| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cd(OH)2 + Na2CO3 = 2 NaOH + CdCO3
Fe(OH)3 + AgNO3 + H4N2 = AgFe + HNO3 + H2O =>
7 Fe(OH)3 + 7 AgNO3 + 2 H4N2 = 7 AgFe + 11 HNO3 + 9 H2O
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
KNO2 + Cl2 + KOH = KCl + KNO3 + H2O =>
KNO2 + Cl2 + 2 KOH = 2 KCl + KNO3 + H2O
Li2SO3 + HCl = SO2 + H2O + LiCl =>
Li2SO3 + 2 HCl = SO2 + H2O + 2 LiCl
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
KNO2 + Cl2 + KOH = KCl + KNO3 + H2O =>
KNO2 + Cl2 + 2 KOH = 2 KCl + KNO3 + H2O
CuCN + KCN = K2(Cu(CN)3) =>
CuCN + 2 KCN = K2(Cu(CN)3)
Cr(OH)3(s) + HNO3 = Cr(NO3)3 + H2O =>
Cr(OH)3(s) + 3 HNO3 = Cr(NO3)3 + 3 H2O
NH4Cl + CaO = NH3 + CaCl2*H2O =>
2 NH4Cl + CaO = 2 NH3 + CaCl2*H2O
BiI3 + KI = BiI4 + K =>
BiI3 + KI = BiI4 + K
C5H5N5O + O2 = CO2 + NO3 + H2O =>
4 C5H5N5O + 53 O2 = 20 CO2 + 20 NO3 + 10 H2O
NaCl + HCl = Cl2 + NaH =>
NaCl + HCl = Cl2 + NaH
Ba(NO3)2 + H3(PO4) = Ba3(PO4)2 + HNO3 =>
3 Ba(NO3)2 + 2 H3(PO4) = Ba3(PO4)2 + 6 HNO3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
[CoCl4] + H2O = [Co(H2O)6]2 + Cl =>
2[CoCl4] + 12 H2O = [Co(H2O)6]2 + 8 Cl
HBr(aq) + Ca(OH)2(aq) = H2O(l) + Ca(Br)2(aq) =>
2 HBr(aq) + Ca(OH)2(aq) = 2 H2O(l) + Ca(Br)2(aq)
C8H5NO6 + KOH = C8H3NO6K2 + H2O =>
C8H5NO6 + 2 KOH = C8H3NO6K2 + 2 H2O
N2O2 = NNO2 =>
N2O2 = NNO2
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
Na2S + W3N7 = Na3N + W2S7 =>
21 Na2S + 2 W3N7 = 14 Na3N + 3 W2S7
Pb(NO3)2 + (NH4)2(SO4) = Pb(SO4) + NH4(NO3) =>
Pb(NO3)2 + (NH4)2(SO4) = Pb(SO4) + 2 NH4(NO3)
K2MnO4 + H2S + H2O = K2S + MnH2 + H2O4 =>
3 K2MnO4 + 3 H2S + 4 H2O = 3 K2S + 3 MnH2 + 4 H2O4
HClO4 + CdO = Cd(ClO4)2 + H2O =>
2 HClO4 + CdO = Cd(ClO4)2 + H2O
K3N + H2O = NH3 + KOH =>
K3N + 3 H2O = NH3 + 3 KOH
PbO + KOH + H2O = KPbO3H3 =>
PbO + KOH + H2O = KPbO3H3
HgCl + H2 = Hg + HCl =>
2 HgCl + H2 = 2 Hg + 2 HCl
Al(OH)3 + Pb = Al + Pb(OH)2 =>
2 Al(OH)3 + 3 Pb = 2 Al + 3 Pb(OH)2
H3PO4 + Ca(OH)2 = Ca5(PO4)3(OH) + H2O =>
3 H3PO4 + 5 Ca(OH)2 = Ca5(PO4)3(OH) + 9 H2O
C6H12N4 + CoCl2*6H2O + H2O = (C6H12N4)2CoCl2*10H2O =>
2 C6H12N4 + CoCl2*6H2O + 4 H2O = (C6H12N4)2CoCl2*10H2O
CrO4{2-}(aq) + H2O(l) + HSnO2{-} = CrO2{-}(aq) + OH{-}(aq) + HSnO3{-}(aq) =>
2 CrO4{2-}(aq) + H2O(l) + 3 HSnO2{-} = 2 CrO2{-}(aq) + 2 OH{-}(aq) + 3 HSnO3{-}(aq)
H2SO4 + CaOH = Ca2SO4 + H2O =>
H2SO4 + 2 CaOH = Ca2SO4 + 2 H2O
Mg + CaCl2 = MgCl2 + Ca =>
Mg + CaCl2 = MgCl2 + Ca
FeV2O4 + Na2CO3 + O2 = NaVO3 + Fe2O3 + CO2 =>
4 FeV2O4 + 4 Na2CO3 + 5 O2 = 8 NaVO3 + 2 Fe2O3 + 4 CO2
Al(HCO3)3 + H2SO4 = Al2(SO4)3 + H2O + CO2 =>
2 Al(HCO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O + 6 CO2
H{+} + Cr2O7{-}2 + Cl{-} = Cr{+3} + Cl2 + H2O =>
28 H{+} + 2 Cr2O7{-}2 + 14 Cl{-} = 4 Cr{+3} + 7 Cl2 + 14 H2O
Cu + K2CO3 = K + Cu2CO3 =>
2 Cu + K2CO3 = 2 K + Cu2CO3
Ag(NO3)2 + K2CrO4 = AgCrO4 + K2(NO3)2 =>
Ag(NO3)2 + K2CrO4 = AgCrO4 + K2(NO3)2
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
NaOH + NH4Fe(SO4)2*12H2O = Fe(OH)3 + Na2SO4 + NH3 + H2O =>
4 NaOH + NH4Fe(SO4)2*12H2O = Fe(OH)3 + 2 Na2SO4 + NH3 + 13 H2O
Na2S2O3 + HClO + H2O = H2SO4 + NaCl + HCl =>
Na2S2O3 + 4 HClO + H2O = 2 H2SO4 + 2 NaCl + 2 HCl
P{5+} + Cl{-} = PCl5 =>
P{5+} + 5 Cl{-} = PCl5
Al(NO3) + NaCl = Na(NO3) + AlCl =>
Al(NO3) + NaCl = Na(NO3) + AlCl
Ca + Zn3(PO4)2 = Zn + Ca3(PO4)2 =>
3 Ca + Zn3(PO4)2 = 3 Zn + Ca3(PO4)2
MgCl{-}2 + AgNO{-}3 = Mg(NO{-}3){-}2 + AgCl =>
MgCl{-}2 + AgNO{-}3 = Mg(NO{-}3){-}2 + AgCl
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
CaCl2(ag) + Na2CO3(ag) = CaCO3(s) + NaCl(ag) =>
CaCl2(ag) + Na2CO3(ag) = CaCO3(s) + 2 NaCl(ag)
C6H12N4 + NiCl2*6H2O + H2O = (C6H12N4)2NiCl2*10H2O =>
2 C6H12N4 + NiCl2*6H2O + 4 H2O = (C6H12N4)2NiCl2*10H2O
NH4CHO2 = HCN + H2O =>
NH4CHO2 = HCN + 2 H2O
Ag + Na2S = Ag2S + Na1 =>
2 Ag + Na2S = Ag2S + 2 Na1
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Équations équilibrées sur11/23/24
Équations équilibrées sur12/23/23
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