| Équations équilibrées la veille |
K2O2 + 2 H2SO4 + 2 KI = I2 + 2 H2O + 2 K2SO4
FeS2 + O2 = Fe3O2 + SO2 =>
3 FeS2 + 7 O2 = Fe3O2 + 6 SO2
Pb(C2H3O2) + KOH = K(C2H3O2) + Pb(OH) =>
Pb(C2H3O2) + KOH = K(C2H3O2) + Pb(OH)
HNO2 + CO(NH2)2 = CO2 + N2 + H2O =>
2 HNO2 + CO(NH2)2 = CO2 + 2 N2 + 3 H2O
Fe + CO2 = Fe3O3 + CO =>
3 Fe + 3 CO2 = Fe3O3 + 3 CO
S + HNO3(conc) = SO2 + H2O + NO2 =>
S + 4 HNO3(conc) = SO2 + 2 H2O + 4 NO2
KNO3 + LiF = KF + LiNO3 =>
KNO3 + LiF = KF + LiNO3
NH4 + Ca = CaH2 + N2 =>
2 NH4 + 4 Ca = 4 CaH2 + N2
P2O3 + CO = P4 + CO2 =>
2 P2O3 + 6 CO = P4 + 6 CO2
Cu(II)Cl + NaNO3 = Cu(II)NO3 + NaCl =>
Cu(II)Cl + NaNO3 = Cu(II)NO3 + NaCl
Cr2(SO4)3 + (NH4)2(CO3) = Cr2(CO3)3 + (NH4)2(SO4) =>
Cr2(SO4)3 + 3(NH4)2(CO3) = Cr2(CO3)3 + 3(NH4)2(SO4)
PH3 + KMnO4 + NaOH = K2MnO4 + Na3PO4 + Mn3(PO4)2 + H2O =>
9 PH3 + 24 KMnO4 + 3 NaOH = 12 K2MnO4 + Na3PO4 + 4 Mn3(PO4)2 + 15 H2O
Cu + Ti = CuTi =>
Cu + Ti = CuTi
KMnO4 + C7H14 + H2O = C7H14O2 + MnO2 + KOH =>
4 KMnO4 + 3 C7H14 + 2 H2O = 3 C7H14O2 + 4 MnO2 + 4 KOH
C6H12O6 + Cu(OH)2 = Cu2O + C6H12O7 + H2O =>
C6H12O6 + 2 Cu(OH)2 = Cu2O + C6H12O7 + 2 H2O
SCd + HCl + Pb(OAc) = PbCl(OAc) + HSCd =>
SCd + HCl + Pb(OAc) = PbCl(OAc) + HSCd
Co(OH)3 = Co2O3 + H2O =>
2 Co(OH)3 = Co2O3 + 3 H2O
H2O2 + Br = HBrO3 + H2O =>
5 H2O2 + 2 Br = 2 HBrO3 + 4 H2O
NO + OH{-} = NO3{-} + H2O + e =>
NO + 4 OH{-} = NO3{-} + 2 H2O + 3e
Fe3O4 + NaOH = Fe(OH)2 + Fe(OH)3 + Na2O =>
Fe3O4 + 8 NaOH = Fe(OH)2 + 2 Fe(OH)3 + 4 Na2O
SF4 + I2O5 = IF5 + SO2 =>
5 SF4 + 2 I2O5 = 4 IF5 + 5 SO2
CO2 + He = HeO + C =>
CO2 + 2 He = 2 HeO + C
KHSO4 + K2Cr2O7 + FeSO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4) + H2O =>
14 KHSO4 + K2Cr2O7 + 10 FeSO4 = 5 Fe2(SO4)3 + 8 K2SO4 + Cr2(SO4) + 7 H2O
C4H8O + KMnO4 + H2SO4 = C4H6O2 + K2SO4 + MnSO4 + H2O =>
5 C4H8O + 4 KMnO4 + 6 H2SO4 = 5 C4H6O2 + 2 K2SO4 + 4 MnSO4 + 11 H2O
K{-3}PO{-4} + HCl = KCl + H{-3}PO{-4} =>
K{-3}PO{-4} + HCl = KCl + H{-3}PO{-4}
MgCl4 + Al3 = AlCl3 + Mg2 =>
