| Équations équilibrées la veille | Équations équilibrées le lendemain |
Hg2Cl2 + 2e = Hg2 + 2 Cl({-})
Ti + H2O2 = TiO2 + H2O =>
Ti + 2 H2O2 = TiO2 + 2 H2O
Al + HNO3(dilute) = Al(NO3)3 + H2O + NO =>
Al + 4 HNO3(dilute) = Al(NO3)3 + 2 H2O + NO
K2SO3 + H2SiO3 = H2SO3 + K2SiO3 =>
K2SO3 + H2SiO3 = H2SO3 + K2SiO3
NaH2PO4 + H2O = H3PO4 + Na2O =>
2 NaH2PO4 + H2O = 2 H3PO4 + Na2O
Al32 + O3 = Al2O3 =>
Al32 + 16 O3 = 16 Al2O3
Mg(s) + Ag(NO3)(aq) = Mg(NO3)(aq) + Ag(s) =>
Mg(s) + Ag(NO3)(aq) = Mg(NO3)(aq) + Ag(s)
K3[Cr(OH)6] + KMnO4 + KOH = K2CrO4 + K2MnO4 + H2O =>
K3[Cr(OH)6] + 3 KMnO4 + 2 KOH = K2CrO4 + 3 K2MnO4 + 4 H2O
CoCl3*6NH3 + AgNO3 = AgCl + CoCl2NO3 + NH3 =>
CoCl3*6NH3 + AgNO3 = AgCl + CoCl2NO3 + 6 NH3
FeCO3 + HNO3 = Fe(NO3)3 + NO2 + CO2 + H2O =>
FeCO3 + 4 HNO3 = Fe(NO3)3 + NO2 + CO2 + 2 H2O
C6H5CH2CH3 + KMnO4 + H2SO4 = C6H5CH2COOH + K2SO4 + MnSO4 + H2O =>
5 C6H5CH2CH3 + 6 KMnO4 + 9 H2SO4 = 5 C6H5CH2COOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Ca(HCO3)2 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
Ca(HCO3)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O + 2 CO2
K2Cr2O7 + HCl + FeS = KCl + CrCl3 + FeO + S + H2 =>
K2Cr2O7 + 8 HCl + 7 FeS = 2 KCl + 2 CrCl3 + 7 FeO + 7 S + 4 H2
Ba3(PO4)2 + HCl = BaCl2 + H3PO4 =>
Ba3(PO4)2 + 6 HCl = 3 BaCl2 + 2 H3PO4
CoCl2{2-} + AgNO3 = CoNO3 + AgCl2{2-} =>
CoCl2{2-} + AgNO3 = CoNO3 + AgCl2{2-}
KClO3 + HCl + I2 = ICl3 + KI + H2O =>
3 KClO3 + 18 HCl + 5 I2 = 7 ICl3 + 3 KI + 9 H2O
AlPO4HNO3 = AlNO3HPO4 =>
AlPO4HNO3 = AlNO3HPO4
KAl(SO4)2 + NaOH = NaAl(SO4)2 + KOH =>
KAl(SO4)2 + NaOH = NaAl(SO4)2 + KOH
CH3CH(OH)CH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH3CO + H2O =>
3 CH3CH(OH)CH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH3CO + 7 H2O
Sr3N2 + H2O = Sr(OH)2 + N2 + H2 =>
Sr3N2 + 6 H2O = 3 Sr(OH)2 + N2 + 3 H2
C9H20 + O2 = CO + H2 =>
2 C9H20 + 9 O2 = 18 CO + 20 H2
BaCO3 + K2Cr2O7 = BaCr2O7 + K2CO3 =>
BaCO3 + K2Cr2O7 = BaCr2O7 + K2CO3
KI + H2SO4 = KHSO4 + I2 + S + H2O =>
6 KI + 7 H2SO4 = 6 KHSO4 + 3 I2 + S + 4 H2O
Cu + HBr = CuBr + H =>
