| Équations équilibrées la veille |
H2SO4 + K2HPO4 = H2HPO4 + K2SO4
Cu2O + NH3 + O2 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu2O + 16 NH3 + O2 + 4 H2O = 4[Cu(NH3)4](OH)2
I2 + HBr = IBr + H =>
I2 + 2 HBr = 2 IBr + 2 H
Cu + K2Cr2O7 + H2SO4 = Cu2SO4 + Cr2(SO4)3 + H2O + K2SO4 =>
6 Cu + K2Cr2O7 + 7 H2SO4 = 3 Cu2SO4 + Cr2(SO4)3 + 7 H2O + K2SO4
KCrO2 + Br2 + KOH = K2CrO4 + KBr + H2O =>
2 KCrO2 + 3 Br2 + 8 KOH = 2 K2CrO4 + 6 KBr + 4 H2O
S + Cl2 = SCl6 =>
S + 3 Cl2 = SCl6
CH4(g) + O(g) = CO(g) + H2(g) =>
CH4(g) + O(g) = CO(g) + 2 H2(g)
Na3[Cr(OH)6] + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
2 Na3[Cr(OH)6] + 6 H2SO4 = Cr2(SO4)3 + 3 Na2SO4 + 12 H2O
FeCl2 + I2 = FeCl3 + FeI3 =>
6 FeCl2 + 3 I2 = 4 FeCl3 + 2 FeI3
FeO + Na2CO3 = Na2FeO2 + CO2 =>
FeO + Na2CO3 = Na2FeO2 + CO2
N2 + S2 = N2S =>
2 N2 + S2 = 2 N2S
BaS(aq) + NH4Cl(aq) = BaCl2 + S(NH4)2 =>
BaS(aq) + 2 NH4Cl(aq) = BaCl2 + S(NH4)2
Pb(C2H3O2)2 + Na2(CO3) = Na(C2H3O2) + Pb + CO3 =>
Pb(C2H3O2)2 + Na2(CO3) = 2 Na(C2H3O2) + Pb + CO3
K(s) + H2O(i) = KOH(ac) + H2(g) =>
2 K(s) + 2 H2O(i) = 2 KOH(ac) + H2(g)
Li3N + O2 = Li2O + N =>
4 Li3N + 3 O2 = 6 Li2O + 4 N
FeCl{+3} + KOH = KCl + FeOH{+3} =>
FeCl{+3} + KOH = KCl + FeOH{+3}
S + Cl = S2Cl2 =>
2 S + 2 Cl = S2Cl2
NiSO4 + KMnO4 + H2SO4 = Ni2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 NiSO4 + 2 KMnO4 + 8 H2SO4 = 5 Ni2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
KNO2 + KMnO4 + H2SO4 = KNO3 + Mn(SO4) + K2SO4 + H2O =>
5 KNO2 + 2 KMnO4 + 3 H2SO4 = 5 KNO3 + 2 Mn(SO4) + K2SO4 + 3 H2O
Al + K{+} = Al{3+} + K =>
Al + 3 K{+} = Al{3+} + 3 K
Ag + HClO4 = AgClO4 + AgCl + H2O =>
8 Ag + 8 HClO4 = 7 AgClO4 + AgCl + 4 H2O
Zn2P2O7 = Zn + P + O =>
Zn2P2O7 = 2 Zn + 2 P + 7 O
CH3CO2K + Na2CrO4 = K2CrO4 + C2H3NaO2 =>
2 CH3CO2K + Na2CrO4 = K2CrO4 + 2 C2H3NaO2
Zn(s) + H2SO4(l) = ZnSO4(l) + H2(g) =>
Zn(s) + H2SO4(l) = ZnSO4(l) + H2(g)
C5H5N + HBr = C5H5NH + Br =>
