| Équations équilibrées la veille |
3 Ti + 4 HNO3 = 3 TiO2 + 2 H2O + 4 NO
As(OH)3 + H2SO4 = As2(SO4)3 + H2O =>
2 As(OH)3 + 3 H2SO4 = As2(SO4)3 + 6 H2O
Al2(SO4)3 + Ca3(PO4)2 = Al3(PO4)3 + Ca2(SO4)2 =>
6 Al2(SO4)3 + 6 Ca3(PO4)2 = 4 Al3(PO4)3 + 9 Ca2(SO4)2
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
F2 + Al4C3 = AlF4 + CF4 =>
14 F2 + Al4C3 = 4 AlF4 + 3 CF4
PbO2 + CaI2 = CaO + PbI4 =>
PbO2 + 2 CaI2 = 2 CaO + PbI4
C4H8 + HCl = C4H7Cl + H2 =>
C4H8 + HCl = C4H7Cl + H2
Na(s) + HNO3 = NaNO3 + H2 =>
2 Na(s) + 2 HNO3 = 2 NaNO3 + H2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Cl2 + FeBr2 = FeBr3 + FeCl3 =>
3 Cl2 + 6 FeBr2 = 4 FeBr3 + 2 FeCl3
NaOCl + Na2SO3 = NaCl + Na2SO4 =>
NaOCl + Na2SO3 = NaCl + Na2SO4
Ca3N2 + H2 = CaH2 + N2 =>
Ca3N2 + 3 H2 = 3 CaH2 + N2
NO + BrCl = NOBr + Cl2 =>
2 NO + 2 BrCl = 2 NOBr + Cl2
Al2O3 + Fe = Fe3O4 + Al =>
4 Al2O3 + 9 Fe = 3 Fe3O4 + 8 Al
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
C8H12 + O2 = CO2 + H2O =>
C8H12 + 11 O2 = 8 CO2 + 6 H2O
CH2O + K2Cr2O7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH2O + K2Cr2O7 + 4 H2SO4 = 3 HCOOH + Cr2(SO4)3 + K2SO4 + 4 H2O
Cr2O7{2-} + C2H5OH + H3O{+} = Cr{3+} + CH3CHO + H2O =>
Cr2O7{2-} + 3 C2H5OH + 8 H3O{+} = 2 Cr{3+} + 3 CH3CHO + 15 H2O
SO2 + NaH = Na2S2O4 + H2 =>
2 SO2 + 2 NaH = Na2S2O4 + H2
CrCl2 + Cl2 = CrCl3 =>
2 CrCl2 + Cl2 = 2 CrCl3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
KOH + Li2SO4 = K2SO4 + LiOH =>
2 KOH + Li2SO4 = K2SO4 + 2 LiOH
Cl2(aq) + NaI(aq) = I2(aq) + NaCl(aq) =>
Cl2(aq) + 2 NaI(aq) = I2(aq) + 2 NaCl(aq)
C8H17 + O2 = CO2 + H2O =>
4 C8H17 + 49 O2 = 32 CO2 + 34 H2O
Fe + HO = FeO + H =>
Fe + HO = FeO + H
KOH + H3(PO4) = K3PO4 + H2O =>
3 KOH + H3(PO4) = K3PO4 + 3 H2O
C11H21OH + O2 = CO2 + H2O =>
C11H21OH + 16 O2 = 11 CO2 + 11 H2O
NiSO4 + H2SO4 = H2Ni + SO4 =>
NiSO4 + H2SO4 = H2Ni + 2 SO4
Cr + I = Cr(I)3 =>
Cr + 3 I = Cr(I)3
PbS = Pb + S =>
PbS = Pb + S
K + Pb{2+} = K{+} + Pb =>
2 K + Pb{2+} = 2 K{+} + Pb
P4 + NaOH + OH2 = PH3 + NaHPO3 =>
7 P4 + 12 NaOH + 24 OH2 = 16 PH3 + 12 NaHPO3
BaCO3 + Y2O3 + CuO = CO + CO2 + YBa2Cu3O7 =>
4 BaCO3 + Y2O3 + 6 CuO = CO + 3 CO2 + 2 YBa2Cu3O7
Na2CO3 + HgCl = Hg2CO3 + NaCl =>
Na2CO3 + 2 HgCl = Hg2CO3 + 2 NaCl
KNO2 + FeSO4 + H2SO4 = NO + Fe(SO4)3 + K2SO4 + H2O =>
4 KNO2 + FeSO4 + 4 H2SO4 = 4 NO + Fe(SO4)3 + 2 K2SO4 + 4 H2O
HgSO4 + MgS = HgS + MgSO =>
HgSO4 + 4 MgS = HgS + 4 MgSO
C3H6O + Cu(OH)2 = Cu2O + H2O + C3H6O2 =>
C3H6O + 2 Cu(OH)2 = Cu2O + 2 H2O + C3H6O2
Pd2C5H6O2 + H2O = Pd + C5H8O2 + O2 =>
2 Pd2C5H6O2 + 2 H2O = 4 Pd + 2 C5H8O2 + O2
CaCrO4 + KClO3 = Ca(ClO3)2 + K2CrO4 =>
CaCrO4 + 2 KClO3 = Ca(ClO3)2 + K2CrO4
Co(OH)2 + S = CoS2 + SO2 + H2S =>
Co(OH)2 + 4 S = CoS2 + SO2 + H2S
Zn + KOH = K2ZnO2 + H2 =>
Zn + 2 KOH = K2ZnO2 + H2
Bi + SCN = BiCN + S =>
Bi + SCN = BiCN + S
CoS + O2 = Co4S3 + SO2 =>
4 CoS + O2 = Co4S3 + SO2
Zn + NH4Cl + MnO2 = ZnCl + NH3 + Mn2O3 + H2O =>
2 Zn + 2 NH4Cl + 2 MnO2 = 2 ZnCl + 2 NH3 + Mn2O3 + H2O
NaHCO3(s) = H2O(g) + CO2 + Na2CO3(s) =>
2 NaHCO3(s) = H2O(g) + CO2 + Na2CO3(s)
FeCO3 + H2O = FeO + H2CO3 =>
FeCO3 + H2O = FeO + H2CO3
Na(CO3)2 + CH3COOH = H2O + CO2 + NaCH3COO =>
8 Na(CO3)2 + 11 CH3COOH = 10 H2O + 22 CO2 + 8 NaCH3COO
K2SO4 + AlCl3 = KCl + Al2(SO4)3 =>
3 K2SO4 + 2 AlCl3 = 6 KCl + Al2(SO4)3
ZnCl{2} + AgNO{3} = AgCl + Zn(NO{3}){2} =>
ZnCl{2} + AgNO{3} = AgCl + Zn(NO{3}){2}
C2H6 = CH4 + CH =>
3 C2H6 = 4 CH4 + 2 CH
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