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4 Sc2O3 + 9 Fe = 3 Fe3O4 + 8 Sc
Mg + H2O = MgO + H2 =>
Mg + H2O = MgO + H2
HI + Ba(CH3COO)2 = I + CH3COOH + Ba =>
2 HI + Ba(CH3COO)2 = 2 I + 2 CH3COOH + Ba
FeO + Br2 + H2SO4 = Fe2(SO4)3 + HBr + H2O =>
2 FeO + Br2 + 3 H2SO4 = Fe2(SO4)3 + 2 HBr + 2 H2O
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
Li + H2O = H2 + LiOH =>
2 Li + 2 H2O = H2 + 2 LiOH
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
B2H2 + Cl2 = B2Cl2 + H2 =>
B2H2 + Cl2 = B2Cl2 + H2
ZnAgNO3 = Zn(NO3)Ag =>
ZnAgNO3 = Zn(NO3)Ag
C2H4 + KMnO4 + H2O = MnO2 + KOH + C2H6O2 =>
3 C2H4 + 2 KMnO4 + 4 H2O = 2 MnO2 + 2 KOH + 3 C2H6O2
FeCl3 + O2 = Fe2O3 + Cl2 =>
4 FeCl3 + 3 O2 = 2 Fe2O3 + 6 Cl2
BaCO3H2SO4 = BaSO4H2CO3 =>
BaCO3H2SO4 = BaSO4H2CO3
CuONa2CO3 = CuCO3Na2O =>
CuONa2CO3 = CuCO3Na2O
NH4OH + (AlCl3) = NH4Cl + Al(OH)3 =>
3 NH4OH + (AlCl3) = 3 NH4Cl + Al(OH)3
K2S + Pb(NO3)2 = KNO3 + PbS =>
K2S + Pb(NO3)2 = 2 KNO3 + PbS
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
CaS + HBr = CaBr2 + H2S =>
CaS + 2 HBr = CaBr2 + H2S
CH3COOHC6H5CH2OH = CH3COO(CH2)H5C6H2O =>
CH3COOHC6H5CH2OH = CH3COO(CH2)H5C6H2O
PbO2 = Pb1 + O2 =>
PbO2 = Pb1 + O2
C7H5(NO2)3 = C + CO2 + N2 + H2O =>
4 C7H5(NO2)3 = 21 C + 7 CO2 + 6 N2 + 10 H2O
BaSO4NaOH = NaSO4BaOH =>
BaSO4NaOH = NaSO4BaOH
N2O3 + H2O = HNO3 + NO =>
3 N2O3 + H2O = 2 HNO3 + 4 NO
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
ZnSO4 + Ba(OH)2 = (ZnOH)2SO4 + BaSO4 =>
2 ZnSO4 + Ba(OH)2 = (ZnOH)2SO4 + BaSO4
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Zn + KNO3 = Zn(NO3)2 + K =>
Zn + 2 KNO3 = Zn(NO3)2 + 2 K
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH3NH4Cl + NaOH = CH3NH4OH + NaCl =>
CH3NH4Cl + NaOH = CH3NH4OH + NaCl
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
PbO2 = Pb1 + O2 =>
PbO2 = Pb1 + O2
NH4OH + HCl = NH4 + Cl + H2O =>
NH4OH + HCl = NH4 + Cl + H2O
NH4OH + H2O = NH4O{-} + H3O{+} =>
NH4OH + H2O = NH4O{-} + H3O{+}
Hg + H3PO4 = Hg3(PO4)2 + H2 =>
3 Hg + 2 H3PO4 = Hg3(PO4)2 + 3 H2
Li + H2SO4 = H2O + SO2 + Li2SO4 =>
2 Li + 2 H2SO4 = 2 H2O + SO2 + Li2SO4
KOH(aq) + H3PO4 = K3PO4 + H2O =>
3 KOH(aq) + H3PO4 = K3PO4 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
La + H2O = La(OH)3 + H2 =>
2 La + 6 H2O = 2 La(OH)3 + 3 H2
H2SO4 + Ba(NO3)2 = BaSO4 + HNO3 =>
H2SO4 + Ba(NO3)2 = BaSO4 + 2 HNO3
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
C10H8 + O2 = CO2 + H2O =>
C10H8 + 12 O2 = 10 CO2 + 4 H2O
Mg3(PO4)2 + LiOH = Li3PO4 + Mg(OH)2 =>
Mg3(PO4)2 + 6 LiOH = 2 Li3PO4 + 3 Mg(OH)2
H2O2 + BrN3 = NO2 + HBrO3 + H2O =>
17 H2O2 + 2 BrN3 = 6 NO2 + 2 HBrO3 + 16 H2O
Na2CO3 + Ca(NO3)2 = NaNO3 + CaCO3 =>
Na2CO3 + Ca(NO3)2 = 2 NaNO3 + CaCO3
Mg + HNO3 = Mg(NO3)2 + NH4NO3 + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
NaH2PO4 = NaPO3 + H2O =>
NaH2PO4 = NaPO3 + H2O
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