| Équations équilibrées la veille |
2 C2H5OH + Ca = (C2H5O)2Ca + H2
K2Cr2O7 + H2O2 + H2SO4 = HCrO4 + KSO4 + H2O =>
K2Cr2O7 + 2 H2O2 + 2 H2SO4 = 2 HCrO4 + 2 KSO4 + 3 H2O
CH3CO2Na + H2O = H3O + Na + COOCH2 =>
CH3CO2Na + H2O = H3O + Na + COOCH2
COH = CHO =>
COH = CHO
Al + HNO3 = Al(NO3)5 + NH4NO3 + H2O =>
8 Al + 50 HNO3 = 8 Al(NO3)5 + 5 NH4NO3 + 15 H2O
MnO4{-} + S{2-} + H2O = Mn2{+} + S + OH{-} =>
4 MnO4{-} + 13 S{2-} + 16 H2O = 2 Mn2{+} + 13 S + 32 OH{-}
Cr(OH)3 + NaNO3 = Cr(NO3)3 + NaOH =>
Cr(OH)3 + 3 NaNO3 = Cr(NO3)3 + 3 NaOH
PbCl2 + Fe2(SO4)3 = PbSO4 + FeCl3 =>
3 PbCl2 + Fe2(SO4)3 = 3 PbSO4 + 2 FeCl3
FeCl3(aq) + NiSO4(aq) = Fe2(SO4)3 + NiCl2 =>
2 FeCl3(aq) + 3 NiSO4(aq) = Fe2(SO4)3 + 3 NiCl2
Fe(CO3)2 + H2SO4 = Fe(SO4)2 + H2O + CO2 =>
Fe(CO3)2 + 2 H2SO4 = Fe(SO4)2 + 2 H2O + 2 CO2
Sb + H3PO4 = SbPO4 + H2 =>
2 Sb + 2 H3PO4 = 2 SbPO4 + 3 H2
C6H3N3O7 + NaOH = NaC6H2N3O7 + H2O =>
C6H3N3O7 + NaOH = NaC6H2N3O7 + H2O
C4H6O6 + KMnO4 + H2SO4 = MnSO4 + CO2 + H2O + K2SO4 =>
C4H6O6 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 4 CO2 + 6 H2O + K2SO4
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
Pb(NO3)2 + K2C2O4 = PbC2O4 + K2(NO3)2 =>
Pb(NO3)2 + K2C2O4 = PbC2O4 + K2(NO3)2
C4H12 + O2 = CO2 + H2O =>
C4H12 + 7 O2 = 4 CO2 + 6 H2O
F2F2F2F2F2F2F2F2F2F2F2 = F =>
F2F2F2F2F2F2F2F2F2F2F2 = 22 F
(SbCl3) + (H2S) = (Sb2S3) + HCl =>
2(SbCl3) + 3(H2S) = (Sb2S3) + 6 HCl
HCl + ZnCl = ZnCl2 + H2 =>
2 HCl + 2 ZnCl = 2 ZnCl2 + H2
HCl(ac) + Cu = CuCl + H2 =>
2 HCl(ac) + 2 Cu = 2 CuCl + H2
S8 + CaBr2 = CaS + Br2 =>
S8 + 8 CaBr2 = 8 CaS + 8 Br2
NH3 + FeNO3 = FeNH3 + NO3 =>
NH3 + FeNO3 = FeNH3 + NO3
Mg(Cl)2 + AgNO3 = Mg(NO3)2 + AgCl =>
Mg(Cl)2 + 2 AgNO3 = Mg(NO3)2 + 2 AgCl
Na2S + KMnO4 + H2O = S8 + MnO2 + NaOH + KOH =>
24 Na2S + 16 KMnO4 + 32 H2O = 3 S8 + 16 MnO2 + 48 NaOH + 16 KOH
CsCl(aq) + CaS(aq) = Cs2S + CaCl2 =>
2 CsCl(aq) + CaS(aq) = Cs2S + CaCl2
(NH4)(OH) + H3(PO4) = (NH4)3(PO4) + H(OH) =>
