| Équations équilibrées la veille |
200 Co + 95 Mn + 5 Cr + 100 Al = Co200Mn95Cr5Al100
K + H2SO4 + MnO2 = KHSO4 + MnSO4 + H2O =>
2 K + 3 H2SO4 + MnO2 = 2 KHSO4 + MnSO4 + 2 H2O
Cl2 + NaOH + H2O2 = NaOCl + H2O =>
Cl2 + 2 NaOH + H2O2 = 2 NaOCl + 2 H2O
Ni2(aq) + NO3(aq) + H(aq) = Ni3(aq)NO2(aq) + H2O(l) =>
3 Ni2(aq) + 2 NO3(aq) + 4 H(aq) = 2 Ni3(aq)NO2(aq) + 2 H2O(l)
NaBiO3 + MnSO4 + HNO3 = HMnO4 + Bi(NO3)3 + NaNO3 + Na2SO4 + H2O =>
5 NaBiO3 + 2 MnSO4 + 16 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + NaNO3 + 2 Na2SO4 + 7 H2O
NaOHCO2 + H3C6H5O7 = H2O + Na3C6O7 + CO2 =>
54 NaOHCO2 + 13 H3C6H5O7 = 79 H2O + 18 Na3C6O7 + 24 CO2
Fe{2+} + H{+} + NO3 = Fe{3+} + NO2 + H2O =>
2 Fe{2+} + 2 H{+} + NO3 = 2 Fe{3+} + NO2 + H2O
NaOCO2 = NaCO3 =>
NaOCO2 = NaCO3
C6H10 + KMnO4 + H2SO4 = C6H4(COOH)2 + MnSO4 + K2SO4 + H2O =>
20 C6H10 + 46 KMnO4 + 69 H2SO4 = 15 C6H4(COOH)2 + 46 MnSO4 + 23 K2SO4 + 124 H2O
KMnO4 + H2C2O4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O
Fe(OH)3 + H2(SO4) = Fe2(SO4)3 + H(OH) =>
2 Fe(OH)3 + 3 H2(SO4) = Fe2(SO4)3 + 6 H(OH)
POF2 + Cl2OP + OH = FO2P + HCl =>
POF2 + Cl2OP + 2 OH = 2 FO2P + 2 HCl
Zn(s)Cl2(g) = ZnCl2(s) =>
Zn(s)Cl2(g) = ZnCl2(s)
CO2NaO = NaO2CO =>
CO2NaO = NaO2CO
HNO2 = NO2 + NO + H2O =>
2 HNO2 = NO2 + NO + H2O
RbOH + Li = LiOH + Rb =>
RbOH + Li = LiOH + Rb
Pb + PbO2 + Na2SO4 = PbSO4 + Na2O =>
Pb + PbO2 + 2 Na2SO4 = 2 PbSO4 + 2 Na2O
Cr(NO3)3 + Na2O = Cr2O3 + NaNO3 =>
2 Cr(NO3)3 + 3 Na2O = Cr2O3 + 6 NaNO3
Ca + SmF3 = Sm + CaF2 =>
3 Ca + 2 SmF3 = 2 Sm + 3 CaF2
KI + Pb3(PO4)2 = K3PO4 + PbI2 =>
6 KI + Pb3(PO4)2 = 2 K3PO4 + 3 PbI2
CaH2 + H2O = Ca(OH)2(aw) + H2 =>
CaH2 + 2 H2O = Ca(OH)2(aw) + 2 H2
H + P4 + NO3 = H3PO4 + NO2 =>
12 H + P4 + 16 NO3 = 4 H3PO4 + 16 NO2
P5 + H2 = PH3 =>
2 P5 + 15 H2 = 10 PH3
CuO + SO3 = CuSO + O =>
CuO + SO3 = CuSO + 3 O
H2O + As2S3 + (NO3){-} = (HAsO4){-2} + S + (NO2){-} + H{+} =>
