| Équations équilibrées la veille |
CH4O = CO + 2 H2
PbBr2 + I2 = PbI2 + Br2 =>
PbBr2 + I2 = PbI2 + Br2
SCu + HNO3 = (NO3)2Cu + NO + H2O + S =>
3 SCu + 8 HNO3 = 3(NO3)2Cu + 2 NO + 4 H2O + 3 S
B2O3 + C + Cl = BCl3 + CO2 =>
2 B2O3 + 3 C + 12 Cl = 4 BCl3 + 3 CO2
C15H32 = C6H14 + C2H4 =>
2 C15H32 = 2 C6H14 + 9 C2H4
Ca(CO3)2 = CaO2 + CO2 =>
Ca(CO3)2 = CaO2 + 2 CO2
Li2SO3(aq) + V2(CO3)3(s) = Li2CO3(aq) + V2(SO3)3(s) =>
3 Li2SO3(aq) + V2(CO3)3(s) = 3 Li2CO3(aq) + V2(SO3)3(s)
Br2O + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2O + 6 NaOH = 4 NaBr + 2 NaBrO3 + 3 H2O
Mg4[Fe(CN)6]2 + HNO3 = Mg(NO3)2 + H4[Fe(CN)6] =>
Mg4[Fe(CN)6]2 + 8 HNO3 = 4 Mg(NO3)2 + 2 H4[Fe(CN)6]
CH3CH2OH + H2SO4 = (CH3CH2)2SO4 + H2O =>
2 CH3CH2OH + H2SO4 = (CH3CH2)2SO4 + 2 H2O
C2H6O + Cr2O7{-2} + H{+} = C2H4O + Cr{3+} + H2O =>
3 C2H6O + Cr2O7{-2} + 8 H{+} = 3 C2H4O + 2 Cr{3+} + 7 H2O
As2O3 + NO3 + H2O = H3AsO4 + N2O3 =>
3 As2O3 + 4 NO3 + 9 H2O = 6 H3AsO4 + 2 N2O3
Cr + Se = CrSe =>
Cr + Se = CrSe
Zn + Na3PO4 = ZnPO4 + Na =>
Zn + Na3PO4 = ZnPO4 + 3 Na
B + NaOH = Na3BO3 + H2 =>
2 B + 6 NaOH = 2 Na3BO3 + 3 H2
Hg + C = HgC =>
Hg + C = HgC
CH2CHCOOH + CaCl2 = (CH2CHCOO)2Ca + HCl =>
2 CH2CHCOOH + CaCl2 = (CH2CHCOO)2Ca + 2 HCl
Hg(NO3)2 + LiBr = HgBr2 + Li(NO3) =>
Hg(NO3)2 + 2 LiBr = HgBr2 + 2 Li(NO3)
K2CrO4 + NaCl + AgNO3 = KCl + Ag2CrO4 + NaNO3 =>
K2CrO4 + 2 NaCl + 2 AgNO3 = 2 KCl + Ag2CrO4 + 2 NaNO3
HNO2 + KMnO4 + H2SO5 = MnSO4 + HNO3 + K2SO4 + H2O =>
8 HNO2 + 2 KMnO4 + 3 H2SO5 = 2 MnSO4 + 8 HNO3 + K2SO4 + 3 H2O
Ag + Mg = AgMg =>
Ag + Mg = AgMg
Ca + (NH4)2CO3 = CaCO3 + NH4 =>
Ca + (NH4)2CO3 = CaCO3 + 2 NH4
La(NO3)3*6H2O + Al(NO3)3*9H2O + CH4N2O = LaAlO3 + CO2 + H2O + N2 =>
La(NO3)3*6H2O + Al(NO3)3*9H2O + 5 CH4N2O = LaAlO3 + 5 CO2 + 25 H2O + 8 N2
S2 + CO = SO2 + C =>
S2 + 4 CO = 2 SO2 + 4 C
NaI + Na2Cr2O7 + HCl = CrCl3 + I2 + NaCl + H2O =>
6 NaI + Na2Cr2O7 + 14 HCl = 2 CrCl3 + 3 I2 + 8 NaCl + 7 H2O
Nb2O5 + H2 = NbO2 + H2O =>
Nb2O5 + H2 = 2 NbO2 + H2O
C6H14(g) + O2 = CO2 + H2O =>
2 C6H14(g) + 19 O2 = 12 CO2 + 14 H2O
KMnO4 + FeCl3 + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O + Fe2(SO4)3 =>
