| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 HNS + 5 O2 = 2 H2O + 2 N2 + 4 SO2
Li(s)H2O(l) = LiOH(aq) + H2(g) =>
2 Li(s)H2O(l) = 2 LiOH(aq) + H2(g)
Co(NO3)2 + NH4NCS = (NH4)2[Co(SCN)4] + NH4NO3 =>
Co(NO3)2 + 4 NH4NCS = (NH4)2[Co(SCN)4] + 2 NH4NO3
CH3CHO + K2CrO7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
9 CH3CHO + 10 K2CrO7 + 25 H2SO4 = 18 CO2 + 5 Cr2(SO4)3 + 10 K2SO4 + 43 H2O
KI + AgNO3* = AgI + KNO3 =>
KI + AgNO3* = AgI + KNO3
AgSO4 + BaCl = AgCl + BaSO4 =>
AgSO4 + BaCl = AgCl + BaSO4
CH3CCH + KMnO4 + KOH = K2MnO4 + CH3COOK + H2O =>
2 CH3CCH + 8 KMnO4 + 11 KOH = 8 K2MnO4 + 3 CH3COOK + 5 H2O
KMnO4 + Cr2(SO4)3 + KOH = K2MnO4 + K2CrO4 + H2O + K2SO4 =>
6 KMnO4 + Cr2(SO4)3 + 16 KOH = 6 K2MnO4 + 2 K2CrO4 + 8 H2O + 3 K2SO4
Mn(OH)2 + FeCl3 = Fe(OH)3 + MnCl2 =>
3 Mn(OH)2 + 2 FeCl3 = 2 Fe(OH)3 + 3 MnCl2
NaHCO3 + Ca(H2PO4)2 = Ca3(PO4)2 + Na2HPO4 + H2O + CO2 =>
8 NaHCO3 + 3 Ca(H2PO4)2 = Ca3(PO4)2 + 4 Na2HPO4 + 8 H2O + 8 CO2
BiCl3 + K2[Sn(OH)4] + KOH = K3[Sn(OH)6] + KCl + Bi =>
BiCl3 + 3 K2[Sn(OH)4] + 6 KOH = 3 K3[Sn(OH)6] + 3 KCl + Bi
CuSO4 + Na2CO3 + H2O = (CuOH)2CO3 + CO2 + Na2SO4 =>
2 CuSO4 + 2 Na2CO3 + H2O = (CuOH)2CO3 + CO2 + 2 Na2SO4
SiO4 = SiO2 + O2 =>
SiO4 = SiO2 + O2
C7H15OH(l) + O2(g) = CO2(g) + H2O(l) =>
2 C7H15OH(l) + 21 O2(g) = 14 CO2(g) + 16 H2O(l)
Al2O2 + Fe = Al + FeO =>
Al2O2 + 2 Fe = 2 Al + 2 FeO
Rb(OH) + BaBr2 = RbBr + Ba(OH)2 =>
2 Rb(OH) + BaBr2 = 2 RbBr + Ba(OH)2
F2(g) + H2O(l) = HF(g) + O2(g) =>
2 F2(g) + 2 H2O(l) = 4 HF(g) + O2(g)
Na3PO4 + HCI = NaCI + H3PO4 = =>
Na3PO4 + 3 HCI = 3 NaCI + H3PO4
O3 = O2 =>
2 O3 = 3 O2
Rb(OH) + BaBr2 = RbBr + Ba(OH)2 =>
2 Rb(OH) + BaBr2 = 2 RbBr + Ba(OH)2
C2H5Cl + CH3MgCl = C3H8 + MgCl2 =>
C2H5Cl + CH3MgCl = C3H8 + MgCl2
Rb(OH) + BaBr2 = RbBr + Ba(OH)2 =>
2 Rb(OH) + BaBr2 = 2 RbBr + Ba(OH)2
Silver + oxygen = silveroxide =>
4 Ag + O2 = 2 Ag2O
CH3OH + CrO3 = Cr2O3 + CO2 + H2O =>
CH3OH + 2 CrO3 = Cr2O3 + CO2 + 2 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
CuSO4 + NaOH = Cu(OH)2(skyblueprecipitation) + Na(aq) + SO4(aq) =>
CuSO4 + 2 NaOH = Cu(OH)2(skyblueprecipitation) + 2 Na(aq) + SO4(aq)
Cr(OH)3 + HNO3 = Cr(NO3)3 + H2O =>
Cr(OH)3 + 3 HNO3 = Cr(NO3)3 + 3 H2O
Zn + H2SO4 + K3[Fe(CN)6] = Zn3[Fe(CN)6] + K3SO4 + H2 =>
3 Zn + H2SO4 + K3[Fe(CN)6] = Zn3[Fe(CN)6] + K3SO4 + H2
Na3PO4 + HCI = NaCI + H3PO4 = =>
Na3PO4 + 3 HCI = 3 NaCI + H3PO4
SbCl3 + H2O = SbOHCl2 + HCl =>
SbCl3 + H2O = SbOHCl2 + HCl
Mg + O = MgO =>
Mg + O = MgO
FeS + KOH = FeS(OH)K =>
FeS + KOH = FeS(OH)K
PH3(g) + Cl2 = PCl3 + HCl =>
PH3(g) + 3 Cl2 = PCl3 + 3 HCl
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Ca(OH)2 = Ca + OH =>
Ca(OH)2 = Ca + 2 OH
Al(OH)3 + HFeO2 = Al(FeO2)3 + H2O =>
Al(OH)3 + 3 HFeO2 = Al(FeO2)3 + 3 H2O
HCl(dil) + Fe = H + FeCl =>
HCl(dil) + Fe = H + FeCl
C12H26(g) + O2(g) = CO2(g) + H2O(g) =>
2 C12H26(g) + 37 O2(g) = 24 CO2(g) + 26 H2O(g)
Zn3(PO4)2 + AlCl3 = ZnCl2 + Al(PO4) =>
Zn3(PO4)2 + 2 AlCl3 = 3 ZnCl2 + 2 Al(PO4)
Al2O2 + Fe = Al + FeO =>
Al2O2 + 2 Fe = 2 Al + 2 FeO
Zn + KCN + H2O = K2Zn(CN)4 + KOH + H2 =>
Zn + 4 KCN + 2 H2O = K2Zn(CN)4 + 2 KOH + H2
AlBr3 + Cl2 = Al2(Cl)3 + Br2 =>
4 AlBr3 + 3 Cl2 = 2 Al2(Cl)3 + 6 Br2
Ag{+} + CO3{2-} = Ag2CO3 =>
2 Ag{+} + CO3{2-} = Ag2CO3
Pb(NO3)2 + FeCl3 = PbCl2 + Fe(NO3)3 =>
3 Pb(NO3)2 + 2 FeCl3 = 3 PbCl2 + 2 Fe(NO3)3
C + O2 = CO2 =>
C + O2 = CO2
HF + O2 = F2 + H2O =>
4 HF + O2 = 2 F2 + 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C + O2 = CO2 =>
C + O2 = CO2
RbOH + Cu(NO3)2 = RbNO3 + Cu(OH)2 =>
2 RbOH + Cu(NO3)2 = 2 RbNO3 + Cu(OH)2
Ba{2+} + CO3{2-} = BaCO3 =>
Ba{2+} + CO3{2-} = BaCO3
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Équations équilibrées sur10/20/24
Équations équilibrées sur11/19/23
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