18 MgCl4 + 8 Al3 = 24 AlCl3 + 9 Mg2
KOH + Fe(NO3)3 = KFe + OH(NO3)3 =>
KOH + Fe(NO3)3 = KFe + OH(NO3)3
KOH + MnI = K2I + Mn(OH)2 =>
2 KOH + MnI = K2I + Mn(OH)2
KBr + Be2O2 = K2O + BeBr2 =>
4 KBr + Be2O2 = 2 K2O + 2 BeBr2
(NH4)2CO3(aq) + H2SO4(aq) = (NH4)2SO4(aq) + CO2(g) + H2O(l) =>
(NH4)2CO3(aq) + H2SO4(aq) = (NH4)2SO4(aq) + CO2(g) + H2O(l)
FeCO3(s) + H2SO4(ac) = Fe2(SO4)3 + S + CO2 + H2O =>
6 FeCO3(s) + 10 H2SO4(ac) = 3 Fe2(SO4)3 + S + 6 CO2 + 10 H2O
Cr3OH + HCl = H2O + Cr3Cl =>
Cr3OH + HCl = H2O + Cr3Cl
OCl + S2O5 = Cl + SO4 =>
3 OCl + S2O5 = 3 Cl + 2 SO4
[CuOH]2SO4 + NH4OH = [Cu(NH3)4](OH)2 + H2O + [(NH4)2]SO4 =>
[CuOH]2SO4 + 10 NH4OH = 2[Cu(NH3)4](OH)2 + 8 H2O + [(NH4)2]SO4
H2SiO3 + Ag = Ag2SiO3 + H2 =>
H2SiO3 + 2 Ag = Ag2SiO3 + H2
KNO3 + HI + HCl = NO + I2 + KCl + H2O =>
2 KNO3 + 6 HI + 2 HCl = 2 NO + 3 I2 + 2 KCl + 4 H2O
HgO + Ag = Ag2O + Hg =>
HgO + 2 Ag = Ag2O + Hg
KOH + Mg = MgOH + K =>
KOH + Mg = MgOH + K
BaCl2 + Br2 = BaBr2 + Cl =>
BaCl2 + Br2 = BaBr2 + 2 Cl
CH4N2O + C2H6O + C7H6O3 = C22H26N2O3 + H2O =>
14 CH4N2O + 63 C2H6O + 24 C7H6O3 = 14 C22H26N2O3 + 107 H2O
Zn2 + MgCl = MgZn + Cl =>
Zn2 + 2 MgCl = 2 MgZn + 2 Cl
C6H11OH + K2Cr2O7 + H2SO4 = CH3(CH2)4COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H11OH + K2Cr2O7 + 4 H2SO4 = 3 CH3(CH2)4COOH + K2SO4 + Cr2(SO4)3 + 4 H2O
BaCl + NaNO3 = NaCl + BaNO3 =>
BaCl + NaNO3 = NaCl + BaNO3
Cr(NO3) + NaOH = CrNa + NO3OH =>
Cr(NO3) + NaOH = CrNa + NO3OH
H2O + I2 + P4 = HI + H3PO4 =>
16 H2O + 10 I2 + P4 = 20 HI + 4 H3PO4
(NH4)NO2 = N2 + H2O =>
(NH4)NO2 = N2 + 2 H2O
Mg + CH3COOH = Mg(C2H3O2)2H2 =>
Mg + 2 CH3COOH = Mg(C2H3O2)2H2
FeSO4 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + H2O + KHSO4 =>
6 FeSO4 + K2Cr2O7 + 8 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O + 2 KHSO4
NaMnO4 + SO2 = NaMnSO + O2 =>
2 NaMnO4 + 2 SO2 = 2 NaMnSO + 5 O2
MnS + O2 + H2O = Mn(OH)3 + S =>
4 MnS + 3 O2 + 6 H2O = 4 Mn(OH)3 + 4 S
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