C5H5N + HBr = C5H5NH + Br
AgNO3 + C12H22O11 = CO2 + H2O + Ag2CO3 + N2 =>
48 AgNO3 + 5 C12H22O11 = 36 CO2 + 55 H2O + 24 Ag2CO3 + 24 N2
Fe(s) + S8(s) = FeS(s) =>
8 Fe(s) + S8(s) = 8 FeS(s)
Al + Mg = Al2Mg3 =>
2 Al + 3 Mg = Al2Mg3
Fe + H2SiO3 = Fe2SiO3 + H2 =>
2 Fe + H2SiO3 = Fe2SiO3 + H2
RbNO3 = RbNO2 + O2 =>
2 RbNO3 = 2 RbNO2 + O2
SO4 + H = SO2 + H2O =>
SO4 + 4 H = SO2 + 2 H2O
CoS + HNO3 = Co(NO3)2 + NO2 + S + H2O =>
CoS + 4 HNO3 = Co(NO3)2 + 2 NO2 + S + 2 H2O
NaHCO3(s) + CH3COOH(l) = CO2(g) + H2O(l) + NaCH3COO(aq) =>
NaHCO3(s) + CH3COOH(l) = CO2(g) + H2O(l) + NaCH3COO(aq)
CaPO4 + SiO2 + C = P + CaSiO3 + CO2 =>
2 CaPO4 + 2 SiO2 + 3 C = 2 P + 2 CaSiO3 + 3 CO2
CH4 + CO = C2H6 + H2O =>
5 CH4 + CO = 3 C2H6 + H2O
Pb(NO3)2 + Na = NaNO3 + Pb =>
Pb(NO3)2 + 2 Na = 2 NaNO3 + Pb
C6H6Cl2 = C6H5Cl + HCl =>
C6H6Cl2 = C6H5Cl + HCl
C2H4 + HBr = C2H6Br + C2H =>
4 C2H4 + 3 HBr = 3 C2H6Br + C2H
C7H8 + KMnO4 = KC7H5O2 + MnO2 + KOH + H2O =>
C7H8 + 2 KMnO4 = KC7H5O2 + 2 MnO2 + KOH + H2O
C3H8 + KMnO4 + H2O = C3H8O2 + MnO2 + KOH =>
3 C3H8 + 4 KMnO4 + 2 H2O = 3 C3H8O2 + 4 MnO2 + 4 KOH
Al + K2Cr2O7 + H2SO4 = Al2(SO4)3 + CrSO4 + K2SO4 + H2O =>
8 Al + 3 K2Cr2O7 + 21 H2SO4 = 4 Al2(SO4)3 + 6 CrSO4 + 3 K2SO4 + 21 H2O
CH3COOH + Cr2O3 = (CH3COO)3Cr + H2O =>
6 CH3COOH + Cr2O3 = 2(CH3COO)3Cr + 3 H2O
Fe2O3 + LiOH = Fe(OH)3 + Li2O =>
Fe2O3 + 6 LiOH = 2 Fe(OH)3 + 3 Li2O
NaHCO3 + H3PO4 = Na3PO4 + CO2 + H2O =>
3 NaHCO3 + H3PO4 = Na3PO4 + 3 CO2 + 3 H2O
C2 + SO2 = CS2 + CO =>
5 C2 + 4 SO2 = 2 CS2 + 8 CO
CH4 + CO = C3H8 + H2O =>
7 CH4 + 2 CO = 3 C3H8 + 2 H2O
NaI + Cr(NO3)3 = Na(NO3)3 + CrI =>
NaI + Cr(NO3)3 = Na(NO3)3 + CrI
Cr2O7{2-} + OH{-} = CrO4{2-} + H{+} =>
Cr2O7{2-} + OH{-} = 2 CrO4{2-} + H{+}
SIO2 + Ba(OH)2 = BaSIO3 + H2O =>
SIO2 + Ba(OH)2 = BaSIO3 + H2O
NaHCO3(aq) + CH3COOH(aq) = CH3COONa(aq) + H2CO3(aq) =>
NaHCO3(aq) + CH3COOH(aq) = CH3COONa(aq) + H2CO3(aq)
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