| Équations équilibrées la veille | Équations équilibrées le lendemain |
B(OH)3 + H2O = H5BO4
Ca(OH)2(aq) + HCl = CaCl2 + H2O =>
Ca(OH)2(aq) + 2 HCl = CaCl2 + 2 H2O
Ho + HCl = HoCl + H2 =>
2 Ho + 2 HCl = 2 HoCl + H2
K2O + H3PO4 = K3PO4 + H2O =>
3 K2O + 2 H3PO4 = 2 K3PO4 + 3 H2O
CH3NH2 + HClO3 = ClO3 + HCH3NH2 =>
CH3NH2 + HClO3 = ClO3 + HCH3NH2
Fe + H2C2O4 = Fe2(C2O4)3 + H2 =>
2 Fe + 3 H2C2O4 = Fe2(C2O4)3 + 3 H2
FeCl3 + Na3(PO4) = Fe(PO4) + Na3Cl3 =>
FeCl3 + Na3(PO4) = Fe(PO4) + Na3Cl3
Zn(NO3)2 + NiBr2 = ZnBr2 + Ni(NO3)2 =>
Zn(NO3)2 + NiBr2 = ZnBr2 + Ni(NO3)2
Ag + NH4OH = [Ag(NH3)2] + H2O =>
Ag + 2 NH4OH = [Ag(NH3)2] + 2 H2O
Si(s) + O2(g) = SiO2(s) =>
Si(s) + O2(g) = SiO2(s)
AlCl3 + Na2S = Al2S3 + NaCl =>
2 AlCl3 + 3 Na2S = Al2S3 + 6 NaCl
KNO3 + H2O2 = KOH + NHO4 =>
KNO3 + H2O2 = KOH + NHO4
Al + Br = AlBr3 =>
Al + 3 Br = AlBr3
Co + H2SO4 = CoSO4 + H2 =>
Co + H2SO4 = CoSO4 + H2
Pb + NaOH + H2O = Na2[Pb(OH)4] + H2 =>
Pb + 2 NaOH + 2 H2O = Na2[Pb(OH)4] + H2
Sb + H2S = Sb2S5 + H =>
2 Sb + 5 H2S = Sb2S5 + 10 H
P2S3 + HNO3 + H2O = H3PO4 + S + NO =>
3 P2S3 + 10 HNO3 + 4 H2O = 6 H3PO4 + 9 S + 10 NO
Ca(H2PO4)2 + NaOH = CaHPO4 + Na2HPO4 + H2O =>
Ca(H2PO4)2 + 2 NaOH = CaHPO4 + Na2HPO4 + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
KMnO4 + Al2(SO4)3 = K2(SO4) + Al(MnO4)3 =>
6 KMnO4 + Al2(SO4)3 = 3 K2(SO4) + 2 Al(MnO4)3
NO2 + H = NO + H2O =>
NO2 + 2 H = NO + H2O
Pb(s) + H2O(l) = PbO(s) + H2(g) =>
Pb(s) + H2O(l) = PbO(s) + H2(g)
K2Cr2O7 + H2O = KCrO4 + H =>
K2Cr2O7 + H2O = 2 KCrO4 + 2 H
PF5 = P4 + F2 =>
4 PF5 = P4 + 10 F2
P2O5 + OH = PO4 + H2O =>
P2O5 + 6 OH = 2 PO4 + 3 H2O
(Cr2O7)2{-} + H2S + H{+} = Cr3{+} + S + H2O =>
6(Cr2O7)2{-} + 77 H2S + 14 H{+} = 8 Cr3{+} + 77 S + 84 H2O
CO2 + HO2 = C2H5OH + O2 =>
4 CO2 + 12 HO2 = 2 C2H5OH + 15 O2
KSCN + H2O = K2O + HSCN =>
2 KSCN + H2O = K2O + 2 HSCN
MgCl2 + NH3 = MgNH3 + Cl =>
MgCl2 + NH3 = MgNH3 + 2 Cl
CH3COOH + Cr2O7{-2} + H{+} = CO2 + Cr{3+} + H2O =>
3 CH3COOH + 4 Cr2O7{-2} + 32 H{+} = 6 CO2 + 8 Cr{3+} + 22 H2O
C2H2 + KMnO4 = (COOK)2 + KOH + MnO2 + H2O =>
3 C2H2 + 8 KMnO4 = 3(COOK)2 + 2 KOH + 8 MnO2 + 2 H2O
CO2 + H2O + SO2 = C6H6OS + O2 =>
6 CO2 + 3 H2O + SO2 = C6H6OS + 8 O2
Nb + C = NbC =>
Nb + C = NbC
KI + Cu(SO4) = K2SO4 + CuI2 =>
2 KI + Cu(SO4) = K2SO4 + CuI2
C6H5OH + NO3 = CO2 + N2 + H2O =>
3 C6H5OH + 14 NO3 = 18 CO2 + 7 N2 + 9 H2O
Ca + Fe(NO3)2 = Ca(NO3)2 + Fe =>
Ca + Fe(NO3)2 = Ca(NO3)2 + Fe
(NH4)2C2O4 + AgNO3 = (NH4)2NO3 + AgC2O4 =>
(NH4)2C2O4 + AgNO3 = (NH4)2NO3 + AgC2O4
CuS + HCl = CuCl + HS =>
CuS + HCl = CuCl + HS
C6H5OH + HNO3 + H2SO4 = C6H3OHNO2SO3H + H2O =>
C6H5OH + HNO3 + H2SO4 = C6H3OHNO2SO3H + 2 H2O
NaOH + CH4 = Na + CO2 + H2O =>
8 NaOH + CH4 = 8 Na + CO2 + 6 H2O
Na2CO3 + HClO2 = NaH + CO3(ClO2)2 =>
Na2CO3 + 2 HClO2 = 2 NaH + CO3(ClO2)2
Be + HNO3 = Be(NO3)2 + N2O + H2O =>
4 Be + 10 HNO3 = 4 Be(NO3)2 + N2O + 5 H2O
CoCl2(aq) + Na2S(aq) = CoS + NaCl(aq) =>
CoCl2(aq) + Na2S(aq) = CoS + 2 NaCl(aq)
Fe2 + CuSO4 = FeSO4 + Cu2 =>
Fe2 + 2 CuSO4 = 2 FeSO4 + Cu2
KMnO4 + C8H10 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
42 KMnO4 + 5 C8H10 + 63 H2SO4 = 21 K2SO4 + 42 MnSO4 + 40 CO2 + 88 H2O
Au(OH)3 + H2SO4 = Au(OH)SO4 + H2O =>
Au(OH)3 + H2SO4 = Au(OH)SO4 + 2 H2O
CuO2 + Fe = FeO2 + Cu =>
CuO2 + Fe = FeO2 + Cu
H2SO4(aq) + CaCO3(s) = CaSO4(s) + H2CO3(aq) =>
H2SO4(aq) + CaCO3(s) = CaSO4(s) + H2CO3(aq)
C7H6O2 + NaOH = NaC6H5CO2 + H2O =>
C7H6O2 + NaOH = NaC6H5CO2 + H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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