| Équations équilibrées la veille |
K3PO4 + 3 HBr = H3PO4 + 3 KBr
HCOOH + KOH = KCOOH + H2O =>
HCOOH + KOH = KCOOH + H2O
P2 + H2 = PH3 =>
P2 + 3 H2 = 2 PH3
CaO + Na2O = Na2O2 + Ca =>
CaO + Na2O = Na2O2 + Ca
KBiO3 + MnSO4 + H2SO4 = K2SO4 + Mn2(SO4)3 + BiO + H2O =>
2 KBiO3 + 6 MnSO4 + 4 H2SO4 = K2SO4 + 3 Mn2(SO4)3 + 2 BiO + 4 H2O
C2H5COOH + CaCO3 = CO2 + H2O + (C2H5COOH)2Ca =>
15 C2H5COOH + 7 CaCO3 = 10 CO2 + 3 H2O + 7(C2H5COOH)2Ca
KNO3 + CO(NH2)2 = CO2 + N2 + H2O + KNO2 =>
3 KNO3 + CO(NH2)2 = CO2 + N2 + 2 H2O + 3 KNO2
C6H5CH3 + CH3COCl = C6H4CH3COCH3 + HCl =>
C6H5CH3 + CH3COCl = C6H4CH3COCH3 + HCl
C2H3Cl + O2 = CO2 + H2O + HCl =>
2 C2H3Cl + 5 O2 = 4 CO2 + 2 H2O + 2 HCl
C4H9NO2 + HNO2 = C4H9(NO2)2 + H2 =>
2 C4H9NO2 + 2 HNO2 = 2 C4H9(NO2)2 + H2
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
Ca(CIO)2 + KI + HCI = I2 + CaCI2 + H2O + KCI =>
Ca(CIO)2 + 5 KI + 4 HCI = 2 I2 + CaCI2 + 2 H2O + 5 KCI
Pb{2+} + Cr2O7{2-} + H2O = PbCrO4 + H3O{+} =>
2 Pb{2+} + Cr2O7{2-} + 3 H2O = 2 PbCrO4 + 2 H3O{+}
CuCl2 + Al2(SO4)3 = CuSO4 + AlCl3 =>
3 CuCl2 + Al2(SO4)3 = 3 CuSO4 + 2 AlCl3
MgCl2 + NH3*H2O = Mg(OH)2 + NH4Cl =>
MgCl2 + 2 NH3*H2O = Mg(OH)2 + 2 NH4Cl
Ca(CrO3)2 = Ca + CrO3 =>
Ca(CrO3)2 = Ca + 2 CrO3
Na3{+}PO4{3-} + Cu{2+}SO4{2-} = Na2{+}SO4{2-} + Cu3{2+}(PO4{3-})2 =>
8 Na3{+}PO4{3-} + 3 Cu{2+}SO4{2-} = 12 Na2{+}SO4{2-} + Cu3{2+}(PO4{3-})2
CrCl3 + NaClO3 + NaOH = NaCrO4 + NaCl + H2O =>
3 CrCl3 + 2 NaClO3 + 12 NaOH = 3 NaCrO4 + 11 NaCl + 6 H2O
NH4Cl + Ca(OH) = CaCl + NH3 + H2O =>
NH4Cl + Ca(OH) = CaCl + NH3 + H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
P4 + CdBr2 = Cd3P2 + Br =>
P4 + 6 CdBr2 = 2 Cd3P2 + 12 Br
PbCO3(s) + Na2S(aq) = PbS(s) + Na2CO3(aq) =>
PbCO3(s) + Na2S(aq) = PbS(s) + Na2CO3(aq)
CuO + C14H30 = Cu + CO2 + H2O =>
43 CuO + C14H30 = 43 Cu + 14 CO2 + 15 H2O
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
K2Cr2O7 + CH3CH2OH + H2O = Cr(OH)3 + KOH + CH3COOH =>
