| Équations équilibrées la veille |
4 C4H9S + 33 O2 = 16 CO2 + 4 SO4 + 18 H2O
S2O + HOH = SOH =>
S2O + HOH = 2 SOH
Be2 + OBr3 = BeBr + O2 =>
3 Be2 + 2 OBr3 = 6 BeBr + O2
H2H4 + N2O4 = N4 + H2O =>
8 H2H4 + 6 N2O4 = 3 N4 + 24 H2O
H + NO = H2O + N2 =>
4 H + 2 NO = 2 H2O + N2
MgO + Ni3(BO3)2 = NiO + Mg3(BO3)2 =>
3 MgO + Ni3(BO3)2 = 3 NiO + Mg3(BO3)2
MgBr2 + AgNO3 = AgBr + Mg(NO3)2 =>
MgBr2 + 2 AgNO3 = 2 AgBr + Mg(NO3)2
Pb(N3)2 + Cr(MnO4)2 = Cr2O3 + MnO2 + Pb3O4 + NO =>
15 Pb(N3)2 + 44 Cr(MnO4)2 = 22 Cr2O3 + 88 MnO2 + 5 Pb3O4 + 90 NO
FeCl3 + Na2CO3 = NaCl + Fe2(CO3)3 =>
2 FeCl3 + 3 Na2CO3 = 6 NaCl + Fe2(CO3)3
Ag + F = AgF2 =>
Ag + 2 F = AgF2
Ca(NO3)2 + HCl = CaCl2 + HNO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 HNO3
C25H5 + O2 = CO2 + H2O =>
4 C25H5 + 105 O2 = 100 CO2 + 10 H2O
Fe + CuCe2 = FeCe2 + Cu =>
Fe + CuCe2 = FeCe2 + Cu
C6H8O7 + OH = C6H7O7 + H2O =>
C6H8O7 + OH = C6H7O7 + H2O
PbS + HNO3 = PbSO4 + NO2 + H2O =>
PbS + 8 HNO3 = PbSO4 + 8 NO2 + 4 H2O
NH4NO3 + KOH = NH3 + H2O + KNO3 =>
NH4NO3 + KOH = NH3 + H2O + KNO3
HIO + Be(OH)2 = Be(IO)2 + H2O =>
2 HIO + Be(OH)2 = Be(IO)2 + 2 H2O
Cl2(g) + KI(s) = KCl(aq) + I2(s) =>
Cl2(g) + 2 KI(s) = 2 KCl(aq) + I2(s)
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
Ca(NO3)2 + K2Cr2O7 = CaCr2O7 + KNO3 =>
Ca(NO3)2 + K2Cr2O7 = CaCr2O7 + 2 KNO3
KOH(aq) = K2O(s) + H2O(g) =>
2 KOH(aq) = K2O(s) + H2O(g)
C2H6 + F2 = C2H5F + HF =>
C2H6 + F2 = C2H5F + HF
(NH4)2SO4 + NiCl2 = (NH4)2Cl2 + SO4Ni =>
(NH4)2SO4 + NiCl2 = (NH4)2Cl2 + SO4Ni
Ca(NO3)2(aq) + CuSO4(aq) = CaSO4(s) + Cu(NO3)2(ag) =>
Ca(NO3)2(aq) + CuSO4(aq) = CaSO4(s) + Cu(NO3)2(ag)
K2MnO4 + HCl = KMnO4 + MnO2 + KCl + H2O =>
3 K2MnO4 + 4 HCl = 2 KMnO4 + MnO2 + 4 KCl + 2 H2O
K2G2O7 + H2SO4 = K2SO4 + G7(SO4)3 + H2O + O2 =>
7 K2G2O7 + 13 H2SO4 = 7 K2SO4 + 2 G7(SO4)3 + 13 H2O + 18 O2
Ca + HPO3 = Ca(PO3) + H =>
Ca + HPO3 = Ca(PO3) + H
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
Fe3(OH)3 + H1N5O3 = Fe3(N5O3)3 + H2O =>
Fe3(OH)3 + 3 H1N5O3 = Fe3(N5O3)3 + 3 H2O
HClO4 + Mn = MnClO4 + H =>
HClO4 + Mn = MnClO4 + H
LiNO3(aq) + NH4OH(aq) = LiOH + NH4NO3(aq) =>
LiNO3(aq) + NH4OH(aq) = LiOH + NH4NO3(aq)
HSO3F + Na2O = Na2SO4 + NaF + H2O =>
2 HSO3F + 3 Na2O = 2 Na2SO4 + 2 NaF + H2O
CH4 + Br3 = CHBr3 + HBr =>
CH4 + 2 Br3 = CHBr3 + 3 HBr
Cr2O7{-2} + I{-} + H3O{+} = Cr3{+} + I + H2O =>
3 Cr2O7{-2} + 34 I{-} + 42 H3O{+} = 2 Cr3{+} + 34 I + 63 H2O
LiEuO2 + SrO = Li2SrEu4O8 + Li2O =>
4 LiEuO2 + SrO = Li2SrEu4O8 + Li2O
Na2(CO3) + CuCl2 = Cu(CO3) + NaCl =>
Na2(CO3) + CuCl2 = Cu(CO3) + 2 NaCl
Ca + Zn(No3)2 = Ca(No3)2 + Zn =>
Ca + Zn(No3)2 = Ca(No3)2 + Zn
CaNO3 + Na3PO4 = Ca3PO4 + NaNO3 =>
3 CaNO3 + Na3PO4 = Ca3PO4 + 3 NaNO3
Fe2(CO3)3 + HI = H2CO3 + FeI3 =>
Fe2(CO3)3 + 6 HI = 3 H2CO3 + 2 FeI3
CH4 + H2O = CH3{-} + H3O{+} =>
CH4 + H2O = CH3{-} + H3O{+}
H2S + PbBr2 = PbS + H2Br2 =>
H2S + PbBr2 = PbS + H2Br2
Pb(CH3COO)2 + Na2CO3 = PbCO3 + NaCH3COO =>
Pb(CH3COO)2 + Na2CO3 = PbCO3 + 2 NaCH3COO
CH3COOH(aq)NaOH(aq) = CH3COONa(aq)H2O(l) =>
CH3COOH(aq)NaOH(aq) = CH3COONa(aq)H2O(l)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Br + S + H2O = HBr + SO2 =>
4 Br + S + 2 H2O = 4 HBr + SO2
NaOH + HOCN = NaCN + H2O2 =>
NaOH + HOCN = NaCN + H2O2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
H2CO3(aq) + NaOH(aq) = Na2CO3(aq) + H2O(l) =>
H2CO3(aq) + 2 NaOH(aq) = Na2CO3(aq) + 2 H2O(l)
Cu + NO3{-} + H{+} = Cu{+2} + NO2{-2} + H2O =>
3 Cu + 2 NO3{-} + 4 H{+} = 3 Cu{+2} + 2 NO2{-2} + 2 H2O
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