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2 Na2 + O2 = 2 Na2O
Be + H2CO3 = BeCO3 + H2 =>
Be + H2CO3 = BeCO3 + H2
HI(aq) + Na2S(aq) = H2S + NaI =>
2 HI(aq) + Na2S(aq) = H2S + 2 NaI
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Pb(OH)2 + H3PO4 = Pb3(PO4)2 + H2O =>
3 Pb(OH)2 + 2 H3PO4 = Pb3(PO4)2 + 6 H2O
KBr + HClO3 = KClO3 + HBr =>
KBr + HClO3 = KClO3 + HBr
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C6H6 + (HNO3) = C6H5NO2 + H2O =>
C6H6 + (HNO3) = C6H5NO2 + H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Fe2(SO4)3 + Sr(NO3)2 = Fe(NO3)3 + SrSO4 =>
Fe2(SO4)3 + 3 Sr(NO3)2 = 2 Fe(NO3)3 + 3 SrSO4
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
POCl3(l) + H2O(l) = H3PO4(l) + HCl =>
POCl3(l) + 3 H2O(l) = H3PO4(l) + 3 HCl
C22H48ClN + NH3 = C22H51ClN2 =>
C22H48ClN + NH3 = C22H51ClN2
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
K2C2O4 + H2C2O4 + K2Cr2O7 = CO2 + H2O + K3[Cr(C2O4)3]*3H2O =>
2 K2C2O4 + 7 H2C2O4 + K2Cr2O7 = 6 CO2 + H2O + 2 K3[Cr(C2O4)3]*3H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Pb(OH)2 + H3PO4 = Pb3(PO4)2 + H2O =>
3 Pb(OH)2 + 2 H3PO4 = Pb3(PO4)2 + 6 H2O
C4H9Cl + Na = NaCl + C8H18 =>
2 C4H9Cl + 2 Na = 2 NaCl + C8H18
Na2SiO3 + NH4Cl + H2O = NaHSiO3 + NaCl + NH4OH =>
Na2SiO3 + NH4Cl + H2O = NaHSiO3 + NaCl + NH4OH
Pb(OH)2 + H3PO4 = Pb3(PO4)2 + H2O =>
3 Pb(OH)2 + 2 H3PO4 = Pb3(PO4)2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KBr + HClO3 = KClO3 + HBr =>
KBr + HClO3 = KClO3 + HBr
NH2OH + KBr + H2SO4 = (NH4)2SO4 + Br2 + K2SO4 + H2O =>
2 NH2OH + 4 KBr + 3 H2SO4 = (NH4)2SO4 + 2 Br2 + 2 K2SO4 + 2 H2O
PbO + C = Pb + CO2 =>
2 PbO + C = 2 Pb + CO2
K + H2SO4 = K2SO4 + H2S + H2O =>
8 K + 5 H2SO4 = 4 K2SO4 + H2S + 4 H2O
Cs + LiF = CsF + Li =>
Cs + LiF = CsF + Li
Na2S2O3 + HCl = H2O + SO2(g) + S(g) + NaCl(s) =>
Na2S2O3 + 2 HCl = H2O + SO2(g) + S(g) + 2 NaCl(s)
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
KMnO4 + HBr = MnBr2 + KBr + Br2 + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 5 Br2 + 8 H2O
SF4 + H2O = SO2 + HF =>
SF4 + 2 H2O = SO2 + 4 HF
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
PbO2 = Pb4O + O2 =>
8 PbO2 = 2 Pb4O + 7 O2
C5H5 + O2 = CO2 + H2O =>
4 C5H5 + 25 O2 = 20 CO2 + 10 H2O
C7H12O2 + O2 = CO2 + H2 =>
C7H12O2 + 6 O2 = 7 CO2 + 6 H2
K2MnO4 + Na2SO3 + H2O = MnO2 + KOH + Na2SO4 =>
K2MnO4 + Na2SO3 + H2O = MnO2 + 2 KOH + Na2SO4
[Co(NH3)6]Cl2 + NH4Cl + O2 = [Co(NH3)6]Cl3 + NH3 + H2O =>
4[Co(NH3)6]Cl2 + 4 NH4Cl + O2 = 4[Co(NH3)6]Cl3 + 4 NH3 + 2 H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
C2H4(OH)2 + HNO3 = H2O + C2H4(ONO2)2 =>
C2H4(OH)2 + 2 HNO3 = 2 H2O + C2H4(ONO2)2
PbCO3(s) + HNO3(aq) = Pb(NO3)2(aq) + H2O(l) + CO2(g) =>
PbCO3(s) + 2 HNO3(aq) = Pb(NO3)2(aq) + H2O(l) + CO2(g)
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
C2H5OH + H2O = C2H3O2{-} + H{+} + e =>
C2H5OH + H2O = C2H3O2{-} + 5 H{+} + 4e
H2SO4 + Ba = BaSO4 + H2 =>
H2SO4 + Ba = BaSO4 + H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CH4 + Br2 = CBr4 + HBr =>
CH4 + 4 Br2 = CBr4 + 4 HBr
C3H5(NO3)3 = CO2 + N2 + O2 + H2O =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + O2 + 10 H2O
Ba(NO3)2 + K3PO4 = Ba3(PO4)2 + KNO3 =>
3 Ba(NO3)2 + 2 K3PO4 = Ba3(PO4)2 + 6 KNO3
Na2S + PbCl2 = Na2Cl2 + PbS =>
Na2S + PbCl2 = Na2Cl2 + PbS
Pb(OH)2 + H3PO4 = (PbOH)3(PO4) + H2O =>
3 Pb(OH)2 + H3PO4 = (PbOH)3(PO4) + 3 H2O
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