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2 Al + 3 Br2 = 2 AlBr3
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
K + S = K2S =>
2 K + S = K2S
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Na2O2 + H2SO4 = Na2SO4 + H2O2 =>
Na2O2 + H2SO4 = Na2SO4 + H2O2
Na2CO3 + NH4NO3 = NaNO3 + (NH4)2CO3 =>
Na2CO3 + 2 NH4NO3 = 2 NaNO3 + (NH4)2CO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
CH3OH + O2 = C + H2O =>
2 CH3OH + O2 = 2 C + 4 H2O
H2SO4 + Zn(OH)2 = ZnSO4 + H2O =>
H2SO4 + Zn(OH)2 = ZnSO4 + 2 H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Ba + H2O = BaO + H2 =>
Ba + H2O = BaO + H2
Mn + HL = H2 + MnL3 =>
2 Mn + 6 HL = 3 H2 + 2 MnL3
H + PO4 = H3PO4 =>
3 H + PO4 = H3PO4
H2SO3 = H2O + SO2 =>
H2SO3 = H2O + SO2
K + O2 = K2O =>
4 K + O2 = 2 K2O
Al + HIO3 = Al2(IO3)3 + H2 =>
4 Al + 6 HIO3 = 2 Al2(IO3)3 + 3 H2
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
MnO2 + KNO3 + KOH = K2MnO4 + KNO2 + H2O =>
MnO2 + KNO3 + 2 KOH = K2MnO4 + KNO2 + H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O =>
2 CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O
H2S + H3AsO4 = As2S3 + S + H2O =>
5 H2S + 2 H3AsO4 = As2S3 + 2 S + 8 H2O
NaClO3 + HCl = NaOH + Cl2 + H2O =>
NaClO3 + 5 HCl = NaOH + 3 Cl2 + 2 H2O
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2SO4 + Mg3(PO4)2 = MgSO4 + Na3PO4 =>
3 Na2SO4 + Mg3(PO4)2 = 3 MgSO4 + 2 Na3PO4
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
ZnNo3 + LiS = ZnS + LiNo3 =>
ZnNo3 + LiS = ZnS + LiNo3
CaF2 + Li2SO4 = CaSO4 + LiF =>
CaF2 + Li2SO4 = CaSO4 + 2 LiF
H2SO4 + Zn(OH)2 = ZnSO4 + H2O =>
H2SO4 + Zn(OH)2 = ZnSO4 + 2 H2O
H2SiO3 + Fe(OH)3 = Fe2(SiO3)3 + H2O =>
3 H2SiO3 + 2 Fe(OH)3 = Fe2(SiO3)3 + 6 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
MgCl2 + Li2CO3 = MgCO3 + LiCl =>
MgCl2 + Li2CO3 = MgCO3 + 2 LiCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CaS + H2O = CaO + H2S =>
CaS + H2O = CaO + H2S
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
K3PO4 + BaCl2 = KCl + Ba3(PO4)2 =>
2 K3PO4 + 3 BaCl2 = 6 KCl + Ba3(PO4)2
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
Na3C6H5O7 + FeSO4*7H2O = FeC6H5NaO7 + Na2SO4 + H2O =>
Na3C6H5O7 + FeSO4*7H2O = FeC6H5NaO7 + Na2SO4 + 7 H2O
K + S = K2S =>
2 K + S = K2S
P4 + Cl2 = PCl5 =>
P4 + 10 Cl2 = 4 PCl5
Ca10F2(PO4)6 + H2SO4 = Ca(H2PO4)2 + CaSO4 + HF =>
Ca10F2(PO4)6 + 7 H2SO4 = 3 Ca(H2PO4)2 + 7 CaSO4 + 2 HF
(NH4)2S + LiOH = Li2S + NH3 + H2O =>
(NH4)2S + 2 LiOH = Li2S + 2 NH3 + 2 H2O
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
CH3COOH + Na = CH3COONa + H2 =>
2 CH3COOH + 2 Na = 2 CH3COONa + H2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
LiNO3 + CaBr2 = Ca(NO3)2 + LiBr =>
2 LiNO3 + CaBr2 = Ca(NO3)2 + 2 LiBr
CaCO3 + H2O + CO2 = Ca(HCO3)2 =>
CaCO3 + H2O + CO2 = Ca(HCO3)2
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