| Équations équilibrées la veille |
P4 + 3 NaOH + 3 H2O = 3 NaH2PO2 + PH3
OF2 + NaOH = NaF + O2 + H2O =>
OF2 + 2 NaOH = 2 NaF + O2 + H2O
Cr(OH)3 + H2O2 + OH{-} = CrO4{2-} + H2O =>
2 Cr(OH)3 + 3 H2O2 + 4 OH{-} = 2 CrO4{2-} + 8 H2O
Sr(NO3)2 + Al(NO3)39H2O + (NH2)2CO = Sr3Al2O6 + H2O + CO2 + N2 =>
3 Sr(NO3)2 + 2 Al(NO3)39H2O + 82.000000000001(NH2)2CO = Sr3Al2O6 + 166 H2O + 82.000000000001CO2 + 124 N2
Al + MgCl2 + H2O = AlCl3 + MgOH + H2 =>
4 Al + 6 MgCl2 + 6 H2O = 4 AlCl3 + 6 MgOH + 3 H2
Fe(NO3)2 + NaOH = Fe(OH) + Na(NO3)2 =>
Fe(NO3)2 + NaOH = Fe(OH) + Na(NO3)2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KO2 + S = K2SO4 =>
2 KO2 + S = K2SO4
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CuCl2 + H2SO4 = CuSO4 + H2Cl2 =>
CuCl2 + H2SO4 = CuSO4 + H2Cl2
KBr(aq) + AgNo3(aq) = KNo3(aq) + AgBr(s) =>
KBr(aq) + AgNo3(aq) = KNo3(aq) + AgBr(s)
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
Cr + Al = CrAl =>
Cr + Al = CrAl
KBr(aq) + AgNo3(aq) = KNo3(aq) + AgBr(s) =>
KBr(aq) + AgNo3(aq) = KNo3(aq) + AgBr(s)
Fe3(PO4)2 + H2O = Fe(OH)2 + H3PO4 =>
Fe3(PO4)2 + 6 H2O = 3 Fe(OH)2 + 2 H3PO4
Br2 + Ca(OH)2 = CaBr2 + Ca(BrO3)2 + H2O =>
6 Br2 + 6 Ca(OH)2 = 5 CaBr2 + Ca(BrO3)2 + 6 H2O
SO2 + H2O = H2SO4 + H =>
SO2 + 2 H2O = H2SO4 + 2 H
H + Cu + O2 = Cu(OH)2 =>
2 H + Cu + O2 = Cu(OH)2
BaS + MnCl2 = BaCl2 + MnS =>
BaS + MnCl2 = BaCl2 + MnS
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Mg(OH)2 + H = Mg + H2O =>
Mg(OH)2 + 2 H = Mg + 2 H2O
K2SO3 + KMnO4 + H2O = K2SO4 + MnO2 + KOH =>
3 K2SO3 + 2 KMnO4 + H2O = 3 K2SO4 + 2 MnO2 + 2 KOH
MnO2 + HCl = MnCl2(s) + Cl2(s) + H2O =>
MnO2 + 4 HCl = MnCl2(s) + Cl2(s) + 2 H2O
SrS + K3PO4 = Sr3(PO4)2 + K2S =>
3 SrS + 2 K3PO4 = Sr3(PO4)2 + 3 K2S
Pb(SO4)2 + Al(C2H3O2)3 = Al2(SO4)3 + Pb(C2H3O2)4 =>
3 Pb(SO4)2 + 4 Al(C2H3O2)3 = 2 Al2(SO4)3 + 3 Pb(C2H3O2)4
NH4Cl + Ca(OH)2 = CaCl2 + H3N + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 H3N + 2 H2O
Na4 + Si = Na4Si =>
Na4 + Si = Na4Si
CuCl2 + Ca(NO3)2 = CaCl2 + Cu(NO3)2 =>
CuCl2 + Ca(NO3)2 = CaCl2 + Cu(NO3)2
H2 + SO4 + Fe(OH)3 = Fe2(SO)4 + H2O =>
15 H2 + 4 SO4 + 2 Fe(OH)3 = Fe2(SO)4 + 18 H2O
KCl + Pb(ClO3)2 = PbCl2 + KClO3 =>
2 KCl + Pb(ClO3)2 = PbCl2 + 2 KClO3
Ni(NO3)2 + K(FeCN6)3 = Ni(FeCN6)2 + K(NO3)3 =>
3 Ni(NO3)2 + 2 K(FeCN6)3 = 3 Ni(FeCN6)2 + 2 K(NO3)3
NaBO3 + H2O = Na2B4O7 + NaOH + H2O2 =>
4 NaBO3 + 5 H2O = Na2B4O7 + 2 NaOH + 4 H2O2
Cr2(SO4)3 + Al3 = Al2(SO4)3 + Cr =>
3 Cr2(SO4)3 + 2 Al3 = 3 Al2(SO4)3 + 6 Cr
SH2 + O2 = H2O + SO =>
SH2 + O2 = H2O + SO
CuSO4*5H2O + SrCl2*6H2O = CuCl2 + SrSO4 + H2O =>
CuSO4*5H2O + SrCl2*6H2O = CuCl2 + SrSO4 + 11 H2O
NH2OH + Mg + HCl = NH3 + MgCl2 + H2O =>
NH2OH + Mg + 2 HCl = NH3 + MgCl2 + H2O
Zn + HON3 = Zn(NO3)2 + N2 + H2O =>
Zn + 12 HON3 = Zn(NO3)2 + 17 N2 + 6 H2O
AlF3 + CaO = Al2O3 + CaF2 =>
2 AlF3 + 3 CaO = Al2O3 + 3 CaF2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Li2S + H2O = LiOH + H2S =>
Li2S + 2 H2O = 2 LiOH + H2S
SO2 + FeCl2 + HCl = FeCl3 + S + H2O =>
SO2 + 4 FeCl2 + 4 HCl = 4 FeCl3 + S + 2 H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
NaNO3 + PbO = Na2O + Pb(NO3)2 =>
2 NaNO3 + PbO = Na2O + Pb(NO3)2
Ba(OH)2 + HNO3 = Ba(NO3)2 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
KMnO4 + N2H4 = MnO2 + N2 + K + H2O =>
KMnO4 + N2H4 = MnO2 + N2 + K + 2 H2O
Mg + HCe = MgCe2 + H2 =>
Mg + 2 HCe = MgCe2 + H2
SO2 + H3O{+} + e = S{2-} + H2O =>
SO2 + 4 H3O{+} + 6e = S{2-} + 6 H2O
HCN + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HCN + CuSO4 = H2SO4 + Cu(CN)2
NH3H2SO4 = NH3(SO4)H2 =>
NH3H2SO4 = NH3(SO4)H2
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