| Équations équilibrées la veille |
2 H3PO3 + 3 Ca(OH)2 = Ca3(PO3)2 + 6 H2O
HCH3COO + O2 = CO2 + H2O =>
HCH3COO + 2 O2 = 2 CO2 + 2 H2O
HCl + AlH3 = AlCl3 + H2 =>
3 HCl + AlH3 = AlCl3 + 3 H2
Na2SO3 + KMnO5 + KOH = K2MnO4 + Na2SO4 + H2O =>
3 Na2SO3 + 2 KMnO5 + 2 KOH = 2 K2MnO4 + 3 Na2SO4 + H2O
C + O2 = (CO)2 =>
2 C + O2 = (CO)2
FeCl3(aq) + AgNO3(aq) = Fe(NO3)3(aq) + AgCl(aq) =>
FeCl3(aq) + 3 AgNO3(aq) = Fe(NO3)3(aq) + 3 AgCl(aq)
Pb(OH)4 + Cu2O = PbO2 + Cu + OH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 Cu + 4 OH
K2Cr2O7 + KI + H2SO4 = I2 + K2SO4 + Cr2S3O12 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 3 I2 + 4 K2SO4 + Cr2S3O12 + 7 H2O
MnO4{-} + Fe2{+} + H{+} = Mn2{+} + Fe{+} + H2O =>
2 MnO4{-} + 13 Fe2{+} + 16 H{+} = Mn2{+} + 26 Fe{+} + 8 H2O
KI + MnO2 + H2SO4 = K2SO4 + MnSO4 + H2O + I2 =>
2 KI + MnO2 + 2 H2SO4 = K2SO4 + MnSO4 + 2 H2O + I2
Na202 + H2S04 = NaS04 + H202 =>
Na202 + 202 H2S04 = 202 NaS04 + 2 H202
H2 + C7H4O = C3H8 + H2O =>
25 H2 + 3 C7H4O = 7 C3H8 + 3 H2O
Ba(OH)2 + NaOH = Na2BaO2 + H2O =>
Ba(OH)2 + 2 NaOH = Na2BaO2 + 2 H2O
FeAgNO3 = FeNO3Ag =>
FeAgNO3 = FeNO3Ag
KMnO4 + NH3*H2O = N2 + MnO2 + KOH + H2O =>
2 KMnO4 + 2 NH3*H2O = N2 + 2 MnO2 + 2 KOH + 4 H2O
MnI2 + Al + CO = Mn2(CO)10 + AlI3 =>
6 MnI2 + 4 Al + 30 CO = 3 Mn2(CO)10 + 4 AlI3
Cr2O7{-2} + OH{+} + {-} = CrO8 + H =>
Cr2O7{-2} + 9 OH{+} + 7e = 2 CrO8 + 9 H
SODIUMCHLORIDE + POTASSIUMNITRATE = SODIUMNITRATE + POTASSIUMCHLORIDE =>
SODIUMCHLORIDE + POTASSIUMNITRATE = SODIUMNITRATE + POTASSIUMCHLORIDE
Fe3O4(s) + C = FeO + CO2 =>
2 Fe3O4(s) + C = 6 FeO + CO2
Zn + Pb2N2 = ZnN2 + Pb =>
Zn + Pb2N2 = ZnN2 + 2 Pb
SeO + H = Se + HO =>
SeO + H = Se + HO
CUO + H2S = CUS + H2O =>
CUO + H2S = CUS + H2O
Nh43 + HCl = Nh4Cl + H2 =>
8 Nh43 + 86 HCl = 86 Nh4Cl + 43 H2
(SO2) + (H2) = (H2S) + (H2O) =>
(SO2) + 3(H2) = (H2S) + 2(H2O)
Pb(OH)2(s) = PbO(s) + H2O(g) =>
Pb(OH)2(s) = PbO(s) + H2O(g)
Li + FeSO4{2-} = LiSO4{2-} + Fe =>
Li + FeSO4{2-} = LiSO4{2-} + Fe
NH3 + HF = NH3F + NH4 =>
2 NH3 + HF = NH3F + NH4
(NH4)2CO3 + AgNO3 = (NH4)2Ag + CO3NO3 =>
(NH4)2CO3 + AgNO3 = (NH4)2Ag + CO3NO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BaC2O4 + NaNO3 = BaNO3 + NaC2O4 =>
BaC2O4 + NaNO3 = BaNO3 + NaC2O4
Zn(OH)2 + H2O2 = Zn(OH)3 =>
2 Zn(OH)2 + H2O2 = 2 Zn(OH)3
K2SO4H2O = K2SO4 + H2O =>
K2SO4H2O = K2SO4 + H2O
Na2SO4(aq) + CaCl2(aq) = CaSO4 + NaCl =>
Na2SO4(aq) + CaCl2(aq) = CaSO4 + 2 NaCl
MnO2 + O2 + NaOH = Na2MnO4 + H2O =>
2 MnO2 + O2 + 4 NaOH = 2 Na2MnO4 + 2 H2O
HC4H6O2Cl + H2O = C4H6O2Cl + H3O =>
HC4H6O2Cl + H2O = C4H6O2Cl + H3O
Al + SnCl4 = AlCl3 + SnCl2 =>
2 Al + 3 SnCl4 = 2 AlCl3 + 3 SnCl2
KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + O3 =>
6 KMnO4 + 9 H2SO4 = 9 H2O + 3 K2SO4 + 6 MnSO4 + 5 O3
NaOH + CrO3H3 + Br2 = Na2CrO4 + NaBr + H2O =>
10 NaOH + 2 CrO3H3 + 3 Br2 = 2 Na2CrO4 + 6 NaBr + 8 H2O
HNO3 + Ag(NH3)2{+} + Cl{-} = AgCl + NH4NO3 =>
2 HNO3 + Ag(NH3)2{+} + Cl{-} = AgCl + 2 NH4NO3
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
Mn2O3 + Fe{2+} + H{+} = Mn{2+} + Fe{3+} + H2O =>
Mn2O3 + 2 Fe{2+} + 6 H{+} = 2 Mn{2+} + 2 Fe{3+} + 3 H2O
Cr(OH)3 + HNo3 = Cr(No3)3 + H2O =>
Cr(OH)3 + 3 HNo3 = Cr(No3)3 + 3 H2O
C6H3CH3 + K2CrO7 + H2SO4 = C6H3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H3CH3 + 2 K2CrO7 + 5 H2SO4 = 3 C6H3COOH + Cr2(SO4)3 + 2 K2SO4 + 8 H2O
Ag2O + HONH2HCl = AgCl + H2O + NH2OH =>
Ag2O + 2 HONH2HCl = 2 AgCl + H2O + 2 NH2OH
Na2CrO7 + S + H2O = SO2 + NaOH + Cr2O3 =>
4 Na2CrO7 + 9 S + 4 H2O = 9 SO2 + 8 NaOH + 2 Cr2O3
H2SO4 = H + SO4 =>
H2SO4 = 2 H + SO4
NaHCO3 + Ba(OH)2 = NaOH + Ba(HCO3)2 =>
2 NaHCO3 + Ba(OH)2 = 2 NaOH + Ba(HCO3)2
Se + K = SeK =>
Se + K = SeK
Ba(C2H3O2)2 + H2SO4 = BaSO4 + HC2H3O2 =>
Ba(C2H3O2)2 + H2SO4 = BaSO4 + 2 HC2H3O2
Bi2O3 + NaOH + Cl2 = NaBiO3 + NaCl + H2O =>
Bi2O3 + 6 NaOH + 2 Cl2 = 2 NaBiO3 + 4 NaCl + 3 H2O
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