| Équations équilibrées la veille |
Ag(NH3)2Br + Na2S2O3 = AgS2O3 + NaBr + Na(NH3)2
CrI3 + KOH + Br2 = K2CrO4 + KIO3 + KBr + H2O =>
2 CrI3 + 52 KOH + 21 Br2 = 2 K2CrO4 + 6 KIO3 + 42 KBr + 26 H2O
C2H3Cl3 + O2 = CO2 + H2O + Cl2 =>
4 C2H3Cl3 + 11 O2 = 8 CO2 + 6 H2O + 6 Cl2
K4Fe(CN)6 + H2(SO4) + H2O = K2(SO4) + Fe(SO4) + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2(SO4) + 6 H2O = 2 K2(SO4) + Fe(SO4) + 3(NH4)2SO4 + 6 CO
Cu + KCN + H2O = K(Cu(CN)2) + KOH + H2 =>
2 Cu + 4 KCN + 2 H2O = 2 K(Cu(CN)2) + 2 KOH + H2
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
O2 + CH2O = CO2 + H2O =>
O2 + CH2O = CO2 + H2O
Mg + Fe(C2H3O2)3 = Mg(C2H3O2)2 + Fe =>
3 Mg + 2 Fe(C2H3O2)3 = 3 Mg(C2H3O2)2 + 2 Fe
Nd2O3 + TiO2 = Nd2TiO5 =>
Nd2O3 + TiO2 = Nd2TiO5
Fe(s) + H2SO4(ac) = FeSO4 + H2 =>
Fe(s) + H2SO4(ac) = FeSO4 + H2
Fe + (CO3)3 = Fe2O3 + CO2 =>
2 Fe + (CO3)3 = Fe2O3 + 3 CO2
PbCl2(s) + Mn2(s) = MnCl2(aq) + Pb(s) =>
2 PbCl2(s) + Mn2(s) = 2 MnCl2(aq) + 2 Pb(s)
Cu(NO3)2 + HCl + TAA = Cu + HNO3 + ClTAA =>
Cu(NO3)2 + 2 HCl + 2 TAA = Cu + 2 HNO3 + 2 ClTAA
CO2(g) + H2O(l) + NH3(g) + Na(aq) = NaHCO3(s) + NH4(aq) =>
CO2(g) + H2O(l) + NH3(g) + Na(aq) = NaHCO3(s) + NH4(aq)
Fe{+3} + H2S = FeS + S + H{+} =>
2 Fe{+3} + 3 H2S = 2 FeS + S + 6 H{+}
NiCl2 + Na2CO3 = NiCO3 + Na2Cl2 =>
NiCl2 + Na2CO3 = NiCO3 + Na2Cl2
COOHCOOH + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
5 COOHCOOH + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
H2SO4 + OH = SO4 + H2O =>
H2SO4 + 2 OH = SO4 + 2 H2O
HS + O2 = SO2 + H2O =>
4 HS + 5 O2 = 4 SO2 + 2 H2O
(NH4)2SO4(aq) + KOH(aq) = NH3(g) + K2SO4(aq) + H2O(l) =>
(NH4)2SO4(aq) + 2 KOH(aq) = 2 NH3(g) + K2SO4(aq) + 2 H2O(l)
P2O5 + I2 = I2O7 + P4 =>
14 P2O5 + 10 I2 = 10 I2O7 + 7 P4
Cu(NO3)2*3H2O + C6H8O7 = CuO + CO2 + H2O + N2 =>
9 Cu(NO3)2*3H2O + 5 C6H8O7 = 9 CuO + 30 CO2 + 47 H2O + 9 N2
ZnCl2 + Pb(NO3)2 = Zn(NO3)2 + PbCl2 =>
ZnCl2 + Pb(NO3)2 = Zn(NO3)2 + PbCl2
CuSO4(s) + HCl(aq) = CuCl2(aq) + H2SO4(aq) =>
CuSO4(s) + 2 HCl(aq) = CuCl2(aq) + H2SO4(aq)
Pb(NO3)4 + KI = KNO3 + PbI4 =>