3 H2O + As2S3 + 5(NO3){-} = 2(HAsO4){-2} + 3 S + 5(NO2){-} + 4 H{+}
Ca(NO3)2 + Na2CO3 = Na2NO3 + Ca(CO3)2 =>
Ca(NO3)2 + 2 Na2CO3 = 2 Na2NO3 + Ca(CO3)2
HgSO4 + NaOH = Hg(OH)2 + Na2SO4 =>
HgSO4 + 2 NaOH = Hg(OH)2 + Na2SO4
C6H5NH3Cl + H2O = H3O + C6H5NH2Cl =>
C6H5NH3Cl + H2O = H3O + C6H5NH2Cl
CuO + SO3 = CuSO4 =>
CuO + SO3 = CuSO4
Mg*(OH)2 + HCl = MgCl2 + H2O =>
Mg*(OH)2 + 2 HCl = MgCl2 + 2 H2O
P4 + S8 = P2S3 =>
4 P4 + 3 S8 = 8 P2S3
Ba(NO3)2(aq)CaSO4(aq) = BaSO4(s)Ca(NO3)2(aq) =>
Ba(NO3)2(aq)CaSO4(aq) = BaSO4(s)Ca(NO3)2(aq)
Fe2O3 + KClO3 + NaOH = Na2(FeO4) + KCl + H2O =>
Fe2O3 + KClO3 + 4 NaOH = 2 Na2(FeO4) + KCl + 2 H2O
Ce + Ni = Ce7Ni3 =>
7 Ce + 3 Ni = Ce7Ni3
Pr2O3 + K2CO3 + Na2CO3 + Nb2O5 = PrKNaNbO5 + CO2 =>
Pr2O3 + K2CO3 + Na2CO3 + Nb2O5 = 2 PrKNaNbO5 + 2 CO2
NH4Br + Na2SO4 = (NH4)2SO4 + NaBr =>
2 NH4Br + Na2SO4 = (NH4)2SO4 + 2 NaBr
NO3H + Ba(HO)2 = Ba(NO3)2 + H2O =>
2 NO3H + Ba(HO)2 = Ba(NO3)2 + 2 H2O
Cr(NO3)3 + H2O2 = CrO + HNO3 + O2 =>
2 Cr(NO3)3 + 3 H2O2 = 2 CrO + 6 HNO3 + 2 O2
Al(NO3)3 + Fe = Al + Fe(NO3)2 =>
2 Al(NO3)3 + 3 Fe = 2 Al + 3 Fe(NO3)2
BaSO4 + NaCl + HCl = BaCl + SO4Cl + HNa =>
BaSO4 + NaCl + HCl = BaCl + SO4Cl + HNa
Mg + C3H8 = Mg(C3H8)2 =>
Mg + 2 C3H8 = Mg(C3H8)2
CH3Br + O2 = CO2 + H2O + Br =>
4 CH3Br + 7 O2 = 4 CO2 + 6 H2O + 4 Br
Y(No3)2 + GaPo4 = YPo4 + Ga(No3)2 =>
Y(No3)2 + GaPo4 = YPo4 + Ga(No3)2
KOH + Fe(OH)2 = K2[Fe(OH)4] =>
2 KOH + Fe(OH)2 = K2[Fe(OH)4]
Pb(NO2)2 + KI = PbI2 + KNO2 =>
Pb(NO2)2 + 2 KI = PbI2 + 2 KNO2
Ba(NO3)2 + Na2(CrO4) = Ba(CrO4) + Na2(NO3)2 =>
Ba(NO3)2 + Na2(CrO4) = Ba(CrO4) + Na2(NO3)2
O2(g) + CH4(g) = CO2(g) + H2O(l) =>
2 O2(g) + CH4(g) = CO2(g) + 2 H2O(l)
HBr + H2SO4 = H2O + Br2 + H2SO3 =>
2 HBr + H2SO4 = H2O + Br2 + H2SO3
Cs + At = CsAt =>
Cs + At = CsAt
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
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