| Équations équilibrées la veille | Équations équilibrées le lendemain |
26 K4Fe(CN)6 + 242 KMnO4 + 627 H2SO4 = 346 KHSO4 + 13 Fe2(SO4)3 + 242 MnSO4 + 156 HNO3 + 156 CO2 + 188 H4O
Zn + Cr2O7{2-} + H{+} = Zn{+2} + Cr{3+} + H2O =>
3 Zn + Cr2O7{2-} + 14 H{+} = 3 Zn{+2} + 2 Cr{3+} + 7 H2O
Ca(s) + O2(g) = Ca2O(g) =>
4 Ca(s) + O2(g) = 2 Ca2O(g)
Ag(NO3) + Na(OH) = Ag(OH) + Na(NO3) =>
Ag(NO3) + Na(OH) = Ag(OH) + Na(NO3)
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
PbCl2 + KI = PbI2 + KCl =>
PbCl2 + 2 KI = PbI2 + 2 KCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
ZnO + HCl = ZnCl2 + H2O =>
ZnO + 2 HCl = ZnCl2 + H2O
H3BO3 = H4B6O11 + H2O =>
6 H3BO3 = H4B6O11 + 7 H2O
SiCl4 + LiAlH4 = SiH4 + LiAlCl4 =>
SiCl4 + LiAlH4 = SiH4 + LiAlCl4
Au + S = SAu =>
Au + S = SAu
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(aq) + Na2(NO3)2(s) =>
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(aq) + Na2(NO3)2(s)
KCl + Sb = SbCl3 + K =>
3 KCl + Sb = SbCl3 + 3 K
Fe2(SO4)3Fe = FeSO4 =>
Fe2(SO4)3Fe = 3 FeSO4
CuSO4 + (NH4)2S = (NH4)2SO4 + CuS =>
CuSO4 + (NH4)2S = (NH4)2SO4 + CuS
LiCl(aq) + K3PO4(aq) = Li3PO4(aq) + KCl(aq) =>
3 LiCl(aq) + K3PO4(aq) = Li3PO4(aq) + 3 KCl(aq)
Cd + H2SO4 = CdSO4 + H2 =>
Cd + H2SO4 = CdSO4 + H2
K2MnO4 + HClO = MnO4 + KClO3 + KOH + HCl =>
K2MnO4 + 4 HClO = MnO4 + KClO3 + KOH + 3 HCl
FeSO4 + HNO4 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
10 FeSO4 + 2 HNO4 + 5 H2SO4 = 5 Fe2(SO4)3 + 2 NO + 6 H2O
CO2 + Ca(OH)2 = CaCO3 + H2O =>
CO2 + Ca(OH)2 = CaCO3 + H2O
S2O8{2-} + Cl2 + H2O = SO4{2-} + ClO3{-} + H{+} =>
5 S2O8{2-} + Cl2 + 6 H2O = 10 SO4{2-} + 2 ClO3{-} + 12 H{+}
S + CI = SCI =>
S + CI = SCI
AlI3 + BaS = AlS + BaI3 =>
AlI3 + BaS = AlS + BaI3
Sn(NO3)2 + Li2S = SnS + LiNO3 =>
Sn(NO3)2 + Li2S = SnS + 2 LiNO3
OH{-} + MnO4{-} = MnO4{2-} + O2 + H2O =>
4 OH{-} + 4 MnO4{-} = 4 MnO4{2-} + O2 + 2 H2O
C8H18(g) + O2 = CO2(g) + H2O =>
2 C8H18(g) + 25 O2 = 16 CO2(g) + 18 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
FeO + Na2O = Na4FeO3 =>
FeO + 2 Na2O = Na4FeO3
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
I2 + HSO3{-} + H2O = I{-} + SO4{2-} + H{+} =>
I2 + HSO3{-} + H2O = 2 I{-} + SO4{2-} + 3 H{+}
H{+} + CrO7{2-} + C2H5OH = Cr{3+} + CH3COOH + H2O =>
20 H{+} + 4 CrO7{2-} + 9 C2H5OH = 4 Cr{3+} + 9 CH3COOH + 19 H2O
Zn(H2PO4)2 = Zn3(PO4)2 + H3PO4 =>
3 Zn(H2PO4)2 = Zn3(PO4)2 + 4 H3PO4
C20H7O + O2 = CO2 + H2O =>
4 C20H7O + 85 O2 = 80 CO2 + 14 H2O
Pd + H3PO4 = Pd3(PO4)4 + H2 =>
3 Pd + 4 H3PO4 = Pd3(PO4)4 + 6 H2
K(s) + HBr(aq) = KBr(aq) + H2(g) =>
2 K(s) + 2 HBr(aq) = 2 KBr(aq) + H2(g)
Na2B4O7 + C2H5OH + H2SO4 = Na2SO4 + B(OC2H5)3 + H2O =>
Na2B4O7 + 12 C2H5OH + H2SO4 = Na2SO4 + 4 B(OC2H5)3 + 7 H2O
Cl2Fe + Cl2 = FeCl3 =>
2 Cl2Fe + Cl2 = 2 FeCl3
K2CrO4(aq) + H2SO4(aq) = K2SO4(aq) + H2CrO4(aq) =>
K2CrO4(aq) + H2SO4(aq) = K2SO4(aq) + H2CrO4(aq)
Tl + HI = TlI3 + H2 =>
2 Tl + 6 HI = 2 TlI3 + 3 H2
FeBr2 + HNO3 = Fe(NO3)2 + HBr =>
FeBr2 + 2 HNO3 = Fe(NO3)2 + 2 HBr
Pb(NO3)2 + AgNO3 = PbAg + (NO3)3 =>
Pb(NO3)2 + AgNO3 = PbAg + (NO3)3
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
NH4CO3 + HNO3 = (NH4)(NO3) + H2O + CO2 =>
8 NH4CO3 + 6 HNO3 = 7(NH4)(NO3) + 5 H2O + 8 CO2
Ra(OH)2 + HCl = H2O + RaCl2 =>
Ra(OH)2 + 2 HCl = 2 H2O + RaCl2
Se{2-} + H{+} = HSe{-} =>
Se{2-} + H{+} = HSe{-}
VSO4 = VSO3 + O2 =>
2 VSO4 = 2 VSO3 + O2
Zn(s) + MnO2(s) + H2O(l) = Zn(OH)2(s) + Mn2O3(s) =>
Zn(s) + 2 MnO2(s) + H2O(l) = Zn(OH)2(s) + Mn2O3(s)
N2O + K2Cr2O7 + H2SO4 = HNO3 + Cr2(SO4)3 + K2SO4 + H2O =>
3 N2O + 4 K2Cr2O7 + 16 H2SO4 = 6 HNO3 + 4 Cr2(SO4)3 + 4 K2SO4 + 13 H2O
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4(aq) + NH3(aq) + H2O(l) =>
(NH4)2SO4(aq) + Ca(OH)2(aq) = CaSO4(aq) + 2 NH3(aq) + 2 H2O(l)
GaBr = Ga + Br =>
GaBr = Ga + Br
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/27/24
Équations équilibrées sur11/26/23
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