3(NH4)(OH) + H3(PO4) = (NH4)3(PO4) + 3 H(OH)
LiClO + HCl = LiCl + H2O + Cl2 =>
LiClO + 2 HCl = LiCl + H2O + Cl2
Al2(SO4)3 + Na2SiO3 + H2O = Al(OH)3 + H2SiO3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SiO3 + 6 H2O = 2 Al(OH)3 + 3 H2SiO3 + 3 Na2SO4
FeS + Br2 + KOH = Fe(OH)3 + KBr + K2SO4 + H2O =>
2 FeS + 9 Br2 + 22 KOH = 2 Fe(OH)3 + 18 KBr + 2 K2SO4 + 8 H2O
MnCl5 = Mn + Cl2 =>
2 MnCl5 = 2 Mn + 5 Cl2
CuO + C2H5NO2 = C4H8CuN2O4 + H2O =>
CuO + 2 C2H5NO2 = C4H8CuN2O4 + H2O
Mg(OH)2 + NO2 = Mg(NO3)2 + H2 =>
Mg(OH)2 + 2 NO2 = Mg(NO3)2 + H2
NaOH(aq) + HClO4 = NaClO4 + H2O =>
NaOH(aq) + HClO4 = NaClO4 + H2O
As(OH)5 = As2O5 + H2O =>
2 As(OH)5 = As2O5 + 5 H2O
C4H6O5 + NaOH = Na2C4H4O5 + H2O =>
C4H6O5 + 2 NaOH = Na2C4H4O5 + 2 H2O
C2H4O + O = C2H4O2 =>
C2H4O + O = C2H4O2
SiCl4 + H2O = H2 + SiO2 + Cl2 =>
SiCl4 + 2 H2O = 2 H2 + SiO2 + 2 Cl2
Ag(No3)2 + NaCl = AgCl + Na(No3)2 =>
Ag(No3)2 + NaCl = AgCl + Na(No3)2
CH3CH(OH)CH2CH3 + HCl = CH3CH2CHClCH3 + H2O =>
CH3CH(OH)CH2CH3 + HCl = CH3CH2CHClCH3 + H2O
Fe(OH)2 + CuO = Cu(OH)2 + FeO =>
Fe(OH)2 + CuO = Cu(OH)2 + FeO
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Ni + C + O = Ni(CO)4 =>
Ni + 4 C + 4 O = Ni(CO)4
(NH4)3PO4 + AlCl3 = NH4Cl + AlPO4 =>
(NH4)3PO4 + AlCl3 = 3 NH4Cl + AlPO4
HgO(a) = Hg(l) + O2(g) =>
2 HgO(a) = 2 Hg(l) + O2(g)
Ho + H2O = Ho(OH) + H2 =>
2 Ho + 2 H2O = 2 Ho(OH) + H2
C6H12O6 + Cr2O7 + H{+} = Cr{3+} + CO2 + H2O =>
C6H12O6 + 3 Cr2O7 + 18 H{+} = 6 Cr{3+} + 6 CO2 + 15 H2O
CH3CH22OH + O2 = H2O + CH3COOH =>
CH3CH22OH + 6 O2 = 11 H2O + CH3COOH
KAuO2 + Au = K[AuO] + AuO =>
KAuO2 + Au = K[AuO] + AuO
KMnO4 + KI + HNO3 = KNO3 + Mn(NO3)2 + I2 + H2O =>
2 KMnO4 + 10 KI + 16 HNO3 = 12 KNO3 + 2 Mn(NO3)2 + 5 I2 + 8 H2O
Ag3N + O2 = Ag2O + N2 =>
4 Ag3N + 3 O2 = 6 Ag2O + 2 N2
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Équations équilibrées sur10/30/24
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