| Équations équilibrées la veille |
2 HNO3(aq) + K2CO3(aq) = H2CO3(aq) + 2 KNO3(g)
KCl + NaHCO3 = K2CO3 + NaCl + CO2 + H2O =>
2 KCl + 2 NaHCO3 = K2CO3 + 2 NaCl + CO2 + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Au(NO3)3 = Au2O3 + NO2 + O2 =>
4 Au(NO3)3 = 2 Au2O3 + 12 NO2 + 3 O2
KOH + ZnCl2 = Zn(OH)2 + KCl =>
2 KOH + ZnCl2 = Zn(OH)2 + 2 KCl
Ba3(PO4)2 + Cl2 = Cl(PO4) + Ba =>
Ba3(PO4)2 + Cl2 = 2 Cl(PO4) + 3 Ba
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Li2SO4(aq) + SrI2(aq) = LiI(aq) + SrSO4(s) =>
Li2SO4(aq) + SrI2(aq) = 2 LiI(aq) + SrSO4(s)
Fe2(SO4)3 + Cu(OH)2 = CuSO4 + Fe(OH)3 =>
Fe2(SO4)3 + 3 Cu(OH)2 = 3 CuSO4 + 2 Fe(OH)3
SiO2 + HNO3 = Si3N4 + H + O =>
3 SiO2 + 4 HNO3 = Si3N4 + 4 H + 18 O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
CO2 + Fe(OH)3 = Fe2(CO3)3 + H2O =>
3 CO2 + 2 Fe(OH)3 = Fe2(CO3)3 + 3 H2O
BCl + P4 + H2 = BP + HCl =>
4 BCl + P4 + 2 H2 = 4 BP + 4 HCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C2H4 + O2 = H2O + CO2 =>
C2H4 + 3 O2 = 2 H2O + 2 CO2
Al2(SO4)3 + BaCl2 = AlCl3 + BaSO4 =>
Al2(SO4)3 + 3 BaCl2 = 2 AlCl3 + 3 BaSO4
AgNO3 + Na2S = Ag2S + NaNO3 =>
2 AgNO3 + Na2S = Ag2S + 2 NaNO3
SrI2 + Br2 = Br2Sr + I2 =>
SrI2 + Br2 = Br2Sr + I2
C2H5OH + KMnO4 + H2SO4 = MnSO4 + CH3COOH + K2SO4 + H2O =>
5 C2H5OH + 4 KMnO4 + 6 H2SO4 = 4 MnSO4 + 5 CH3COOH + 2 K2SO4 + 11 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
SnCl2 + HCl + KMnO4 = SnCl4 + MnCl2 + H2O + KCl =>
5 SnCl2 + 16 HCl + 2 KMnO4 = 5 SnCl4 + 2 MnCl2 + 8 H2O + 2 KCl
CH3NH2 + HNO3 = CH3NH3{+} + NO3{-} =>
CH3NH2 + HNO3 = CH3NH3{+} + NO3{-}
KCl(aq) + Pb(NO3)2(aq) = PbCl2(aq) + KNO3(aq) =>
2 KCl(aq) + Pb(NO3)2(aq) = PbCl2(aq) + 2 KNO3(aq)
C6H12 + Br2 = C6H12Br =>
2 C6H12 + Br2 = 2 C6H12Br
CO2 + Zn(OH)2 = Zn2(OH)2CO3 + H2O =>
CO2 + 2 Zn(OH)2 = Zn2(OH)2CO3 + H2O
H{+} + HBr + Hg + Ba(NO3)2 = HgBr2 + NO + Ba{2+} + H2O =>
2 H{+} + 6 HBr + 3 Hg + Ba(NO3)2 = 3 HgBr2 + 2 NO + Ba{2+} + 4 H2O
Cr2O6 = Cr + O2 =>
Cr2O6 = 2 Cr + 3 O2
PO3 + O2 = (PO3)2O3 =>
4 PO3 + 3 O2 = 2(PO3)2O3
MgO + HCl = MgOCl2 + H =>
MgO + 2 HCl = MgOCl2 + 2 H
Cr2O6 = Cr + O2 =>
Cr2O6 = 2 Cr + 3 O2
HClO4 + Ca(OH)2 = HOH + Ca(ClO4)2 =>
2 HClO4 + Ca(OH)2 = 2 HOH + Ca(ClO4)2
Ca3(PO4)2 + C = Ca3P2 + CO =>
Ca3(PO4)2 + 8 C = Ca3P2 + 8 CO
BF3 = B + F2 =>
2 BF3 = 2 B + 3 F2
(NH4)2SO4(aq) + KOH = K2SO4(aq) + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + 2 KOH = K2SO4(aq) + 2 NH3(g) + 2 H2O(l)
Cr2O6 = Cr + O2 =>
Cr2O6 = 2 Cr + 3 O2
NH3 + MaClO = N2H4 + MaCl + H2O =>
2 NH3 + MaClO = N2H4 + MaCl + H2O
NaOH + Cl2 + HNO3 = NaClONO2 + H2O =>
2 NaOH + Cl2 + 2 HNO3 = 2 NaClONO2 + 2 H2O
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O =>
Na2CO3 + H2SO4 = Na2SO4 + CO2 + H2O
NaOH + Cl2 + HNO3 = NaClONO2 + H2O =>
2 NaOH + Cl2 + 2 HNO3 = 2 NaClONO2 + 2 H2O
Sc2O3(s) + SO3(l) = Sc2(SO4)3(s) =>
Sc2O3(s) + 3 SO3(l) = Sc2(SO4)3(s)
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Cu(NO3)2 + Fe(NO3)3 + C6H8O7 = CuFe2O4 + CO2 + N2 + H2O =>
9 Cu(NO3)2 + 18 Fe(NO3)3 + 20 C6H8O7 = 9 CuFe2O4 + 120 CO2 + 36 N2 + 80 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
[Co(H2O)6] + H2O2 + K2C2O4 = Co(C2O4)3 + KOH + H2O =>
[Co(H2O)6] + 3 H2O2 + 3 K2C2O4 = Co(C2O4)3 + 6 KOH + 6 H2O
Al2O3 + HCIO4 = Al(CIO4)3 + H2O =>
Al2O3 + 6 HCIO4 = 2 Al(CIO4)3 + 3 H2O
CH2O + O2 = CO2 + H2O =>
CH2O + O2 = CO2 + H2O
ZnCl2 + Al2(SO4)3(H2O)14 + NaOH + C12H25C6H4SO3Na = Zn80Al20(OH)200(C12H25C6H4SO3)20 + Na2SO4 + NaCl + H2O =>
80 ZnCl2 + 10 Al2(SO4)3(H2O)14 + 200 NaOH + 20 C12H25C6H4SO3Na = Zn80Al20(OH)200(C12H25C6H4SO3)20 + 30 Na2SO4 + 160 NaCl + 140 H2O
H2SO4 + NaHCO3 = Na2SO4 + CO2 + H2O =>
H2SO4 + 2 NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
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