6 KMnO4 + 10 FeCl3 + 24 H2SO4 = 15 Cl2 + 3 K2SO4 + 6 MnSO4 + 24 H2O + 5 Fe2(SO4)3
Al(OH)3 + (NH4)2S = NH4(OH) + Al2S3 =>
2 Al(OH)3 + 3(NH4)2S = 6 NH4(OH) + Al2S3
C2H5ONa + C4H9Br = C6H14O + NaBr =>
C2H5ONa + C4H9Br = C6H14O + NaBr
Pb(CH3COO)2 + (NH4)2SO4 = PbSO4 + NH4CH3COO =>
Pb(CH3COO)2 + (NH4)2SO4 = PbSO4 + 2 NH4CH3COO
Na2S + KMnO4 + NaOH = S + Na2MnO4 + KOH =>
Na2S + 2 KMnO4 + 2 NaOH = S + 2 Na2MnO4 + 2 KOH
KNO3 + I2 + H2SO4 = KIO3 + NO + K2SO4 + H2O =>
10 KNO3 + 3 I2 + 2 H2SO4 = 6 KIO3 + 10 NO + 2 K2SO4 + 2 H2O
MoO3 + KI + HCl = MoO2I + KCl + I2 + H2O =>
2 MoO3 + 4 KI + 4 HCl = 2 MoO2I + 4 KCl + I2 + 2 H2O
Li2O + HCl = LiOH + LiCl =>
Li2O + HCl = LiOH + LiCl
(C)7(H)16 + (O)2 = C(O)2 + (H)2(O) =>
(C)7(H)16 + 11(O)2 = 7 C(O)2 + 8(H)2(O)
AlCl3 + (NH4)2S + H2O = Al(OH)3 + H2S + NH4Cl =>
2 AlCl3 + 3(NH4)2S + 6 H2O = 2 Al(OH)3 + 3 H2S + 6 NH4Cl
Na4Si04 + Cu(NO2)2 = NaNO2 + Cu4(Si04)2 =>
2 Na4Si04 + 4 Cu(NO2)2 = 8 NaNO2 + Cu4(Si04)2
KMnO4 + FeCl3 + H2SO4 = Cl2 + K2SO4 + MnSO4 + H2O + Fe2(SO4)3 =>
6 KMnO4 + 10 FeCl3 + 24 H2SO4 = 15 Cl2 + 3 K2SO4 + 6 MnSO4 + 24 H2O + 5 Fe2(SO4)3
NaBr(aq) + Ca(NO3)2(aq) = NaNO3(aq) + CaBr2(s) =>
2 NaBr(aq) + Ca(NO3)2(aq) = 2 NaNO3(aq) + CaBr2(s)
KClO2 + H2SO4 = O2 + KHSO4 + Cl2 + H2O =>
4 KClO2 + 4 H2SO4 = 3 O2 + 4 KHSO4 + 2 Cl2 + 2 H2O
CH3OOH + Al(OH)3 = H2O + Al(CH3COO)3 =>
6 CH3OOH + Al(OH)3 = 9 H2O + Al(CH3COO)3
V + H2 = VH =>
2 V + H2 = 2 VH
KCl + BaCO3 = K2CO3 + BaCl2 =>
2 KCl + BaCO3 = K2CO3 + BaCl2
C18H19O9N + O2 = CO2 + H2O + NH3 =>
2 C18H19O9N + 35 O2 = 36 CO2 + 16 H2O + 2 NH3
KC2H3O2 + H2SO4 = K2SO4 + HC2H3O2 =>
2 KC2H3O2 + H2SO4 = K2SO4 + 2 HC2H3O2
C7H5NaO2 + H2O = C7H4NaO2 + H3O =>
C7H5NaO2 + H2O = C7H4NaO2 + H3O
HCOOH + CaCO3 = CaHCOOH + CO2 + H2O =>
2 HCOOH + CaCO3 = CaHCOOH + 2 CO2 + H2O
C6H5CH3 + KMnO4 + KOH = C6H5COOK + K2MnO4 + H2O =>
C6H5CH3 + 6 KMnO4 + 7 KOH = C6H5COOK + 6 K2MnO4 + 5 H2O
Ag + CrO4{-2} + H2O = Ag{+} + Cr(OH)3 + OH{-} =>
3 Ag + CrO4{-2} + 4 H2O = 3 Ag{+} + Cr(OH)3 + 5 OH{-}
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Équations équilibrées sur10/27/24
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