| Équations équilibrées la veille |
3 P2 + 10 HNO3 + 4 H2O = 6 H3PO4 + 10 NO
H2C2O4 + KOH = K2C2O4 + H2O =>
H2C2O4 + 2 KOH = K2C2O4 + 2 H2O
C4H7O5(COOH) + NaHCO3 = C4H7O5(COONa) + H2O + CO2 =>
C4H7O5(COOH) + NaHCO3 = C4H7O5(COONa) + H2O + CO2
HCOOH + Ca = HCOOCa + H2 =>
2 HCOOH + 2 Ca = 2 HCOOCa + H2
C2H5OH + NaOH + I2 = NaC2H3O2 + NaI + H2O =>
C2H5OH + 5 NaOH + 2 I2 = NaC2H3O2 + 4 NaI + 4 H2O
Pb3O4 = Pb + O2 =>
Pb3O4 = 3 Pb + 2 O2
C9H8 + KMnO4 + H2SO4 = C7H6O2 + MnSO4 + K2SO4 + H2O =>
35 C9H8 + 38 KMnO4 + 57 H2SO4 = 45 C7H6O2 + 38 MnSO4 + 19 K2SO4 + 62 H2O
Ba(OH)2 + KMnO4 = KOH + Ba(MnO4)2 =>
Ba(OH)2 + 2 KMnO4 = 2 KOH + Ba(MnO4)2
Ca(H2PO4)2 + CaO = CaHPO4 + H2O =>
Ca(H2PO4)2 + CaO = 2 CaHPO4 + H2O
KClO3 + K2S = KCl + K2SO4 =>
4 KClO3 + 3 K2S = 4 KCl + 3 K2SO4
CH2O2 + C2H5OH = CH3COOC2H5 + H2O =>
2 CH2O2 + 3 C2H5OH = 2 CH3COOC2H5 + 3 H2O
SnCl4 + (NH4)2S = (NH4)Cl + SnS2 =>
SnCl4 + 2(NH4)2S = 4(NH4)Cl + SnS2
NO3 + H = NO2 + H2O =>
NO3 + 2 H = NO2 + H2O
Na2CO3 + H2O + CO2 = NaHCO3 =>
Na2CO3 + H2O + CO2 = 2 NaHCO3
NO + F2 = NOF =>
2 NO + F2 = 2 NOF
Cu + C6H8O7 = C6H8CuO7 =>
Cu + C6H8O7 = C6H8CuO7
Bi(OH)3 + Na2(SnO2) = Bi + Na2(SnO3) + H2O =>
2 Bi(OH)3 + 3 Na2(SnO2) = 2 Bi + 3 Na2(SnO3) + 3 H2O
Pr6O11 + BaCO3 + Fe2O3 = PrBaFe2O5 + CO2 + O2 =>
2 Pr6O11 + 12 BaCO3 + 12 Fe2O3 = 12 PrBaFe2O5 + 12 CO2 + 5 O2
C3H80 + O2 = CO2 + H2O =>
C3H80 + 23 O2 = 3 CO2 + 40 H2O
HCl + HBr = BrCl + H2 =>
HCl + HBr = BrCl + H2
N2(s) + O2(g) = NO2 =>
N2(s) + 2 O2(g) = 2 NO2
Na2S2O3 + KMnO4 = Na2SO4 + K2SO4 + Mn2O3 =>
Na2S2O3 + 2 KMnO4 = Na2SO4 + K2SO4 + Mn2O3
MgCl2 + LiF = MgF2 + LiCl =>
MgCl2 + 2 LiF = MgF2 + 2 LiCl
Pb + Cl = PbCl2 =>
Pb + 2 Cl = PbCl2
HgCl2 + H2S = HCl + HgS =>
HgCl2 + H2S = 2 HCl + HgS
C4H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C4H10(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
Cl2(g) + NaBr(aq) = NaCl(aq) + Br2(g) =>
Cl2(g) + 2 NaBr(aq) = 2 NaCl(aq) + Br2(g)
Cu + H2O2 = Cu(OH)2 =>
Cu + H2O2 = Cu(OH)2
AgNO3(aq) + KBr = AgBr + KNO3 =>
AgNO3(aq) + KBr = AgBr + KNO3
CuF + O2 = CuO + FO =>
CuF + O2 = CuO + FO
CU(s) + HCl = CUCl2 + H2 =>
CU(s) + 2 HCl = CUCl2 + H2
HC2H3O2(aq) + LiHSO3(aq) = H2O + CO2 + LiCH3SO2 =>
HC2H3O2(aq) + LiHSO3(aq) = H2O + CO2 + LiCH3SO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cl2(aq) + NaOH(aq) = NaCl(aq) + NaClO3(aq) + H2O(l) =>
3 Cl2(aq) + 6 NaOH(aq) = 5 NaCl(aq) + NaClO3(aq) + 3 H2O(l)
Pb + CrO4 = PbCrO4 =>
Pb + CrO4 = PbCrO4
PbO2 + H2SO4 = PbSO4 + H2O2 =>
PbO2 + H2SO4 = PbSO4 + H2O2
Ba(HCO3)2 + Ca(OH)2 = CaCO3 + Ba(OH)2 + H2O =>
Ba(HCO3)2 + 2 Ca(OH)2 = 2 CaCO3 + Ba(OH)2 + 2 H2O
Cu(ClO3)2 = CuCl2 + O2 =>
Cu(ClO3)2 = CuCl2 + 3 O2
Cr(NO3)2 + CuSO4 = CrSO4 + Cu(NO3)2 =>
Cr(NO3)2 + CuSO4 = CrSO4 + Cu(NO3)2
PbO + NaOH + H2O = Na4[Pb(OH)6] =>
PbO + 4 NaOH + H2O = Na4[Pb(OH)6]
K2O + Na2O + N2 = Na + KNO3 =>
K2O + 5 Na2O + N2 = 10 Na + 2 KNO3
Si + KOH = K2SiO2 + H2 =>
Si + 2 KOH = K2SiO2 + H2
Al(s) + NaOH(s) + H2O(l) = NaAlO2(s) + H2(g) =>
2 Al(s) + 2 NaOH(s) + 2 H2O(l) = 2 NaAlO2(s) + 3 H2(g)
K + N2 = K3N =>
6 K + N2 = 2 K3N
PH3 = P2 + H2 =>
2 PH3 = P2 + 3 H2
NO2(g) = N2O4(g) =>
2 NO2(g) = N2O4(g)
NaBH4 + H2O = NaOH + H3BO3 + H2 =>
NaBH4 + 4 H2O = NaOH + H3BO3 + 4 H2
Ag + Co = Ag2Co3 =>
2 Ag + 3 Co = Ag2Co3
C6H5NH2 + HNO3 = CO2 + H2O + N2 =>
5 C6H5NH2 + 31 HNO3 = 30 CO2 + 33 H2O + 18 N2
C2 + H2 + O2 = C8H18O =>
8 C2 + 18 H2 + O2 = 2 C8H18O
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