| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
H{+} + ClO2{-} + I{-} = Cl{-} + H2O + I2{+} =>
12 H{+} + 3 ClO2{-} + 8 I{-} = 3 Cl{-} + 6 H2O + 4 I2{+}
KHC4H4O6 + NaOH = Na + KC4H4O6 + H2O =>
KHC4H4O6 + NaOH = Na + KC4H4O6 + H2O
CH3CH2CH2COH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH2CH2COOH + H2O =>
5 CH3CH2CH2COH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3CH2CH2COOH + 4 H2O
zincsulfide + oxygen = zincoxide + SO3 =>
ZnS + 2 O2 = ZnO + SO3
KI + MnO2 + HCl = MnCl2 + I2 + KCl + H2O =>
2 KI + MnO2 + 4 HCl = MnCl2 + I2 + 2 KCl + 2 H2O
Ba + (OH) = Ba(OH)2 =>
Ba + 2(OH) = Ba(OH)2
CH3CHO + Br2 + H2O = CH3COOH + HBr =>
CH3CHO + Br2 + H2O = CH3COOH + 2 HBr
H2C2O4 + NaCl = Na2C2O4 + H2 + Cl =>
H2C2O4 + 2 NaCl = Na2C2O4 + H2 + 2 Cl
KHCO3 + HClO4 = KClO4 + CO2 + H2O =>
KHCO3 + HClO4 = KClO4 + CO2 + H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Mg(OH)2 + HBrO = Mg[BrO]2 + H2O =>
Mg(OH)2 + 2 HBrO = Mg[BrO]2 + 2 H2O
Sr(OH)2 + KHP = Sr(KP)2 + H2O =>
Sr(OH)2 + 2 KHP = Sr(KP)2 + 2 H2O
K2Cr2O7 + NaOH + H2SO4 = Na2CrO4 + K2SO4 + H2O =>
K2Cr2O7 + 4 NaOH + H2SO4 = 2 Na2CrO4 + K2SO4 + 3 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Al(OH)3 + LiBr = AlBr3 + LiOH =>
Al(OH)3 + 3 LiBr = AlBr3 + 3 LiOH
Fe0Cr2O3 + Al = Al2O3 + Cr + Fe =>
Fe0Cr2O3 + 2 Al = Al2O3 + 2 Cr + Fe
C4H6O6 + NaOH = C4H4O6 + H2O + Na =>
C4H6O6 + 2 NaOH = C4H4O6 + 2 H2O + 2 Na
C6H4FNH2HCl + NaNO2 + HCl = C6H4FN2Cl + NaCl + H2O =>
C6H4FNH2HCl + NaNO2 + HCl = C6H4FN2Cl + NaCl + 2 H2O
HCl + NaCl = HClNaCl =>
HCl + NaCl = HClNaCl
Sn(CO3)2 + HCl = CO2 + H2O + SnCl4 =>
Sn(CO3)2 + 4 HCl = 2 CO2 + 2 H2O + SnCl4
Ca3(PO4)2 + SiO2 = P4 + O2 + CaSi4O3 =>
2 Ca3(PO4)2 + 24 SiO2 = P4 + 23 O2 + 6 CaSi4O3
K2CrO2 + AgNO3 = Ag2CrO2 + KNO3 =>
K2CrO2 + 2 AgNO3 = Ag2CrO2 + 2 KNO3
CH3CH2CH2OH + KMnO4 + H2SO4 = H2O + CH3CH2CHO + K2SO4 + MnSO4 =>
5 CH3CH2CH2OH + 2 KMnO4 + 3 H2SO4 = 8 H2O + 5 CH3CH2CHO + K2SO4 + 2 MnSO4
Co2 + H2O = H2Co3 + OH =>
3 Co2 + 4 H2O = 2 H2Co3 + 4 OH
K2O + Co2 = K2Co3 + O2 =>
2 K2O + 3 Co2 = 2 K2Co3 + O2
Cu(NO3)2(aq) + NaOH(aq) = Cu(OH)2(s) + NaNO3(aq) =>
Cu(NO3)2(aq) + 2 NaOH(aq) = Cu(OH)2(s) + 2 NaNO3(aq)
PCl3 + HCl = Cl2 + PH3 =>
PCl3 + 3 HCl = 3 Cl2 + PH3
C6H5COOH + CH3CH2OH = C6H5COOC2H5 + H2O =>
C6H5COOH + CH3CH2OH = C6H5COOC2H5 + H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
CH3CHOHCH2 + O2 = CO2 + H2O =>
4 CH3CHOHCH2 + 17 O2 = 12 CO2 + 14 H2O
K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 3 CH3CH2OH + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
CoCl = Co + Cl3 =>
3 CoCl = 3 Co + Cl3
Cr(OH)3 + KClO3 + KOH = K2CrO4 + Cl + H2O =>
5 Cr(OH)3 + 3 KClO3 + 7 KOH = 5 K2CrO4 + 3 Cl + 11 H2O
Al(s) + CuO(s) = Al2O3(s) + Cu(s) =>
2 Al(s) + 3 CuO(s) = Al2O3(s) + 3 Cu(s)
V2O5 + HCl = VOCl3 + HOH =>
V2O5 + 6 HCl = 2 VOCl3 + 3 HOH
FeCl2 + CuCl = FeCl3 + Cu =>
FeCl2 + CuCl = FeCl3 + Cu
NH4HCO3 + CaSO4 = (NH4)HSO4 + CaCO3 =>
NH4HCO3 + CaSO4 = (NH4)HSO4 + CaCO3
PB(NO3)2(ag) + K2CO3(ag) = PBCO3(s) + KNO3(s) =>
PB(NO3)2(ag) + K2CO3(ag) = PBCO3(s) + 2 KNO3(s)
Fe2(OH) + H(SiO3) = Fe2(SiO3) + H2O =>
Fe2(OH) + H(SiO3) = Fe2(SiO3) + H2O
BF3 + H2O = H[BF4] + B(OH)3 =>
4 BF3 + 3 H2O = 3 H[BF4] + B(OH)3
H{+} + H2SO4 + Cu = SO2 + Cu{2+} + H2O =>
2 H{+} + H2SO4 + Cu = SO2 + Cu{2+} + 2 H2O
NaHCO3 + CaCl2*2H2O = NaHCl2 + CaCO3 + H2O =>
NaHCO3 + CaCl2*2H2O = NaHCl2 + CaCO3 + 2 H2O
AlCl3 + H2O2 = Al(OH)3 + HClO =>
AlCl3 + 3 H2O2 = Al(OH)3 + 3 HClO
ZnCl2 + Al2(SO4)3 = AlCl3 + ZnSO4 =>
3 ZnCl2 + Al2(SO4)3 = 2 AlCl3 + 3 ZnSO4
C2H6SO = C2 + H6SO =>
C2H6SO = C2 + H6SO
H3PO3 + Zn = Zn2HPO3 + H2 =>
H3PO3 + 2 Zn = Zn2HPO3 + H2
CuSO4(aq) + Mg = MgSO4(aq) + Cu =>
CuSO4(aq) + Mg = MgSO4(aq) + Cu
K2Cr2O7 + NaI + H2O = Cr(OH)3 + KOH + NaOH + I2 =>
K2Cr2O7 + 6 NaI + 7 H2O = 2 Cr(OH)3 + 2 KOH + 6 NaOH + 3 I2
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Équations équilibrées sur05/21/24
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