Pb(NO3)4 + 4 KI = 4 KNO3 + PbI4
C3H7Cl + Cl2 = C3H5Cl3 + HCl =>
C3H7Cl + 2 Cl2 = C3H5Cl3 + 2 HCl
NaCl(aq) + AgNO3 = NaNO3 + AgCl(s) =>
NaCl(aq) + AgNO3 = NaNO3 + AgCl(s)
Me2O3 + H2SO4 = Me2(SO4)3 + H2O =>
Me2O3 + 3 H2SO4 = Me2(SO4)3 + 3 H2O
CH2Cl + O2 = CO2 + H2O + Cl2 =>
2 CH2Cl + 3 O2 = 2 CO2 + 2 H2O + Cl2
(NH4)2SO4 + Ba(OH)2 = BaSO4 + NH3 + H2O =>
(NH4)2SO4 + Ba(OH)2 = BaSO4 + 2 NH3 + 2 H2O
(NH4)2S(s) = NH3(g) + H2S(g) =>
(NH4)2S(s) = 2 NH3(g) + H2S(g)
Al2(SO4)3 + CaPO4 = Al2(PO4)3 + CaSO4 =>
Al2(SO4)3 + 3 CaPO4 = Al2(PO4)3 + 3 CaSO4
H2O + K2TeO3 + NaX = TeX4 + NaOH + KOH =>
3 H2O + K2TeO3 + 4 NaX = TeX4 + 4 NaOH + 2 KOH
FeCl2 + NH4ClO3 = Fe(ClO3)2 + NH4Cl =>
FeCl2 + 2 NH4ClO3 = Fe(ClO3)2 + 2 NH4Cl
Zn(OH)2 + NH4Cl + NH4OH = Zn(NH3)4Cl2 + H2O =>
Zn(OH)2 + 2 NH4Cl + 2 NH4OH = Zn(NH3)4Cl2 + 4 H2O
FeCl2 + NH4OH = Fe(OH)2 + NH4Cl =>
FeCl2 + 2 NH4OH = Fe(OH)2 + 2 NH4Cl
K2Cr2O7 + HBr = CrBr2 + Br + KBr + H2O =>
K2Cr2O7 + 14 HBr = 2 CrBr2 + 8 Br + 2 KBr + 7 H2O
Ca3P2 + KMnO4 + H2O = Ca(H2PO4)2 + MnO2 + KOH + Ca(OH)2 =>
3 Ca3P2 + 16 KMnO4 + 20 H2O = 3 Ca(H2PO4)2 + 16 MnO2 + 16 KOH + 6 Ca(OH)2
Cu5FeS4 + O2 = Cu2S + FeS + SO2 =>
2 Cu5FeS4 + O2 = 5 Cu2S + 2 FeS + SO2
Cr(OH)3 + HClO2 = Cr(ClO2)3 + H2O =>
Cr(OH)3 + 3 HClO2 = Cr(ClO2)3 + 3 H2O
Na2SiO3 + HCl = SiO2*H2O + NaCl =>
Na2SiO3 + 2 HCl = SiO2*H2O + 2 NaCl
CaCO3(s) + CO2(aq) + H2O(l) = Ca(HCO3)2(aq) =>
CaCO3(s) + CO2(aq) + H2O(l) = Ca(HCO3)2(aq)
C2H5OH + HCl = H2O + C2H5Cl =>
C2H5OH + HCl = H2O + C2H5Cl
Be2 + KOH = KBe + KBeO + H2O =>
Be2 + 2 KOH = KBe + KBeO + H2O
BaBr2 + K3PO4 = KBr + Ba3(PO4)2 =>
3 BaBr2 + 2 K3PO4 = 6 KBr + Ba3(PO4)2
CrO4{2-} + S{2-} + H2O = S + CrO2{-} + OH{-} =>
2 CrO4{2-} + 3 S{2-} + 4 H2O = 3 S + 2 CrO2{-} + 8 OH{-}
Li + As = Li3As =>
3 Li + As = Li3As
PbNO3(aq) + KI(aq) = KNO3(aq) + PbI(s) =>
PbNO3(aq) + KI(aq) = KNO3(aq) + PbI(s)
AlPO4 + Mg(NO3)2 = Al(NO3)3 + Mg3(PO4)2 =>
2 AlPO4 + 3 Mg(NO3)2 = 2 Al(NO3)3 + Mg3(PO4)2
C6H6CO2 + KOH = C6H5CO2K + H2O =>
C6H6CO2 + KOH = C6H5CO2K + H2O
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