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Fe + 2 HCl = FeCl2 + H2
Hg(NO3)2 + KI = HgI2 + KNO3 =>
Hg(NO3)2 + 2 KI = HgI2 + 2 KNO3
Hg(NO3)2 + CaSO4 = HgSO4 + Ca(NO3)2 =>
Hg(NO3)2 + CaSO4 = HgSO4 + Ca(NO3)2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
zinc + hydrobromicacid = zincbromide + hydrogen =>
Zn + 2 HBr = ZnBr2 + H2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + Ca(SO4) =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 Ca(SO4)
SO2 + O2 + NaOH = Na2SO4 + H2O =>
2 SO2 + O2 + 4 NaOH = 2 Na2SO4 + 2 H2O
H3PO4 + CaCl = Ca3PO4 + HCl =>
H3PO4 + 3 CaCl = Ca3PO4 + 3 HCl
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
K2O + H3PO4 = H2O + K3PO4 =>
3 K2O + 2 H3PO4 = 3 H2O + 2 K3PO4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
KCl + O2 = KClO3 =>
2 KCl + 3 O2 = 2 KClO3
CaO + H2O = H2CaO2 =>
CaO + H2O = H2CaO2
FeO(s) + O2(g) = Fe2O3 =>
4 FeO(s) + O2(g) = 2 Fe2O3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + Ca(SO4) =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 Ca(SO4)
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CuCO3 + ZnBr2 = CuBr2 + ZnCO3 =>
CuCO3 + ZnBr2 = CuBr2 + ZnCO3
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
Bi2O3 + NaOH + NaOCl = NaBiO3 + NaCl + H2O =>
Bi2O3 + 2 NaOH + 2 NaOCl = 2 NaBiO3 + 2 NaCl + H2O
FeO(s) + O2(g) = Fe2O3 =>
4 FeO(s) + O2(g) = 2 Fe2O3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
MgSO4 + ZnO = ZnSO4 + MgO =>
MgSO4 + ZnO = ZnSO4 + MgO
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Na3P + H2O = PH3 + NaOH =>
Na3P + 3 H2O = PH3 + 3 NaOH
C2H7N + O2 = CO2 + H2O + N2 =>
4 C2H7N + 15 O2 = 8 CO2 + 14 H2O + 2 N2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
CuSO4*5H2O + KNO3 = Cu(NO3)2 + K2SO4 + H2O =>
CuSO4*5H2O + 2 KNO3 = Cu(NO3)2 + K2SO4 + 5 H2O
AlCl3 + Ba(NO3)2 = BaCl2 + Al(NO3)3 =>
2 AlCl3 + 3 Ba(NO3)2 = 3 BaCl2 + 2 Al(NO3)3
Magnesium + water = Mg(OH)3 + hydrogen =>
2 Mg + 6 H2O = 2 Mg(OH)3 + 3 H2
Magnesium + water = Mg(OH)2 + hydrogen =>
Mg + 2 H2O = Mg(OH)2 + H2
CuSO4*5H2O + KOH = Cu(OH)2 + K2SO4 + H2O =>
CuSO4*5H2O + 2 KOH = Cu(OH)2 + K2SO4 + 5 H2O
BaCl2 + NaPO3 = NaCl + Ba(PO3)2 =>
BaCl2 + 2 NaPO3 = 2 NaCl + Ba(PO3)2
C10H14N2Na2O8 + Mg(OH)2 = C10H12MgN2Na2O8 + H2O =>
C10H14N2Na2O8 + Mg(OH)2 = C10H12MgN2Na2O8 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuCl2 + Fe(OH)3 = FeCl3 + Cu(OH)2 =>
3 CuCl2 + 2 Fe(OH)3 = 2 FeCl3 + 3 Cu(OH)2
SiO2(s) + HF(aq) = SiF4(g) + H2O(l) =>
SiO2(s) + 4 HF(aq) = SiF4(g) + 2 H2O(l)
potassiumhydroxide = K2O + water =>
2 KOH = K2O + H2O
MG + F2 = MGF =>
2 MG + F2 = 2 MGF
CaSO3 + O2 = CaSO4 =>
2 CaSO3 + O2 = 2 CaSO4
Fe2 + HCl = Fe2Cl2 + H2 =>
Fe2 + 2 HCl = Fe2Cl2 + H2
CuCl2 + H2O = Cu(OH)2 + HCl =>
CuCl2 + 2 H2O = Cu(OH)2 + 2 HCl
H2O + C2H4 = CH3CH2OH =>
H2O + C2H4 = CH3CH2OH
Na + O = Na2O =>
2 Na + O = Na2O
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