| Équations équilibrées la veille |
31 O2 = 2 O31
P2O3 + HNO3 + H2O = H3PO4 + NO =>
3 P2O3 + 4 HNO3 + 7 H2O = 6 H3PO4 + 4 NO
NaCl + Pb(CH3COOH)2 = NaCH3COOH + PbCl2 =>
2 NaCl + Pb(CH3COOH)2 = 2 NaCH3COOH + PbCl2
CH4 + NaOH = CH3Na + H2O =>
CH4 + NaOH = CH3Na + H2O
KCIO3 + HBr = Br + H2O + KCI =>
KCIO3 + 6 HBr = 6 Br + 3 H2O + KCI
C2H2 + Na = C2Na + H2 =>
C2H2 + Na = C2Na + H2
PH3 + HNO3 = H3PO4 + H2O + NO =>
3 PH3 + 8 HNO3 = 3 H3PO4 + 4 H2O + 8 NO
Cu(OH)2 + HCO3 = Cu(CO3)2 + H2O =>
Cu(OH)2 + 2 HCO3 = Cu(CO3)2 + 2 H2O
Na3Po4 + H2SO4 = H3Po4 + Na2SO4 =>
2 Na3Po4 + 3 H2SO4 = 2 H3Po4 + 3 Na2SO4
Al2(SO4)3 + CaBr2 = AlBr3 + Ca(SO4) =>
Al2(SO4)3 + 3 CaBr2 = 2 AlBr3 + 3 Ca(SO4)
NaOH + CH4 = Na + CO + H2 =>
2 NaOH + 2 CH4 = 2 Na + 2 CO + 5 H2
Fe2(CO3)3 + Ba(NO3)2 = Fe(NO3)3 + BaCO3 =>
Fe2(CO3)3 + 3 Ba(NO3)2 = 2 Fe(NO3)3 + 3 BaCO3
Cu(NH3)4SO4 + KCN = KCu(CN)2 + NH3 + (CN)2 + K2SO4 =>
2 Cu(NH3)4SO4 + 6 KCN = 2 KCu(CN)2 + 8 NH3 + (CN)2 + 2 K2SO4
K2CO3 + Ca(OH)2 = KOH + CaCO3 =>
K2CO3 + Ca(OH)2 = 2 KOH + CaCO3
Li3N + H2O = Li3O + H2N =>
Li3N + H2O = Li3O + H2N
NH3(g) + H2O2(g) + CH4(g) = HCN(aq) + H2O(l) =>
NH3(g) + 3 H2O2(g) + CH4(g) = HCN(aq) + 6 H2O(l)
NaOH + CaCO3 = NaCO3 + OHCa =>
NaOH + CaCO3 = NaCO3 + OHCa
CN{-} + MnO4{-} + H{+} = Mn{+2} + (CN)2 + H2O =>
10 CN{-} + 2 MnO4{-} + 16 H{+} = 2 Mn{+2} + 5(CN)2 + 8 H2O
KOH + HBrO4 = KBrO4 + water =>
KOH + HBrO4 = KBrO4 + H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
CH4 + NaOH = NaCH3 + H2O =>
CH4 + NaOH = NaCH3 + H2O
SO2 + NO2 + H2O = NO + H2SO4 =>
SO2 + NO2 + H2O = NO + H2SO4
NaCl + Pb(CH3COOH)2 = NaCH3COOH + PbCl2 =>
2 NaCl + Pb(CH3COOH)2 = 2 NaCH3COOH + PbCl2
I2{-} + HSO3{-} + H2O = SO4{2-} + I{-} + H{+} =>
2 I2{-} + HSO3{-} + H2O = SO4{2-} + 4 I{-} + 3 H{+}
CH3COO + NaHCO3 = NaC2H3O2 + H2O + CO2 =>
8 CH3COO + 7 NaHCO3 = 7 NaC2H3O2 + 5 H2O + 9 CO2
Li + NaOH = LiOH + Na =>
Li + NaOH = LiOH + Na
NaOH + CH4 = Na + CO2 + H2 =>
2 NaOH + CH4 = 2 Na + CO2 + 3 H2
V{5+} + C{2+} = V{4+} + C{5+} =>
3 V{5+} + C{2+} = 3 V{4+} + C{5+}
Cr + MgI2 = CrI + Mg =>
2 Cr + MgI2 = 2 CrI + Mg
CH4 + NaOH = C(OH)4 + NaH =>
CH4 + 4 NaOH = C(OH)4 + 4 NaH
H2S + O2 = (t)S + H2O =>
2 H2S + O2 = 2(t)S + 2 H2O
ZnS + NH4OH = [Zn(NH3)4]S + H2O =>
ZnS + 4 NH4OH = [Zn(NH3)4]S + 4 H2O
NaOH + CH4 = NaH + CH3OH =>
NaOH + CH4 = NaH + CH3OH
Na4XeO6 + Na3[Cr(OH)6] = Xe + Na2CrO4 + NaOH + H2O =>
3 Na4XeO6 + 8 Na3[Cr(OH)6] = 3 Xe + 8 Na2CrO4 + 20 NaOH + 14 H2O
Na2Br + KCl = NaCl + K2Br =>
Na2Br + 2 KCl = 2 NaCl + K2Br
Fe + FeSO4 = Fe(FeSO4) =>
Fe + FeSO4 = Fe(FeSO4)
C6H12O6 + CH4N2O = C12H13NO2 + CO2 + H2O =>
9 C6H12O6 + 2 CH4N2O = 4 C12H13NO2 + 8 CO2 + 32 H2O
CaSO4 = CaS + O2 =>
CaSO4 = CaS + 2 O2
C6H12O6 + CH4N2O = C5H9NO4 + H2O =>
3 C6H12O6 + 2 CH4N2O = 4 C5H9NO4 + 4 H2O
CH4N2O + C6H12O6 = C7H16N2O7 =>
CH4N2O + C6H12O6 = C7H16N2O7
C6H12O6 + CH4N2O = C53H93O13N7 + CO2 + H2O =>
43 C6H12O6 + 14 CH4N2O = 4 C53H93O13N7 + 60 CO2 + 100 H2O
C6H12O6 + CH4N2O = C12H13NO2 + H2O + NO3 =>
51 C6H12O6 + 30 CH4N2O = 28 C12H13NO2 + 184 H2O + 32 NO3
CaCl2 + C6H8O7 = Ca3(C6H5O7)2 + HCl =>
3 CaCl2 + 2 C6H8O7 = Ca3(C6H5O7)2 + 6 HCl
Br2 + Cl{-} + OH{-} = ClO3{-} + H2O + Br{-} =>
3 Br2 + Cl{-} + 6 OH{-} = ClO3{-} + 3 H2O + 6 Br{-}
NH3 = N + H2 =>
2 NH3 = 2 N + 3 H2
CH4N2O + C6H12O6 = C12H13NO2 + H2O + O2 =>
6 CH4N2O + 23 C6H12O6 = 12 C12H13NO2 + 72 H2O + 24 O2
AuF = Au + F =>
AuF = Au + F
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
PbS + O3 = PbSO4 + O2 =>
PbS + 4 O3 = PbSO4 + 4 O2
CsCl(s) = Cs + Cl =>
CsCl(s) = Cs + Cl
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