| Équations équilibrées la veille | Équations équilibrées le lendemain |
SrCl2 + Na2CO3 = SrCO3 + 2 NaCl
H2O2 + K2CrO4 = O2 + CrOH3 + K2O =>
3 H2O2 + 2 K2CrO4 = 5 O2 + 2 CrOH3 + 2 K2O
SC + H2O = H2S + CO =>
SC + H2O = H2S + CO
KMnO4 + H2SO4 + NaNO2 = K2SO4 + MnSO4 + NaNO3 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 NaNO2 = K2SO4 + 2 MnSO4 + 5 NaNO3 + 3 H2O
CoSO4 + Na2S2O3 = CoS2 + Na2SO4 + O2 =>
2 CoSO4 + 2 Na2S2O3 = 2 CoS2 + 2 Na2SO4 + 3 O2
Mg3(PO4)2 + BF3 = BPO4 + MgF2 =>
Mg3(PO4)2 + 2 BF3 = 2 BPO4 + 3 MgF2
KBr(ag) + AgNO3(Ag) = KNO3(Ag) + AgBr(s) =>
KBr(ag) + AgNO3(Ag) = KNO3(Ag) + AgBr(s)
(NH4)S + Cr(ClO4)4 = NH4ClO4 + CrS4 =>
4(NH4)S + Cr(ClO4)4 = 4 NH4ClO4 + CrS4
XeO4 + HNO3 + Ag = AgNO3 + H2O + Xe =>
XeO4 + 8 HNO3 + 8 Ag = 8 AgNO3 + 4 H2O + Xe
CO2 + MnSO4 + H2O = H2C2O4 + MnO2 + H2SO4 =>
2 CO2 + MnSO4 + 2 H2O = H2C2O4 + MnO2 + H2SO4
Cr(OH)3 + HNO2 = Cr(NO2)3 + OH2 =>
Cr(OH)3 + 3 HNO2 = Cr(NO2)3 + 3 OH2
As2S5 + HNO3 = H3AsO4 + H2O + NO2 + S =>
As2S5 + 10 HNO3 = 2 H3AsO4 + 2 H2O + 10 NO2 + 5 S
NaOH + H2SO4 = NaHSO4 + H2O =>
NaOH + H2SO4 = NaHSO4 + H2O
NaNO2 + NaI + H2SO4 = N2 + I2 + Na2SO4 + H2O =>
2 NaNO2 + 6 NaI + 4 H2SO4 = N2 + 3 I2 + 4 Na2SO4 + 4 H2O
NaAlO2 + H2SO4 = H2O + NaAl(SO4)2 =>
NaAlO2 + 2 H2SO4 = 2 H2O + NaAl(SO4)2
Ba(NO3)2 + Sr(NO3)2 + Co(NO3)2 + Fe(NO3)3 + C18H36O2 = Ba5Sr5Co8Fe2O30 + N2 + H2O + CO2 =>
65 Ba(NO3)2 + 65 Sr(NO3)2 + 104 Co(NO3)2 + 26 Fe(NO3)3 + 24 C18H36O2 = 13 Ba5Sr5Co8Fe2O30 + 273 N2 + 432 H2O + 432 CO2
Al + (OH)3 + H2S = AlS3 + H2O =>
Al + 2(OH)3 + 3 H2S = AlS3 + 6 H2O
K2(CrO4) + Ba(NO3)2 = Ba(CrO4) + KNO3 =>
K2(CrO4) + Ba(NO3)2 = Ba(CrO4) + 2 KNO3
HIO3 + H2SO3 = H2SO4 + I2 + H2O =>
2 HIO3 + 5 H2SO3 = 5 H2SO4 + I2 + H2O
SB + H{+} + SO4{-} = SB3{+} + SO2 + H2O =>
3 SB + 4 H{+} + 3 SO4{-} = SB3{+} + 5 SO2 + 2 H2O
Zn(H2PO4)2 + NaOH = Zn3(PO4)2 + NaH2PO4 + H2O =>
3 Zn(H2PO4)2 + 4 NaOH = Zn3(PO4)2 + 4 NaH2PO4 + 4 H2O
NO3{-} + AsS3 + H{+} = As2O5 + SO4{2-} + NO + H2O =>
46 NO3{-} + 6 AsS3 + 10 H{+} = 3 As2O5 + 18 SO4{2-} + 46 NO + 5 H2O
NaI + H2SO4 = H2S + I2 + NaSO4 + H0O =>
