| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HMnO4(aq) + 14 HCl(aq) = 2 MnCl2(aq) + 5 Cl2(g) + 8 H2O(l)
C1OH20O + O2 = CO2 + H2O =>
C1OH20O + 5 O2 = CO2 + 10 H2O
C6H5CHCH2 + KMnO4 + H2O = C6H5COOH + MnO2 + KOH =>
21 C6H5CHCH2 + 40 KMnO4 + 8 H2O = 24 C6H5COOH + 40 MnO2 + 40 KOH
Cu(s) + FeSO4(aq) = CuSO4 + Fe(s) =>
Cu(s) + FeSO4(aq) = CuSO4 + Fe(s)
Na2S + Cl2 = NaCl + S =>
Na2S + Cl2 = 2 NaCl + S
POH + MgNO3 = MgOH + PNO3 =>
POH + MgNO3 = MgOH + PNO3
Ba(OH)2(aq) + NaNO3(aq) = Ba(NO3)2(aq) + NaOH(aq) =>
Ba(OH)2(aq) + 2 NaNO3(aq) = Ba(NO3)2(aq) + 2 NaOH(aq)
(CH3)3CCl + H2O = Cl{-} + (CH3)3COH + H3O{+} =>
(CH3)3CCl + 2 H2O = Cl{-} + (CH3)3COH + H3O{+}
Fe + Ag(NO3)2 = Fe(NO3)3 + Ag =>
2 Fe + 3 Ag(NO3)2 = 2 Fe(NO3)3 + 3 Ag
Pb + K2CrO4 = Pb2K2CrO4 =>
2 Pb + K2CrO4 = Pb2K2CrO4
KI + CuI = CuI2 + K =>
KI + CuI = CuI2 + K
C16H30O2 + H2 = CH4 + H2O =>
C16H30O2 + 19 H2 = 16 CH4 + 2 H2O
Cu2C2 + HCl = C2H2 + CuCl =>
Cu2C2 + 2 HCl = C2H2 + 2 CuCl
Pb(NO3)2(l) + Na2C2O4(l) = NaNO3 + PbC2O4 =>
Pb(NO3)2(l) + Na2C2O4(l) = 2 NaNO3 + PbC2O4
H2(SO4) + NaNO2 = HNO2 + Na2SO4 =>
H2(SO4) + 2 NaNO2 = 2 HNO2 + Na2SO4
Cr2O3 + Zn(OH)2 + O2 = (ZnOH)2CrO4 + H2O =>
2 Cr2O3 + 8 Zn(OH)2 + 3 O2 = 4(ZnOH)2CrO4 + 4 H2O
K2CO3 + H2CO3 = K(CO3)2 + H =>
K2CO3 + 3 H2CO3 = 2 K(CO3)2 + 6 H
NO2 + H2O = HNO3 + N2O3 =>
4 NO2 + H2O = 2 HNO3 + N2O3
N + H = NH =>
N + H = NH
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CI + NaI = NaCI + I2 =>
2 CI + 2 NaI = 2 NaCI + I2
Al + P = Al2P3 =>
2 Al + 3 P = Al2P3
CH2O2 + NaOH = HCO2Na + H2O =>
CH2O2 + NaOH = HCO2Na + H2O
CH4 + HCl = CH3 + H2Cl =>
CH4 + HCl = CH3 + H2Cl
C4H9Br + KOH = C4H8 + KBr + H2O =>
C4H9Br + KOH = C4H8 + KBr + H2O
B + HNO3 + HF = HBF4 + NO2 + H2O =>
B + 3 HNO3 + 4 HF = HBF4 + 3 NO2 + 3 H2O
NaNO3 + HNO2 = HNO3 + NaNO2 =>
NaNO3 + HNO2 = HNO3 + NaNO2
CuBr2 + K3PO4 = Cu3(PO4)2 + KBr =>
3 CuBr2 + 2 K3PO4 = Cu3(PO4)2 + 6 KBr
KHS + NaOH = K2S + Na2S + H2O =>
2 KHS + 2 NaOH = K2S + Na2S + 2 H2O
Fe2(SO4)3 + K4Fe(CN)6 = Fe4(Fe(CN)6)3 + K2SO4 =>
2 Fe2(SO4)3 + 3 K4Fe(CN)6 = Fe4(Fe(CN)6)3 + 6 K2SO4
PbCrO4 + NaOH = Na2Pb(OH)4 + Na2CrO4 =>
PbCrO4 + 4 NaOH = Na2Pb(OH)4 + Na2CrO4
V2O5 + Fe = Fe2O3 + VO2 =>
3 V2O5 + 2 Fe = Fe2O3 + 6 VO2
Au + O2 = Au2O5 =>
4 Au + 5 O2 = 2 Au2O5
Zn + OH{-} + H2O = Zn(OH)4{-} + H2 =>
2 Zn + 2 OH{-} + 6 H2O = 2 Zn(OH)4{-} + 3 H2
Fe + I = FeI2 =>
Fe + 2 I = FeI2
H2O + O3 = H2O2 =>
3 H2O + O3 = 3 H2O2
Be(OH)2 + H2SO4 = BeSO4 + H2O =>
Be(OH)2 + H2SO4 = BeSO4 + 2 H2O
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
C6H5OH + K = C6H5OK + H2 =>
2 C6H5OH + 2 K = 2 C6H5OK + H2
Ba + CO3 = BaC + O3 =>
Ba + CO3 = BaC + O3
CS2(s) + O2(g) = CO2(g) + SO2 =>
CS2(s) + 3 O2(g) = CO2(g) + 2 SO2
BF3 + NaF = NaBF4 =>
BF3 + NaF = NaBF4
Ca(OH)2 + NHO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 NHO3 = Ca(NO3)2 + 2 H2O
Tc + HNO3 = HTcO4 + NO2 + H2O =>
Tc + 7 HNO3 = HTcO4 + 7 NO2 + 3 H2O
Ni(NO3)2 + NH3 = NiNH3 + NO3 =>
Ni(NO3)2 + NH3 = NiNH3 + 2 NO3
H3PO4 + Mg = H2 + Mg3(PO4)2 =>
2 H3PO4 + 3 Mg = 3 H2 + Mg3(PO4)2
CuCl2 + HI = CuI + HCl + I =>
CuCl2 + 2 HI = CuI + 2 HCl + I
C2H5Br + AgOH = C2H6O + AgBr =>
C2H5Br + AgOH = C2H6O + AgBr
NH4NO3 + NaOH = NaNO3 + NH3 + H2O =>
NH4NO3 + NaOH = NaNO3 + NH3 + H2O
Al(No3)3 + Na3Po4 = AlPo4 + NaNo3 =>
Al(No3)3 + Na3Po4 = AlPo4 + 3 NaNo3
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Équations équilibrées sur12/16/24
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