| Équations équilibrées la veille |
2 NH3 + 6 ClF = N2 + 3 Cl2 + 6 HF
Ce(IO3)4 + H2C2O4 = Ce(C2O4)3 + CO2 + H2O + I2 =>
Ce(IO3)4 + 12 H2C2O4 = Ce(C2O4)3 + 18 CO2 + 12 H2O + 2 I2
MnO2(s) + H2SO4(l) = Mn(SO4)2(s) + H2O =>
MnO2(s) + 2 H2SO4(l) = Mn(SO4)2(s) + 2 H2O
HCN + CuSO4 = (SO4)H + CuCN =>
HCN + CuSO4 = (SO4)H + CuCN
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
NO + NaOH = NaO + N(OH) =>
NO + NaOH = NaO + N(OH)
MnO2(s) + H2SO4(l) = Mn(SO4)2(s) + H2O =>
MnO2(s) + 2 H2SO4(l) = Mn(SO4)2(s) + 2 H2O
Mg(NO3)2 + Al(NO3)3 + Cr(NO3)3 + C2H6N4O2 = MgAl2O4Cr + N2 + H2O + CO2 =>
10 Mg(NO3)2 + 20 Al(NO3)3 + 10 Cr(NO3)3 + 58 C2H6N4O2 = 10 MgAl2O4Cr + 171 N2 + 174 H2O + 116 CO2
C7H6O3 + CH3O = C7H8O3 + H2O =>
5 C7H6O3 + 14 CH3O = 7 C7H8O3 + 8 H2O
C14H6 + O2 = CO2 + H2O =>
2 C14H6 + 31 O2 = 28 CO2 + 6 H2O
K4MnO4 + H2SO4 + K4Fe(CN)6 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
61 K4MnO4 + 316 H2SO4 + 2 K4Fe(CN)6 = 252 KHSO4 + Fe2(SO4)3 + 61 MnSO4 + 12 HNO3 + 12 CO2 + 184 H2O
MnO2(S) + H2SO4(l) = Mn(SO4)2(S) + H2O(l) =>
MnO2(S) + 2 H2SO4(l) = Mn(SO4)2(S) + 2 H2O(l)
NH3 + H2O + SnS2 = (NH4)2S + Sn(OH)4 =>
4 NH3 + 4 H2O + SnS2 = 2(NH4)2S + Sn(OH)4
AgNO2 + BaSO4 = Ag(SO4) + Ba(NO2) =>
AgNO2 + BaSO4 = Ag(SO4) + Ba(NO2)
MnO2(S) + H2SO4(l) = Mn(SO4)2(S) + H2O(l) =>
MnO2(S) + 2 H2SO4(l) = Mn(SO4)2(S) + 2 H2O(l)
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
P4O10 + H2O = H3PO4(c) =>
P4O10 + 6 H2O = 4 H3PO4(c)
NH4Cl + CaCl2 = NH4Cl2{-} + CaCl{+} =>
NH4Cl + CaCl2 = NH4Cl2{-} + CaCl{+}
CaI2 + LiCl = CaCl2 + LiI =>
CaI2 + 2 LiCl = CaCl2 + 2 LiI
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
I + KMnO4 = KIMnO4 =>
I + KMnO4 = KIMnO4
C7H5((NO2)3) = C + H2 + N2 + O2 =>
2 C7H5((NO2)3) = 14 C + 5 H2 + 3 N2 + 6 O2
CH3COOH(aq) + CH3CH2OH(aq) = CH3COOCH2CH3(aq) + H2O(l) =>
CH3COOH(aq) + CH3CH2OH(aq) = CH3COOCH2CH3(aq) + H2O(l)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
H1 + Br5 = HBr =>
5 H1 + Br5 = 5 HBr
Sn + HNO3 = Sn(NO3)3 + H2O + N2 =>
10 Sn + 36 HNO3 = 10 Sn(NO3)3 + 18 H2O + 3 N2
CH3COOH + CaCO3H2O = H2O + CO2 + Ca(CH3COO)2 =>
2 CH3COOH + CaCO3H2O = 2 H2O + CO2 + Ca(CH3COO)2
N2 + OH = NO + H2O =>
N2 + 4 OH = 2 NO + 2 H2O
ClCH2CO2H + NaOH = ClCH2CO2 + Na + H2O =>
ClCH2CO2H + NaOH = ClCH2CO2 + Na + H2O
Cu(II)Cl + Fe(III) = Cu(II) + Fe(III)Cl =>
Cu(II)Cl + Fe(III) = Cu(II) + Fe(III)Cl
CH3COONa + KNO3 = K2O + CO2 + N2 + H2O + Na =>
10 CH3COONa + 14 KNO3 = 7 K2O + 20 CO2 + 7 N2 + 15 H2O + 10 Na
SrF2 + Li3N = Sr3N2 + LiF =>
3 SrF2 + 2 Li3N = Sr3N2 + 6 LiF
F2 + C2H2 = C2H2F4 =>
2 F2 + C2H2 = C2H2F4
NaCrO2 + NaOH + Cl2 = Na2CrO4 + NaCl + H2O =>
2 NaCrO2 + 8 NaOH + 3 Cl2 = 2 Na2CrO4 + 6 NaCl + 4 H2O
N2F4 = NF2 =>
N2F4 = 2 NF2
P4 + NaOH + H2O = PH3 + Na2HPO4 =>
2 P4 + 6 NaOH + 6 H2O = 5 PH3 + 3 Na2HPO4
KCl + SO2 = K(ClO3) + S =>
2 KCl + 3 SO2 = 2 K(ClO3) + 3 S
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K2CO3(s) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
K2CO3(s) + 2 HCl(aq) = 2 KCl(aq) + H2O(l) + CO2(g)
Sb2S3 + Hg2(ClO3)2 = Sb(ClO3)3 + (Hg2)S =>
Sb2S3 + 3 Hg2(ClO3)2 = 2 Sb(ClO3)3 + 3(Hg2)S
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cu(NO3)2(aq) + Na2CrO4(aq) = CuCrO4 + NaNO3 =>
Cu(NO3)2(aq) + Na2CrO4(aq) = CuCrO4 + 2 NaNO3
C2H4 + Cl = C2H2Cl2 + H2 =>
C2H4 + 2 Cl = C2H2Cl2 + H2
F2 + H2O = HF + O3 =>
3 F2 + 3 H2O = 6 HF + O3
Cl2 + CaBr2 = CaCl4 + Br2 =>
2 Cl2 + CaBr2 = CaCl4 + Br2
Cu(NO3)2(aq) + Na2CrO4(aq) = CuCrO4 + NaNO3 =>
Cu(NO3)2(aq) + Na2CrO4(aq) = CuCrO4 + 2 NaNO3
MnO2(S) + H2SO4(l) = Mn(SO4)2(S) + H2O(l) =>
MnO2(S) + 2 H2SO4(l) = Mn(SO4)2(S) + 2 H2O(l)
ZnCl2 + (NH4)2S = ZnS + NH4Cl =>
ZnCl2 + (NH4)2S = ZnS + 2 NH4Cl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
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