| Équations équilibrées la veille |
H2SO4 + 2 K(OH) = K2(SO4) + 2 H2O
(NH4)3PO4 + CrBr3 = NH4Br + CrPO4 =>
(NH4)3PO4 + CrBr3 = 3 NH4Br + CrPO4
Zn(NO3)2 + Li2O = ZnO + LiNO3 =>
Zn(NO3)2 + Li2O = ZnO + 2 LiNO3
C4H8(g) + O2(g) = CO2(g) + H2O(g) =>
C4H8(g) + 6 O2(g) = 4 CO2(g) + 4 H2O(g)
Sc + HBr = ScBr3 + H2 =>
2 Sc + 6 HBr = 2 ScBr3 + 3 H2
Mg + AlO3 = MgO + Al =>
3 Mg + AlO3 = 3 MgO + Al
Cu + Ag(NO3)3 = Ag + Cu(NO3)2 =>
3 Cu + 2 Ag(NO3)3 = 2 Ag + 3 Cu(NO3)2
O2(g) + K(s) + Mn(s) = KMnO4(s) =>
2 O2(g) + K(s) + Mn(s) = KMnO4(s)
FeCl3 + K(OH) = KCl + Fe(OH)3 =>
FeCl3 + 3 K(OH) = 3 KCl + Fe(OH)3
BF3 + NH3 = H3NBF3 =>
BF3 + NH3 = H3NBF3
Fe + Hg2(NO3)2 = Fe(NO3)3 + Hg =>
2 Fe + 3 Hg2(NO3)2 = 2 Fe(NO3)3 + 6 Hg
C7H16 + KMnO4 + H2O = C7H16O2 + KOH + MnO2 =>
3 C7H16 + 4 KMnO4 + 2 H2O = 3 C7H16O2 + 4 KOH + 4 MnO2
Mg + CO2 + O2 = MgCO3 =>
2 Mg + 2 CO2 + O2 = 2 MgCO3
Sr(OH)2 + CaS = SrS + Ca(OH)2 =>
Sr(OH)2 + CaS = SrS + Ca(OH)2
Na + F2 = NaF =>
2 Na + F2 = 2 NaF
HCI + CaCO3 = CaCI2 + H2O + CO =>
2 HCI + CaCO3 = CaCI2 + H2O + 2 CO
NiSO4 + AgCH3COO = Ni(CH3COO)2 + Ag2SO4 =>
NiSO4 + 2 AgCH3COO = Ni(CH3COO)2 + Ag2SO4
Al2O3 + H = Al3 + H2O =>
3 Al2O3 + 18 H = 2 Al3 + 9 H2O
K2S + HBr = KBr + H2S =>
K2S + 2 HBr = 2 KBr + H2S
Fe(s) + H2SO4(aq) = FeSO4 + H2 =>
Fe(s) + H2SO4(aq) = FeSO4 + H2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
NaN5 = Na + N2 =>
2 NaN5 = 2 Na + 5 N2
Cr2O72{-} + C2H6O + H{+} = Cr3{+} + C2H4O + H2O =>
6 Cr2O72{-} + 427 C2H6O + 10 H{+} = 4 Cr3{+} + 427 C2H4O + 432 H2O
H2SO4 + Pb(CH3COO)2 = PbSO4 + HCH3COO =>
H2SO4 + Pb(CH3COO)2 = PbSO4 + 2 HCH3COO
KHCO3 + O2 = KHCO5 =>
KHCO3 + O2 = KHCO5
IO3 + S2O5 = I2 + SO4 =>
2 IO3 + 2 S2O5 = I2 + 4 SO4
CrO + H = CrHO =>
CrO + H = CrHO
H2SO4 + Pb(C2H3O2)2 = Pb(SO4) + H(C2H3O2) =>
H2SO4 + Pb(C2H3O2)2 = Pb(SO4) + 2 H(C2H3O2)
Mg3N2 + Ca = Ca3N2 + Mg =>
Mg3N2 + 3 Ca = Ca3N2 + 3 Mg
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
H2O + Al + NaCl = NaOH + AlCl3 + H2 =>
6 H2O + 2 Al + 6 NaCl = 6 NaOH + 2 AlCl3 + 3 H2
CuSeO4 + Zn = Cu + ZnSeO4 =>
CuSeO4 + Zn = Cu + ZnSeO4
H2S + Nb2O5 = NbO2 + SO2 + H2 =>
H2S + 2 Nb2O5 = 4 NbO2 + SO2 + H2
BaCl2 + H2O = BaO + ClH =>
BaCl2 + H2O = BaO + 2 ClH
N2(g) + Br2(l) = NBr3(g) =>
N2(g) + 3 Br2(l) = 2 NBr3(g)
Mg + Ni{2+} = Mg{2+} + Ni =>
Mg + Ni{2+} = Mg{2+} + Ni
CuCl2 + HCl = [CuCl4] + H2 =>
CuCl2 + 2 HCl = [CuCl4] + H2
C8H18CH3OH + O2 = CO2 + H2O =>
C8H18CH3OH + 14 O2 = 9 CO2 + 11 H2O
Sn + Fe{3+} = Sn{2+} + Fe{2+} =>
Sn + 2 Fe{3+} = Sn{2+} + 2 Fe{2+}
KCl + Mg(OH)2 = KOH + MgCl2 =>
2 KCl + Mg(OH)2 = 2 KOH + MgCl2
ZI = Z + I =>
ZI = Z + I
CrBr3 + Na2SiO3 = Cr2(SiO3)3 + NaBr =>
2 CrBr3 + 3 Na2SiO3 = Cr2(SiO3)3 + 6 NaBr
MnO4{-} + I{-} + H{+} = MnO2 + IO3{-} + H2O =>
2 MnO4{-} + I{-} + 2 H{+} = 2 MnO2 + IO3{-} + H2O
H2PO4{-} + NaOH = Na{+} + HPO4{-2} + H2O =>
H2PO4{-} + NaOH = Na{+} + HPO4{-2} + H2O
Na(s) + H2O2(l) = Na2O2(aq) + H2(g) =>
2 Na(s) + H2O2(l) = Na2O2(aq) + H2(g)
N2O2 = N2O + O2 =>
2 N2O2 = 2 N2O + O2
CrO3 + Zn = ZnO + Cr =>
CrO3 + 3 Zn = 3 ZnO + Cr
Li + KOH = K + LiOH =>
Li + KOH = K + LiOH
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
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