Cu + HBr = CuBr + H
P + CO2 = PO4 + CO =>
P + 4 CO2 = PO4 + 4 CO
CaOHH2SO4 = CaSO4H2OH =>
CaOHH2SO4 = CaSO4H2OH
CuSO4*5H2O + CaCl2 + H2SO4 = H2[CuCl4] + H2O + CaSO4 =>
CuSO4*5H2O + 2 CaCl2 + H2SO4 = H2[CuCl4] + 5 H2O + 2 CaSO4
PbAgN = PbNAg =>
PbAgN = PbNAg
H2C2O4 + KOH = K2C2O4 + H2O =>
H2C2O4 + 2 KOH = K2C2O4 + 2 H2O
K2TiO3 + HCl = TiCl4 + H2O + KOH =>
K2TiO3 + 4 HCl = TiCl4 + H2O + 2 KOH
K2S + Al2(CO3)3 = K2CO3 + Al2S3 =>
3 K2S + Al2(CO3)3 = 3 K2CO3 + Al2S3
(NH2)2CO + NaOH = NH3 + Na2CO3 =>
(NH2)2CO + 2 NaOH = 2 NH3 + Na2CO3
Al + CH3COOH = CH3COOAl + H2 =>
2 Al + 2 CH3COOH = 2 CH3COOAl + H2
ICl3 = I + Cl =>
ICl3 = I + 3 Cl
NaSH = H2S + Na2S =>
2 NaSH = H2S + Na2S
HNO3 + HCl = NO + H2O + Cl2 =>
2 HNO3 + 6 HCl = 2 NO + 4 H2O + 3 Cl2
C6H4ClNO2 + O2 = CO2 + H2O + HCl + NO2 =>
4 C6H4ClNO2 + 27 O2 = 24 CO2 + 6 H2O + 4 HCl + 4 NO2
C2H8N2(l) + O2(g) = N2(g) + CO2(g) + H2O(l) =>
C2H8N2(l) + 4 O2(g) = N2(g) + 2 CO2(g) + 4 H2O(l)
CuSO4*5H2O + Na2CO3 = CuCO3*Cu(OH)2 + Na2SO4 + CO2 + H2O =>
2 CuSO4*5H2O + 2 Na2CO3 = CuCO3*Cu(OH)2 + 2 Na2SO4 + CO2 + 9 H2O
K2Cr2O7 + Na2SO3 = K2SO3 + Na2Cr2O7 =>
K2Cr2O7 + Na2SO3 = K2SO3 + Na2Cr2O7
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Ca(NO3)2 = CaO + NO2 + O2 =>
2 Ca(NO3)2 = 2 CaO + 4 NO2 + O2
C6H5NO2 + N2O + OH{-} = CO3{-}2 + H2O + N2 =>
2 C6H5NO2 + 31 N2O + 12 OH{-} = 12 CO3{-}2 + 11 H2O + 32 N2
Cl2 + Na2S2O3 + NaOH = Na2SO4 + Na2Cl + H2O =>
2 Cl2 + Na2S2O3 + 10 NaOH = 2 Na2SO4 + 4 Na2Cl + 5 H2O
O32 = O3 =>
3 O32 = 32 O3
CH3CH3CHBrCOOH + NaOH = CH3CH3CHBrCOONa + H2O =>
CH3CH3CHBrCOOH + NaOH = CH3CH3CHBrCOONa + H2O
Ag + HNO3 = NO + AgNO3 + H2O =>
3 Ag + 4 HNO3 = NO + 3 AgNO3 + 2 H2O
KNO3 + H2SO4 = K2SO4 + HNO3 =>
2 KNO3 + H2SO4 = K2SO4 + 2 HNO3
CH3CH(OH)CH2(OH) + HBr = CH3CH(Br)CH2(Br) + H2O =>
CH3CH(OH)CH2(OH) + 2 HBr = CH3CH(Br)CH2(Br) + 2 H2O
Na2CO3 + C2H5OH = C2H5Na + CO2 + H2O =>
3 Na2CO3 + 7 C2H5OH = 6 C2H5Na + 5 CO2 + 6 H2O
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Équations équilibrées sur12/24/24
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