| Équations équilibrées la veille |
2 H2O2 + Mn = 2 H2O + MnO2
Br2 + KOH = KBr + KBrO3 + H2O =>
3 Br2 + 6 KOH = 5 KBr + KBrO3 + 3 H2O
Mg(OH)2 + K3PO4 = K3(OH)2 + MgPO4 =>
Mg(OH)2 + K3PO4 = K3(OH)2 + MgPO4
S8 + KNO3 = SO2 + K20 + N2 =>
15 S8 + 80 KNO3 = 120 SO2 + 4 K20 + 40 N2
Fe2(SO4)3 + KSCN = K3Fe + (SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3Fe + 2(SCN)6 + 3 K2SO4
C2H4O2 + Ca = H2 + CO2 + CaC3H2 =>
3 C2H4O2 + Ca = 5 H2 + 3 CO2 + CaC3H2
MgSO4(aq) + KNO3(aq) = Mg(NO3)2 + K2SO4 =>
MgSO4(aq) + 2 KNO3(aq) = Mg(NO3)2 + K2SO4
H2O + H2S = HO4 + H4S =>
8 H2O + 7 H2S = 2 HO4 + 7 H4S
Zn + K4[Fe(Cn)6] = Zn3K2[Fe(Cn)6]2 + K =>
3 Zn + 2 K4[Fe(Cn)6] = Zn3K2[Fe(Cn)6]2 + 6 K
CuSO4(aq) + Na2(s) = Cu(aq) + Na2SO4(aq) =>
CuSO4(aq) + Na2(s) = Cu(aq) + Na2SO4(aq)
C102H163O67N + H2O = C4H8O2 + CO2 + NO2 =>
20 C102H163O67N + 134 H2O = 441 C4H8O2 + 276 CO2 + 20 NO2
KI + NaIO3 = NaI + KIO3 =>
KI + NaIO3 = NaI + KIO3
OCl{-} + Cr2O3 + OH{-} = CrO4{2-} + Cl{-} + H2O =>
3 OCl{-} + Cr2O3 + 4 OH{-} = 2 CrO4{2-} + 3 Cl{-} + 2 H2O
C3H6O2 + O2 = H2O + CO =>
C3H6O2 + 2 O2 = 3 H2O + 3 CO
HCl + NaAl(CO3)(OH)(OH) = NaCl + AlCl3 + CO2 + H2O =>
4 HCl + NaAl(CO3)(OH)(OH) = NaCl + AlCl3 + CO2 + 3 H2O
CuFeO2 + FeS + SiO2 = Cu2S + FeO*SiO2 + SO2(g) =>
6 CuFeO2 + 4 FeS + 10 SiO2 = 3 Cu2S + 10 FeO*SiO2 + SO2(g)
KCl2O3 = KCl2 + O2 =>
2 KCl2O3 = 2 KCl2 + 3 O2
Bi + F2 = BiF3 =>
2 Bi + 3 F2 = 2 BiF3
P + N2O = N2 + P2O5 =>
2 P + 5 N2O = 5 N2 + P2O5
CoOC = COCo =>
CoOC = COCo
CH3C3 + O2 = CO2 + H2O =>
4 CH3C3 + 19 O2 = 16 CO2 + 6 H2O
C3H7OH + CuO = C2H5CHO + Cu + H2O =>
C3H7OH + CuO = C2H5CHO + Cu + H2O
Co(NO3)2 + Na3PO4 = Co3(PO4)2 + NaNO3(aq) =>
3 Co(NO3)2 + 2 Na3PO4 = Co3(PO4)2 + 6 NaNO3(aq)
CaH2 + H2O2 = Ca(OH)2 + H2O =>
CaH2 + 2 H2O2 = Ca(OH)2 + 2 H2O
Na2Co3 + HCl = H2Co3 + NaCl =>
Na2Co3 + 2 HCl = H2Co3 + 2 NaCl
Cr2O7 + S = SO2 + Cr2O3 =>
Cr2O7 + 2 S = 2 SO2 + Cr2O3
Pb + Au(NO3)3 = AuPb(NO3)3 =>