2 K2Cr2O7 + 3 CH3CH2OH + 5 H2O = 4 Cr(OH)3 + 4 KOH + 3 CH3COOH
NaCl + CaCl2 = Cl2 + Na2Ca =>
2 NaCl + CaCl2 = 2 Cl2 + Na2Ca
I3{-} + HSO3{-} + H2O = I{-} + H{+} + SO4{2-} =>
I3{-} + HSO3{-} + H2O = 3 I{-} + 3 H{+} + SO4{2-}
CS + S = CS2 =>
CS + S = CS2
P2O3 = P + O2 =>
2 P2O3 = 4 P + 3 O2
Cu(NO3)2 + Na2S = CuS + NaNO3 =>
Cu(NO3)2 + Na2S = CuS + 2 NaNO3
Cu{2+} + OH{-} = Cu(OH)2 =>
Cu{2+} + 2 OH{-} = Cu(OH)2
AlCl3 + CH3COONa + H2O = Al(OH)(CH3COO)2 + HCl + NaOH =>
AlCl3 + 2 CH3COONa + 3 H2O = Al(OH)(CH3COO)2 + 3 HCl + 2 NaOH
CH3OH(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3OH(l) + 3 O2(g) = 2 CO2(g) + 4 H2O(g)
N2 + H2 + O2 = HNO3 =>
N2 + H2 + 3 O2 = 2 HNO3
CuSO4(ac) + NaOH(ac) = Cu(OH)2(s) + Na2SO4(ac) =>
CuSO4(ac) + 2 NaOH(ac) = Cu(OH)2(s) + Na2SO4(ac)
Mg2(OH)2CO3 + Cu(NO3)2 = Cu2(OH)2CO3 + Mg(NO3)2 =>
Mg2(OH)2CO3 + 2 Cu(NO3)2 = Cu2(OH)2CO3 + 2 Mg(NO3)2
Pb(OH)2SO4 + Pb(OH)4 = (Pb(OH)3)2SO4 =>
Pb(OH)2SO4 + Pb(OH)4 = (Pb(OH)3)2SO4
NiCO3 + HNO3 = H2CO3 + Ni(NO3)2 =>
NiCO3 + 2 HNO3 = H2CO3 + Ni(NO3)2
LiH = Li + H =>
LiH = Li + H
Fe2O3(s) + HClO4(aq) = Fe(ClO4)3(aq) + H2O(l) =>
Fe2O3(s) + 6 HClO4(aq) = 2 Fe(ClO4)3(aq) + 3 H2O(l)
CH3OH + Cr2O7 + H{+} = CO2 + H2O + Cr3{+} =>
20 CH3OH + 9 Cr2O7 + 6 H{+} = 20 CO2 + 43 H2O + 6 Cr3{+}
Mg + Te = MgTe =>
Mg + Te = MgTe
KF + HNO3 = KNO3 + HF =>
KF + HNO3 = KNO3 + HF
C2H5Cl + O2 = CO2 + H2O + Cl2 =>
4 C2H5Cl + 13 O2 = 8 CO2 + 10 H2O + 2 Cl2
C6H5COOH + C3H8O = C10H12O2 + H2O =>
C6H5COOH + C3H8O = C10H12O2 + H2O
NaHSO4 + H3PO4 = NaH2SO4 + H2PO4 =>
NaHSO4 + H3PO4 = NaH2SO4 + H2PO4
HNO2 + Cd(OH)2 = H2O + Cd(NO2)2 =>
2 HNO2 + Cd(OH)2 = 2 H2O + Cd(NO2)2
Cu(OH)2 + KOH = K2(Cu(OH)4) =>
Cu(OH)2 + 2 KOH = K2(Cu(OH)4)
H2C2O4(aq) + Ca(OH)2(s) = CaOH(s) + H2O(l) + CO2(g) =>
H2C2O4(aq) + 2 Ca(OH)2(s) = 2 CaOH(s) + 2 H2O(l) + 2 CO2(g)
Mg + NHO3 = Mg(NO3)3 + NH4NO3 + H2O =>
8 Mg + 30 NHO3 = 8 Mg(NO3)3 + 3 NH4NO3 + 9 H2O
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