| Équations équilibrées la veille | Équations équilibrées le lendemain |
Zn + HCl = ZnCl + H
SO2 + Ca(NO3)2 + H2O = CaSO4 + NO + H2SO4 =>
3 SO2 + Ca(NO3)2 + 2 H2O = CaSO4 + 2 NO + 2 H2SO4
P(s) + HF(g) = PF5 + H2(g) =>
2 P(s) + 10 HF(g) = 2 PF5 + 5 H2(g)
SrCO3 + ZnO + Fe2O3 + Li2CO3 + WO3 = Sr200Zn90Fe5Li5W100O600 + CO2 =>
400 SrCO3 + 180 ZnO + 5 Fe2O3 + 5 Li2CO3 + 200 WO3 = 2 Sr200Zn90Fe5Li5W100O600 + 405 CO2
UO2(OH)2 = U2O5(OH)2 + H2O =>
2 UO2(OH)2 = U2O5(OH)2 + H2O
CaO + SO4 = (CaO)2SO4 =>
2 CaO + SO4 = (CaO)2SO4
KHO3 = K + O + H =>
KHO3 = K + 3 O + H
CH2(CH)2CH2(g) + O2(g) = CO2 + H2O =>
2 CH2(CH)2CH2(g) + 11 O2(g) = 8 CO2 + 6 H2O
NH4OH + HNO3 = NH4NO3 + H2O =>
NH4OH + HNO3 = NH4NO3 + H2O
KF + Ca(NO3)2 = CaK2 + FNO3 =>
2 KF + Ca(NO3)2 = CaK2 + 2 FNO3
Al(OH)3 + HNO3 = Al(NO3)3 + H2O =>
Al(OH)3 + 3 HNO3 = Al(NO3)3 + 3 H2O
H2O + CH3Br = CH3OH + HBr =>
H2O + CH3Br = CH3OH + HBr
SO2 + Ca(NO3)2 + H2O = CaSO4 + NO + H2SO4 =>
3 SO2 + Ca(NO3)2 + 2 H2O = CaSO4 + 2 NO + 2 H2SO4
sulfur + ozone = sulfurdioxide =>
3 S + 2 O3 = 3 SO2
KMnO4 + HBr2 = Br2 + MnBr2 + KBr + H2O =>
2 KMnO4 + 16 HBr2 = 13 Br2 + 2 MnBr2 + 2 KBr + 8 H2O
K2Cr2O7 + Al + HCl = CrCl3 + AlCl3 + KCl + H2O =>
K2Cr2O7 + 2 Al + 14 HCl = 2 CrCl3 + 2 AlCl3 + 2 KCl + 7 H2O
Ba2{+} + Cl{-} = Ba + Cl2 =>
2 Ba2{+} + 2 Cl{-} = 4 Ba + Cl2
KOH + H2O2 = KOOH + H2O =>
KOH + H2O2 = KOOH + H2O
Hg + H2SO4(konc) = HgSO4 + SO2 + H2O =>
Hg + 2 H2SO4(konc) = HgSO4 + SO2 + 2 H2O
CH3CH2CH2OH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
10 CH3CH2CH2OH + 12 KMnO4 + 18 H2SO4 = 15 CH3COOH + 12 MnSO4 + 6 K2SO4 + 28 H2O
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
BaCl2 + H2SO4 = BaSO4 + Cl2H2 =>
BaCl2 + H2SO4 = BaSO4 + Cl2H2
H2O + N2 + Cl = N2H4 + ClO =>
2 H2O + N2 + 2 Cl = N2H4 + 2 ClO
MgCO3 + H3BO3 = Mg(BO3)2 + H2CO3 + H2 =>
MgCO3 + 2 H3BO3 = Mg(BO3)2 + H2CO3 + 2 H2
HNO3 + Zn = Zn(NO3)2 + NO + H2O1 =>
8 HNO3 + 3 Zn = 3 Zn(NO3)2 + 2 NO + 4 H2O1
KI + HClO3 + HCl = I2 + H2O + KCl =>
6 KI + HClO3 + 5 HCl = 3 I2 + 3 H2O + 6 KCl
CrCl3(aq) + NaCO3(aq) = CrCO3 + NaCl3 =>