Pb + Au(NO3)3 = AuPb(NO3)3
Br2 + KOH = KBr + KBrO3 + H2O =>
3 Br2 + 6 KOH = 5 KBr + KBrO3 + 3 H2O
SnOHCl + NaOH = Sn(OH)2 + NaCl =>
SnOHCl + NaOH = Sn(OH)2 + NaCl
Sodiumchloride + lead(ii)nitrate = Lead(ii)chloride + sodiumnitrate =>
2 NaCl + Pb(NO3)2 = PbCl2 + 2 NaNO3
Zn + Na2CrO4 = Na + ZnCrO4 =>
Zn + Na2CrO4 = 2 Na + ZnCrO4
H3PO4 + Ba(No3)2 = Ba3(PO4)2 + HNo3 =>
2 H3PO4 + 3 Ba(No3)2 = Ba3(PO4)2 + 6 HNo3
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Pr + O + F = PrOF =>
Pr + O + F = PrOF
FeS2 + H2O + O2 = Fe(OH)3 + (SO4)2{-} + H{+} =>
2 FeS2 + 4 H2O + 9 O2 = 2 Fe(OH)3 + 2(SO4)2{-} + 2 H{+}
As3N5 + PbBr2 = AsBr5 + Pb3N2 =>
2 As3N5 + 15 PbBr2 = 6 AsBr5 + 5 Pb3N2
NaC2H3O2 + Ca = Na + Ca(C2H3O2)2 =>
2 NaC2H3O2 + Ca = 2 Na + Ca(C2H3O2)2
M(OH)3 + HCl = MCl3 + H2O =>
M(OH)3 + 3 HCl = MCl3 + 3 H2O
(NH4)2Fe(SO4)2 + Na2Cr2O7 = (NH4)2Cr2O7 + FeCr2O7 + Na2SO4 =>
(NH4)2Fe(SO4)2 + 2 Na2Cr2O7 = (NH4)2Cr2O7 + FeCr2O7 + 2 Na2SO4
MgCl2 + HF = MgF2(solv) + HCl =>
MgCl2 + 2 HF = MgF2(solv) + 2 HCl
Ni + CuIO = Cu + NiIO =>
Ni + CuIO = Cu + NiIO
MgCl2 + HF = MgF2(solv) + HCl =>
MgCl2 + 2 HF = MgF2(solv) + 2 HCl
H4N2O3 = N2 + O2 + H2O =>
2 H4N2O3 = 2 N2 + O2 + 4 H2O
Na3PO4 + CaCr2O7 = Na2Cr2O7 + Ca3(PO4)2 =>
2 Na3PO4 + 3 CaCr2O7 = 3 Na2Cr2O7 + Ca3(PO4)2
MgCl2 + HF = MgF2(solv) + HCl =>
MgCl2 + 2 HF = MgF2(solv) + 2 HCl
HCOOH + CH3OH = COOCH + H2O =>
7 HCOOH + CH3OH = 4 COOCH + 7 H2O
Cu0 + HICl = CuIICl2 + H2 =>
Cu0 + 2 HICl = CuIICl2 + H2
Ca2FeMg4Si8O24H2 + FeFe2O4 = O2 + CaO + FeMgSi2O6 + H =>
Ca2FeMg4Si8O24H2 + FeFe2O4 = O2 + 2 CaO + 4 FeMgSi2O6 + 2 H
AgNo3(aq) + BaCl2(aq) = AgCl2 + BaNo3 =>
AgNo3(aq) + BaCl2(aq) = AgCl2 + BaNo3
Fe2(SO4)3 + BaI = FeSO4 + I2 + BaSO4 =>
2 Fe2(SO4)3 + 2 BaI = 4 FeSO4 + I2 + 2 BaSO4
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Équations équilibrées sur02/10/25
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