| Équations équilibrées la veille |
CuSO4 + H2O = CuO + H2SO4
CdCl2 + H3PO4 = Cd3(PO4)2 + HCl =>
3 CdCl2 + 2 H3PO4 = Cd3(PO4)2 + 6 HCl
C2H6 + O2 = CH3COOH + H2O =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O
PbCl4 + H2S = PbS2 + HCl =>
PbCl4 + 2 H2S = PbS2 + 4 HCl
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
Br + MnO2 + OH{-} = Br{-} + MnO4{-} + H2O =>
3 Br + MnO2 + 4 OH{-} = 3 Br{-} + MnO4{-} + 2 H2O
N2O + H2 = N2 + H2O =>
N2O + H2 = N2 + H2O
Sb + HNO3 = Sb2O3 + NO + H2O =>
2 Sb + 2 HNO3 = Sb2O3 + 2 NO + H2O
HCl(aq) + Ba(OH)2(aq) = BaCl2(aq) + H2O(l) =>
2 HCl(aq) + Ba(OH)2(aq) = BaCl2(aq) + 2 H2O(l)
P + KOH + H2O = KHP2PO2 + H2 =>
3 P + KOH + H2O = KHP2PO2 + H2
OH{-} + [Fe(H2O)6]{3}{+} = Fe(H2O)3(OH)3 + H2O =>
3 OH{-} + [Fe(H2O)6]{3}{+} = Fe(H2O)3(OH)3 + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2C2O4 + CuSO4 + H2O = K2[Cu(C2O4)2(H2O)2] + K2SO4 =>
2 K2C2O4 + CuSO4 + 2 H2O = K2[Cu(C2O4)2(H2O)2] + K2SO4
CuO + Fe = Fe2O3 + Cu =>
3 CuO + 2 Fe = Fe2O3 + 3 Cu
H2SO4(aq) + Mg(OH)2 = MgSO4 + H2O =>
H2SO4(aq) + Mg(OH)2 = MgSO4 + 2 H2O
Cr(NO3)2 + K2Cr2O7 + HNO3 = KNO3 + Cr(NO3)3 + H2O =>
6 Cr(NO3)2 + K2Cr2O7 + 14 HNO3 = 2 KNO3 + 8 Cr(NO3)3 + 7 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NH4Cl = HCl + NH3 =>
NH4Cl = HCl + NH3
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
Fe(II) + AgC2H3O2 = Ag + Fe(II)C2H3O2 =>
Fe(II) + AgC2H3O2 = Ag + Fe(II)C2H3O2
Na + HgSO4 = Na2SO4 + Hg =>
2 Na + HgSO4 = Na2SO4 + Hg
NaNo2 + H2O = NaOH + HNo2 =>
NaNo2 + H2O = NaOH + HNo2
Mg + HCIO3 = MgCIO3 + H =>
Mg + HCIO3 = MgCIO3 + H
Sr + (NO3) = Sr(NO3)2 =>
Sr + 2(NO3) = Sr(NO3)2
H3BO3 + KOH = K4B4O7H6O4 + H2O =>
4 H3BO3 + 4 KOH = K4B4O7H6O4 + 5 H2O
Sn4O2 + H1 = Sn4 + H2O =>
Sn4O2 + 4 H1 = Sn4 + 2 H2O
BI2O5 + H2SO4 = BI2(SO4)5 + H2O =>
BI2O5 + 5 H2SO4 = BI2(SO4)5 + 5 H2O
H2SO4 + KMnO4 = H2O4 + KMnSO4 =>
H2SO4 + KMnO4 = H2O4 + KMnSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg(H2PO4)2 = Mg + PO4 + H =>
Mg(H2PO4)2 = Mg + 2 PO4 + 4 H
NaNO3 + H2SO4 + CU = Na2SO4 + H2O + NO2 + CU(NO3)2 =>
4 NaNO3 + 2 H2SO4 + CU = 2 Na2SO4 + 2 H2O + 2 NO2 + CU(NO3)2
C2H4 + Br = CH2Br = CH2Br =>
C2H4 + 2 Br = 2 CH2Br
Sr(s) + O2(g) = SrO(s) =>
2 Sr(s) + O2(g) = 2 SrO(s)
Li2O + Ba(OH)2 = LiOH + BaO =>
Li2O + Ba(OH)2 = 2 LiOH + BaO
C2H4 + Br = CH2Br = CH2Br =>
C2H4 + 2 Br = 2 CH2Br
Cr2O72{-} + Fe2{+} = Cr3{+} + Fe3 + O =>
9 Cr2O72{-} + 15 Fe2{+} = 6 Cr3{+} + 10 Fe3 + 648 O
Cr2(SO4)3 + Br + NaOH = Na2CrO4 + Na2SO4 + NaBr + H2O =>
Cr2(SO4)3 + 6 Br + 16 NaOH = 2 Na2CrO4 + 3 Na2SO4 + 6 NaBr + 8 H2O
Mg(ClO3)2 + KH2PO4 = Mg(H2PO4)2 + KClO3 =>
Mg(ClO3)2 + 2 KH2PO4 = Mg(H2PO4)2 + 2 KClO3
Ti + Cl2 = TiCl4 =>
Ti + 2 Cl2 = TiCl4
Na + H2O = NaOH + H2H2O = NaOH =>
2 Na + 3 H2O = 2 NaOH + H2H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
NH4Cl + Ca(OH)2 = CaCl2 + H2O + NH3 =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 H2O + 2 NH3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C5H8O4 + NaOH = Na2C5H6O4 + H2O =>
C5H8O4 + 2 NaOH = Na2C5H6O4 + 2 H2O
C15H32 + O2 = CO2 + H2O =>
C15H32 + 23 O2 = 15 CO2 + 16 H2O
As2S3 + H2O2 + KOH = K3AsO4 + K2SO4 + H2O =>
As2S3 + 14 H2O2 + 12 KOH = 2 K3AsO4 + 3 K2SO4 + 20 H2O
MoO2 + CO = Mo2C + CO2 =>
2 MoO2 + 6 CO = Mo2C + 5 CO2
KMnO4 + H2C2O4 + KOH = MnO2 + K2CO3 + H2O =>
2 KMnO4 + 3 H2C2O4 + 10 KOH = 2 MnO2 + 6 K2CO3 + 8 H2O
CuSeO4 + Na = Cu + NaSeO4 =>
CuSeO4 + Na = Cu + NaSeO4
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
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Équations équilibrées sur01/04/25
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