| Équations équilibrées la veille |
8 HBr + MnO4 = 4 H2O + MnBr2 + 3 Br2
CH4 + HO2 = CO + H2O =>
CH4 + 2 HO2 = CO + 3 H2O
K3[Cr(OH)6] + HCl = Cr(OH)3 + KCl + H2O =>
K3[Cr(OH)6] + 3 HCl = Cr(OH)3 + 3 KCl + 3 H2O
L2 + HNO3 = HLO3 + NO2 + H2O =>
L2 + 10 HNO3 = 2 HLO3 + 10 NO2 + 4 H2O
(CH3)4OH + O2 = CO2 + H2O =>
4(CH3)4OH + 27 O2 = 16 CO2 + 26 H2O
CH2O3 + C4H6O3 = C3H4O4 + C2H4O2 =>
CH2O3 + C4H6O3 = C3H4O4 + C2H4O2
Na2S2O3 + HNO3 = NaNO3 + H2O + SO2 + S =>
Na2S2O3 + 2 HNO3 = 2 NaNO3 + H2O + SO2 + S
CaSO4 = CaO + SO3 =>
CaSO4 = CaO + SO3
SO2 + Sn{2+} + Cl{-} + H{+} = SnS2 + [SnCl6]{2-} + H2O =>
2 SO2 + 6 Sn{2+} + 30 Cl{-} + 8 H{+} = SnS2 + 5[SnCl6]{2-} + 4 H2O
AgNO3(aq) + K2Cr2O7(aq) = KNO3(aq) + Ag2Cr2O7(s) =>
2 AgNO3(aq) + K2Cr2O7(aq) = 2 KNO3(aq) + Ag2Cr2O7(s)
Fe(OH)3 + KI + H2SO4 = Fe(OH)2 + I2 + K2SO4 + H2O =>
2 Fe(OH)3 + 2 KI + H2SO4 = 2 Fe(OH)2 + I2 + K2SO4 + 2 H2O
C3H6Cl + NaOH = C3H6OH + NaCl =>
C3H6Cl + NaOH = C3H6OH + NaCl
Ca(OH)2 + FeCl2 = Fe(OH)2 + CaCl2 =>
Ca(OH)2 + FeCl2 = Fe(OH)2 + CaCl2
K[Ag(CN)2] + NH3 = K[Ag(CN)2(NH3)2] =>
K[Ag(CN)2] + 2 NH3 = K[Ag(CN)2(NH3)2]
Mn(s) + Zn{2+}(aq) = Zn(s) + Mn{4+}(aq) =>
Mn(s) + 2 Zn{2+}(aq) = 2 Zn(s) + Mn{4+}(aq)
NH3 + O2 = NO + H2O = =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
MoO3 + SO2 = MoS2 + O2 =>
2 MoO3 + 4 SO2 = 2 MoS2 + 7 O2
NaI + ICl3 = I2 + NaCl =>
3 NaI + ICl3 = 2 I2 + 3 NaCl
MnCl2 + (NH4)2S = (NH4)Cl + MnS =>
MnCl2 + (NH4)2S = 2(NH4)Cl + MnS
PB(s) + PBO2(s) + H2SO4(aq) = PBSO4(s) + H2O(l) =>
PB(s) + PBO2(s) + 2 H2SO4(aq) = 2 PBSO4(s) + 2 H2O(l)
NH4(NO2) + Ba(OH)2 = NH4(OH) + Ba(NO2)2 =>
2 NH4(NO2) + Ba(OH)2 = 2 NH4(OH) + Ba(NO2)2
HNO3 + K = KNO3 + N2 + H2O =>
12 HNO3 + 10 K = 10 KNO3 + N2 + 6 H2O
Ti + B = TiB2 =>
Ti + 2 B = TiB2
CH2OO = CH2O2 =>
CH2OO = CH2O2
Fe(s) + O2(g) + H2O(l) = Fe(OH)2(at) =>
2 Fe(s) + O2(g) + 2 H2O(l) = 2 Fe(OH)2(at)
CH3COOH + Na2CO3 = C2H3NaO2 + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 C2H3NaO2 + H2O + CO2
