2 =>
3 P4O10 + 10 Na2CO3 = 4 Na5P3O10 + 10 CO2
HgCl2 + Al = AlCl3 + Hg =>
3 HgCl2 + 2 Al = 2 AlCl3 + 3 Hg
C2H4O2 + Ca(OH)2 = H2O + Ca(C2H3O2)2 =>
2 C2H4O2 + Ca(OH)2 = 2 H2O + Ca(C2H3O2)2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Al + H2O = H2 + Al(OH)3 =>
2 Al + 6 H2O = 3 H2 + 2 Al(OH)3
NaCl + HNO3 = Cl2 + NOCl + NaNO3 + H2O =>
3 NaCl + 4 HNO3 = Cl2 + NOCl + 3 NaNO3 + 2 H2O
MnO2 + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 KOH = 3 K2MnO4 + KCl + 3 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
MnO4{-} + H{+} = MnO2 + H2O + MnO4 =>
4 MnO4{-} + 4 H{+} = MnO2 + 2 H2O + 3 MnO4
K + H2O = H2 + KOH =>
2 K + 2 H2O = H2 + 2 KOH
NH3 + CO2 = CO(NH2)2 + H2O =>
2 NH3 + CO2 = CO(NH2)2 + H2O
Cu + Cl = CuCl =>
Cu + Cl = CuCl
O2 + C4H10 = H2O + C =>
5 O2 + 2 C4H10 = 10 H2O + 8 C
Cu + Cl2 = CuCl =>
2 Cu + Cl2 = 2 CuCl
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Mg + H2O = H2 + Mg(OH)2 =>
Mg + 2 H2O = H2 + Mg(OH)2
Si + HF = SiF4 + H2 =>
Si + 4 HF = SiF4 + 2 H2
V2O5 + Na2CO3 = Na4V2O7 + CO2 =>
V2O5 + 2 Na2CO3 = Na4V2O7 + 2 CO2
Ba + H2SO4 = BaSO4 + H =>
Ba + H2SO4 = BaSO4 + 2 H
MnO4{-} = MnO4 + MnO4{2-} =>
2 MnO4{-} = MnO4 + MnO4{2-}
(CH3COO)3Fe + H2O = Fe(OH)(CH3COO)2 + CH3COOH =>
(CH3COO)3Fe + H2O = Fe(OH)(CH3COO)2 + CH3COOH
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
Na2S + HCl = H2S + NaCl =>
Na2S + 2 HCl = H2S + 2 NaCl
CuO + Na2CO3 = CuCO3 + Na2O =>
CuO + Na2CO3 = CuCO3 + Na2O
SnCl4 + NaOH = H2O + Na2SnO3 + NaCl =>
SnCl4 + 6 NaOH = 3 H2O + Na2SnO3 + 4 NaCl
Ca + H2SO4 = CaSO4 + H =>
Ca + H2SO4 = CaSO4 + 2 H
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