| Équations équilibrées la veille |
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
Fe2O(s) + CO(g) = Fe(l) + CO2(g) =>
Fe2O(s) + CO(g) = 2 Fe(l) + CO2(g)
Fe(NO3)3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + KNO3 =>
Fe(NO3)3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + 3 KNO3
C2H2SO3H(l) + O2(g) = CO2(g) + H2O(l) + SO2(g) =>
4 C2H2SO3H(l) + 9 O2(g) = 8 CO2(g) + 6 H2O(l) + 4 SO2(g)
Cr2(SO4)3(aq) + Ca(NO3)2(aq) = CaSO4(s) + Cr(NO3)3(aq) =>
Cr2(SO4)3(aq) + 3 Ca(NO3)2(aq) = 3 CaSO4(s) + 2 Cr(NO3)3(aq)
FeS + O2 + NaOH = FeOOH + Na2SO4 + H2O =>
4 FeS + 9 O2 + 8 NaOH = 4 FeOOH + 4 Na2SO4 + 2 H2O
Ba(ClO4)2 + RbOH = Ba(OH)2 + Rb(ClO4) =>
Ba(ClO4)2 + 2 RbOH = Ba(OH)2 + 2 Rb(ClO4)
Fe2O3 + NaOH = NaO + H2O + Fe =>
Fe2O3 + 6 NaOH = 6 NaO + 3 H2O + 2 Fe
Pb(NO3)2 + K3CrO4 = KNO3 + Pb3(CrO4)2 =>
3 Pb(NO3)2 + 2 K3CrO4 = 6 KNO3 + Pb3(CrO4)2
H{+} + CN{-} + MnO4{-} = CNO{-} + MnO2 + H2O =>
2 H{+} + 3 CN{-} + 2 MnO4{-} = 3 CNO{-} + 2 MnO2 + H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
H2SO4 + FeSO4 + HIO = Fe2(SO4)3 + FeI3 + H2O =>
3 H2SO4 + 12 FeSO4 + 6 HIO = 5 Fe2(SO4)3 + 2 FeI3 + 6 H2O
HNO3(aq) + Cu(s) = Cu(NO3)2 + H2 =>
2 HNO3(aq) + Cu(s) = Cu(NO3)2 + H2
C2H4 + H2SO4 = C2H6SO4 =>
C2H4 + H2SO4 = C2H6SO4
Al2O3 + NaCl + H2O = NaOH + NaAlCl4 =>
Al2O3 + 8 NaCl + 3 H2O = 6 NaOH + 2 NaAlCl4
HClO3 + Mn = MnClO3 + H2 =>
2 HClO3 + 2 Mn = 2 MnClO3 + H2
Mn + HClO3 = Mn(ClO3)3 + H2 =>
2 Mn + 6 HClO3 = 2 Mn(ClO3)3 + 3 H2
CaCl2 + KNO3 = Ca(NO3)2 + KCl =>
CaCl2 + 2 KNO3 = Ca(NO3)2 + 2 KCl
C6H5CO2CH3 + HNO3 = C8H7NO4 + H2O =>
C6H5CO2CH3 + HNO3 = C8H7NO4 + H2O
SnCl2 + PtCl4 + HCl = H2[SnCl6] + Pt =>
2 SnCl2 + PtCl4 + 4 HCl = 2 H2[SnCl6] + Pt
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaOH(aq) + CuSO4(aq) = Cu(OH)2 + Na2SO4 =>
2 NaOH(aq) + CuSO4(aq) = Cu(OH)2 + Na2SO4
H2SO4 + K4Fe(CN)6 = HCN + Fe(CN)2 + K2O + SO3 =>
2 H2SO4 + K4Fe(CN)6 = 4 HCN + Fe(CN)2 + 2 K2O + 2 SO3
C3H6O + KI3 + NaOH = CHI3 + NaI + KI + H2O =>
C3H6O + 5 KI3 + NaOH = 3 CHI3 + NaI + 5 KI + 2 H2O
Sn(NO3)2(aq) + Cr(s) = Cr(NO3)3(aq) + Sn(s) =>
3 Sn(NO3)2(aq) + 2 Cr(s) = 2 Cr(NO3)3(aq) + 3 Sn(s)
CH3NH2 + H2O = CH3NH + H3O =>
CH3NH2 + H2O = CH3NH + H3O
C2H5NHCH3 + O2 = CO2 + N2 + H2O =>
4 C2H5NHCH3 + 21 O2 = 12 CO2 + 2 N2 + 18 H2O
HC2H3O2 + Na2CO3 = CO2 + H2O + NaC2H3O2 =>
2 HC2H3O2 + Na2CO3 = CO2 + H2O + 2 NaC2H3O2
(NH2)2CO + H3BO3 = B2(NH)3 + CO2 + H2O =>
3(NH2)2CO + 4 H3BO3 = 2 B2(NH)3 + 3 CO2 + 9 H2O
C2H4(COOH)2 + O2 = CO2 + H2O =>
2 C2H4(COOH)2 + 7 O2 = 8 CO2 + 6 H2O
Be(OH)2 + NH4Cl = BeCl2 + H2O + NH3 =>
Be(OH)2 + 2 NH4Cl = BeCl2 + 2 H2O + 2 NH3
PbCO3 + HC2H3O2 = Pb(C2H3O2)2 + H2O + CO2 =>
PbCO3 + 2 HC2H3O2 = Pb(C2H3O2)2 + H2O + CO2
F2 + Br2 + H2O = HBrO4 + HF =>
7 F2 + Br2 + 8 H2O = 2 HBrO4 + 14 HF
Al4C3 + HOH = Al(OH)3 + H4C =>
Al4C3 + 12 HOH = 4 Al(OH)3 + 3 H4C
TiCl4 + CH3CN + H2 = TiCN + CH4 + HCl =>
2 TiCl4 + 2 CH3CN + 5 H2 = 2 TiCN + 2 CH4 + 8 HCl
CaCl2 + CoSO4 = CaSO4 + CoCl2 =>
CaCl2 + CoSO4 = CaSO4 + CoCl2
C114H221 + O2 = CO2 + H2O =>
4 C114H221 + 677 O2 = 456 CO2 + 442 H2O
silversulfate + magnesiumchloride = silverchloride + magnesiumsulfate =>
Ag2SO4 + MgCl2 = 2 AgCl + MgSO4
CaO + Li2Se = CaSe + Li2O =>
CaO + Li2Se = CaSe + Li2O
NH3(g) + Na(s) = NaNH2(s) + H2(g) =>
2 NH3(g) + 2 Na(s) = 2 NaNH2(s) + H2(g)
Pb(NO3)2 + (NH4)2CO3 = PbCO3 + NH4NO3 =>
Pb(NO3)2 + (NH4)2CO3 = PbCO3 + 2 NH4NO3
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2(OH)2 =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + H2(OH)2
C7H6O3 + FeCl3 = HCl + C21H15FeO9 =>
3 C7H6O3 + FeCl3 = 3 HCl + C21H15FeO9
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Pb(C2H3O2)2 + NaBr = PbBr2 + NaC2H3O2 =>
Pb(C2H3O2)2 + 2 NaBr = PbBr2 + 2 NaC2H3O2
Mo + N2 = MoN =>
2 Mo + N2 = 2 MoN
Al + H2CO3 = Al2(CO3)3 + H2 =>
2 Al + 3 H2CO3 = Al2(CO3)3 + 3 H2
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
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