HNO3 + Fe = Fe(NO3)3 + NH3 + H2O =>
27 HNO3 + 8 Fe = 8 Fe(NO3)3 + 3 NH3 + 9 H2O
KMnO4 + H2SO4 + NaHSO3 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
4 KMnO4 + H2SO4 + 10 NaHSO3 = 4 MnSO4 + 5 Na2SO4 + 2 K2SO4 + 6 H2O
ZnS + N2 = Zn3N2 + S =>
3 ZnS + N2 = Zn3N2 + 3 S
Cl2 + Fe = FeCl3 =>
3 Cl2 + 2 Fe = 2 FeCl3
KClO3(aq) + Br2(l) + H2O(l) = KCl(aq) + HBrO3(aq) =>
5 KClO3(aq) + 3 Br2(l) + 3 H2O(l) = 5 KCl(aq) + 6 HBrO3(aq)
Cr2(SO4)3 + K2FeO4 + H2SO4 = K2Cr2O7 + K2SO4 + Fe2(SO4)3 + H2O =>
Cr2(SO4)3 + 2 K2FeO4 + H2SO4 = K2Cr2O7 + K2SO4 + Fe2(SO4)3 + H2O
Hg2SO4 + BaCl2 = Hg2Ba + SO4Cl2 =>
Hg2SO4 + BaCl2 = Hg2Ba + SO4Cl2
Ca(No3)2 + NH4OH = CaOH + NH4(No3)2 =>
Ca(No3)2 + NH4OH = CaOH + NH4(No3)2
Ca + Br = Ca7Br2 =>
7 Ca + 2 Br = Ca7Br2
Ra2 + C = Ra2C =>
Ra2 + C = Ra2C
Mg3N3 = Mg2 + N3 =>
2 Mg3N3 = 3 Mg2 + 2 N3
NH4CH3COO + O2 = N2 + CO2 + H2O =>
4 NH4CH3COO + 11 O2 = 2 N2 + 8 CO2 + 14 H2O
Fe(CO3) + H2SO4 = FeSO4 + H2O + CO2 =>
Fe(CO3) + H2SO4 = FeSO4 + H2O + CO2
CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + H2O =>
2 CH3CH2COOH + Mg(OH)2 = (CH3CH2COO)2Mg + 2 H2O
Na + H2O2 = Na2O + H2O =>
2 Na + H2O2 = Na2O + H2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
MgHPO4 + CH3COOH = Mg(CH3COO)2 + Mg(H2PO4)2 =>
2 MgHPO4 + 2 CH3COOH = Mg(CH3COO)2 + Mg(H2PO4)2
KNO3 + HCl = KNO2 + Cl2O + H2 =>
KNO3 + 2 HCl = KNO2 + Cl2O + H2
KMnO4 + K2SO3 + KOH = K2MnO4 + K2SO4 + H2O =>
2 KMnO4 + K2SO3 + 2 KOH = 2 K2MnO4 + K2SO4 + H2O
Al2(C2O4)3(aq) + K2C2O4(aq) + H2O = K3Al(C2O4)3*3H2O(s) =>
Al2(C2O4)3(aq) + 3 K2C2O4(aq) + 6 H2O = 2 K3Al(C2O4)3*3H2O(s)
SC(NH2)2 + ZnCl2 + H2O = ZnS + NH3 + CO2 + HCl =>
SC(NH2)2 + ZnCl2 + 2 H2O = ZnS + 2 NH3 + CO2 + 2 HCl
Li + C2H4Cl2 = C2H4ClLiCl =>
Li + C2H4Cl2 = C2H4ClLiCl
Al(I3) + HgCl2 = AlCl3 + Hg(I2) =>
2 Al(I3) + 3 HgCl2 = 2 AlCl3 + 3 Hg(I2)
SiC + KOH + O2 = K2SiO3 + K2CO3 + H2O =>
SiC + 4 KOH + 2 O2 = K2SiO3 + K2CO3 + 2 H2O
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