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2 Al(OH)3 = Al2O3 + 3 H2O
Pb(C2H3O2)2(aq) + H2S(aq) = PbS(s) + HC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + H2S(aq) = PbS(s) + 2 HC2H3O2(aq)
C + O2 = CO =>
2 C + O2 = 2 CO
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
K2FeO4 + NH3*H2O = FeO(OH) + N2 + KOH + H2O =>
2 K2FeO4 + 2 NH3*H2O = 2 FeO(OH) + N2 + 4 KOH + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaOH(aq) + H3PO4(aq) = Na3PO4(aq) + H2O(l) =>
3 NaOH(aq) + H3PO4(aq) = Na3PO4(aq) + 3 H2O(l)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Pb3O4 + H2 = Pb + H2O =>
Pb3O4 + 4 H2 = 3 Pb + 4 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
AI2O3 + H2SO4 = AI2(SO4)3 + H2O =>
AI2O3 + 3 H2SO4 = AI2(SO4)3 + 3 H2O
Na2S + KMnO4 + H2O = S + MnO2 + NaOH + KOH =>
3 Na2S + 2 KMnO4 + 4 H2O = 3 S + 2 MnO2 + 6 NaOH + 2 KOH
Zn + OH{-} + H2O + NO3{-} = Zn(OH)4{2-} + NH3 =>
4 Zn + 7 OH{-} + 6 H2O + NO3{-} = 4 Zn(OH)4{2-} + NH3
Mg + K2Cr2O7 + H2SO4 = MgSO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 Mg + K2Cr2O7 + 7 H2SO4 = 3 MgSO4 + K2SO4 + Cr2(SO4)3 + 7 H2O
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Fe2(SO3)3 + HCl = FeCl3 + SO2 + H2O =>
Fe2(SO3)3 + 6 HCl = 2 FeCl3 + 3 SO2 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Li2CO3(s) = Li2O(s) + CO2(g) =>
Li2CO3(s) = Li2O(s) + CO2(g)
S + O2 = SO2 =>
S + O2 = SO2
LiF + Ni(OH2) + O2 = LiNiO2 + H2O + HF =>
4 LiF + 4 Ni(OH2) + 3 O2 = 4 LiNiO2 + 2 H2O + 4 HF
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe(OH)2 + H3PO4 = Fe3(PO4)2 + H2O =>
3 Fe(OH)2 + 2 H3PO4 = Fe3(PO4)2 + 6 H2O
LiF + Ni(OH)2 + O2 = LiNiO2 + H2O + HF =>
4 LiF + 4 Ni(OH)2 + O2 = 4 LiNiO2 + 2 H2O + 4 HF
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NaOH(aq) + H3PO4(aq) = Na3PO4(aq) + H2O(l) =>
3 NaOH(aq) + H3PO4(aq) = Na3PO4(aq) + 3 H2O(l)
Pb(C2H3O2)2(aq) + H2S(aq) = PbS(s) + HC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + H2S(aq) = PbS(s) + 2 HC2H3O2(aq)
AgNO3 + Na3PO4 = Ag3PO4 + NaNO3 =>
3 AgNO3 + Na3PO4 = Ag3PO4 + 3 NaNO3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
FeO(OH) + K2C2O4 + H2C2O4 = K3Fe(C2O4)3 + H2O =>
2 FeO(OH) + 3 K2C2O4 + 3 H2C2O4 = 2 K3Fe(C2O4)3 + 4 H2O
K + S = K2S =>
2 K + S = K2S
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NH2CH2COOH + Na2O = NH2CH2COONa + H2O =>
2 NH2CH2COOH + Na2O = 2 NH2CH2COONa + H2O
Na2O + HCl = NaCl + H2O =>
Na2O + 2 HCl = 2 NaCl + H2O
Ca(Br)2 + Na3PO4 = NaBr + Ca3(PO4)2 =>
3 Ca(Br)2 + 2 Na3PO4 = 6 NaBr + Ca3(PO4)2
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Mg2 + TiCl4 = MgCl2 + Ti =>
Mg2 + TiCl4 = 2 MgCl2 + Ti
CH4 + H2O = CO2 + H2 =>
CH4 + 2 H2O = CO2 + 4 H2
C2H5NH2 + O2 = CO2 + H2O + N2 =>
4 C2H5NH2 + 15 O2 = 8 CO2 + 14 H2O + 2 N2
NaOH(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) =>
2 NaOH(aq) + H2SO4(aq) = Na2SO4(aq) + 2 H2O(l)
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Na + O = NaO =>
Na + O = NaO
NaCN + H2SO4 = Na2SO4 + HCN =>
2 NaCN + H2SO4 = Na2SO4 + 2 HCN
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