2 NaI + 3 H2SO4 = H2S + I2 + 2 NaSO4 + 4 H0O
Cr2(SO4)3 + AgC2H3O2 = Cr(C2H3O2)3 + Ag2SO4 =>
Cr2(SO4)3 + 6 AgC2H3O2 = 2 Cr(C2H3O2)3 + 3 Ag2SO4
C2H3OH + Ag2O = HCOOH + Ag =>
C2H3OH + 3 Ag2O = 2 HCOOH + 6 Ag
Cd(CrO4) + Ag = Ag(CrO4) + Cd =>
Cd(CrO4) + Ag = Ag(CrO4) + Cd
X + Z = XZ3 =>
X + 3 Z = XZ3
Br + O = BrO =>
Br + O = BrO
(NH3)2PdCl2 + N2H5OH = Pd + NH4Cl + N2 + H2O =>
2(NH3)2PdCl2 + N2H5OH = 2 Pd + 4 NH4Cl + N2 + H2O
Au + H2SeO4 = Au2(SeO4)3 + H2SeO3 + H2O =>
2 Au + 6 H2SeO4 = Au2(SeO4)3 + 3 H2SeO3 + 3 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Fe2O3 + C6H8O10 = FeO + CO2 + H2O =>
6 Fe2O3 + C6H8O10 = 12 FeO + 6 CO2 + 4 H2O
Na + K3Cl2 = KNa7 + Cl13 =>
273 Na + 13 K3Cl2 = 39 KNa7 + 2 Cl13
NaOH + C2H5OH = C2H5ONa + H2O =>
NaOH + C2H5OH = C2H5ONa + H2O
C2H2 + HOH + KMnO4 = CH2O2 + MnO2 + KOH =>
C2H2 + 2 HOH + 2 KMnO4 = 2 CH2O2 + 2 MnO2 + 2 KOH
BrO3{-} + Sb{+3} + H{+} = Br{-} + Sb{+5} + H2O =>
BrO3{-} + 3 Sb{+3} + 6 H{+} = Br{-} + 3 Sb{+5} + 3 H2O
Ni + HCl = H2 + NiCl2 =>
Ni + 2 HCl = H2 + NiCl2
(C2H5NH3)HCO3 = C2H5NH2 + CO2 + H2O =>
(C2H5NH3)HCO3 = C2H5NH2 + CO2 + H2O
CaH2 + H2O = (Ca(OH)2) + H2 =>
CaH2 + 2 H2O = (Ca(OH)2) + 2 H2
NiCl2 + NaOCl + NaOH + H2O = Ni(OH)3 + NaCl =>
2 NiCl2 + NaOCl + 4 NaOH + H2O = 2 Ni(OH)3 + 5 NaCl
HNO3(aq) + CrCO3(s) = Cr(NO3)2(aq) + H2O(l) + CO2(g) =>
2 HNO3(aq) + CrCO3(s) = Cr(NO3)2(aq) + H2O(l) + CO2(g)
PCl + O2 = POCl =>
2 PCl + O2 = 2 POCl
Ni2(CO3)3 = Ni + CO3 =>
Ni2(CO3)3 = 2 Ni + 3 CO3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C6H14 + Cl2 = CCl2 + HCl =>
C6H14 + 13 Cl2 = 6 CCl2 + 14 HCl
C6H4O2 + O2 = CO2 + H2O =>
C6H4O2 + 6 O2 = 6 CO2 + 2 H2O
NH3 + H2O = N2O + HH =>
2 NH3 + H2O = N2O + 4 HH
CH3COOH + Sr(OH) = CH3COOSr + H2O =>
CH3COOH + Sr(OH) = CH3COOSr + H2O
AI + CuBr = AIBr3 + Cu =>
AI + 3 CuBr = AIBr3 + 3 Cu
HNO3 + H2SO3 = H2SO4 + NO + H2O =>
2 HNO3 + 3 H2SO3 = 3 H2SO4 + 2 NO + H2O
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Équations équilibrées sur10/24/24
Équations équilibrées sur11/23/23
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