CrCl3(aq) + NaCO3(aq) = CrCO3 + NaCl3
CH3(COOH) + Mg = H2 + Mg(CH3COO)2 =>
2 CH3(COOH) + Mg = H2 + Mg(CH3COO)2
O2(g) + NO(g) + H2O = NO3{-}(aq) + H{+} =>
3 O2(g) + 4 NO(g) + 2 H2O = 4 NO3{-}(aq) + 4 H{+}
NaHCO3 + C6H8O7[H2O] = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + C6H8O7[H2O] = 3 CO2 + 4 H2O + Na3C6H5O7
CaCl2 + NaCOO = CaCOO + Na(Cl)2 =>
CaCl2 + NaCOO = CaCOO + Na(Cl)2
As2S + KNO3 + H2SO4 = K3AsO4 + K2SO4 + NO2 + H2O =>
As2S + 16 KNO3 + 4 H2SO4 = 2 K3AsO4 + 5 K2SO4 + 16 NO2 + 4 H2O
Cr + HNO3 = Cr(NO3)3 + H2 =>
2 Cr + 6 HNO3 = 2 Cr(NO3)3 + 3 H2
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
C18H36O2 + KMnO4 + H2SO4 = C18H36COOH + H2O + K2SO4 + MnSO4 =>
95 C18H36O2 + 14 KMnO4 + 21 H2SO4 = 90 C18H36COOH + 66 H2O + 7 K2SO4 + 14 MnSO4
KMnO4 + HNO2 = KNO3 + KNO2 + H2O + Mn(NO3)2 =>
2 KMnO4 + 6 HNO2 = KNO3 + KNO2 + 3 H2O + 2 Mn(NO3)2
AgCl + MgSO4 = Ag2SO4 + MgCl2 =>
2 AgCl + MgSO4 = Ag2SO4 + MgCl2
Cu + H3SBO4 = SBO4Cu + H2 =>
2 Cu + 2 H3SBO4 = 2 SBO4Cu + 3 H2
H2CCl2 + Cl2 = HCCl3 + HCl =>
H2CCl2 + Cl2 = HCCl3 + HCl
C3H4N2 + C8H17Br = C8H17C3H3N2 + HBr =>
C3H4N2 + C8H17Br = C8H17C3H3N2 + HBr
CuSO4 + CaNO3 = CaSO4 + Cu + NO3 =>
CuSO4 + CaNO3 = CaSO4 + Cu + NO3
PrO2 + NH3 = Pr + H2O + NO2 =>
7 PrO2 + 4 NH3 = 7 Pr + 6 H2O + 4 NO2
C18H36O2 + KMnO4 + H2SO4 = C18H36COOH + H2O + K2SO4 + MnSO4 =>
95 C18H36O2 + 14 KMnO4 + 21 H2SO4 = 90 C18H36COOH + 66 H2O + 7 K2SO4 + 14 MnSO4
H2O = H2 + O2(g) =>
2 H2O = 2 H2 + O2(g)
SrCl2 + KMnO4 + H3Po3 = Cl2 + Mn3(Po4)2 + Sr3(Po4)2 + K3Po4 + H2O =>
9 SrCl2 + 6 KMnO4 + 16 H3Po3 = 9 Cl2 + 2 Mn3(Po4)2 + 3 Sr3(Po4)2 + 2 K3Po4 + 24 H2O
Pb(NO3)2 + HCl = HNO3 + PbCl2 =>
Pb(NO3)2 + 2 HCl = 2 HNO3 + PbCl2
Na8 + H2O = NaHO + H2 =>
Na8 + 8 H2O = 8 NaHO + 4 H2
NaCrO2 + Na2O2 + H2O2 = NaOH + Na2CrO4 =>
2 NaCrO2 + 2 Na2O2 + H2O2 = 2 NaOH + 2 Na2CrO4
Al2(SO4)3 + H2O = H2 + SO4 + Al(OH) =>
Al2(SO4)3 + 2 H2O = H2 + 3 SO4 + 2 Al(OH)
CH3((CH2)4)CH3(g) + O2 = CO2(g) + H2O(g) =>
2 CH3((CH2)4)CH3(g) + 19 O2 = 12 CO2(g) + 14 H2O(g)
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