| Équations équilibrées la veille |
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
AgCl + KNO3 = AgNO3 + KCl =>
AgCl + KNO3 = AgNO3 + KCl
H2SO4 + MgBr2 = MgSO4 + HBr =>
H2SO4 + MgBr2 = MgSO4 + 2 HBr
Eu(s) + HF = EuF3 + H =>
Eu(s) + 3 HF = EuF3 + 3 H
H2O + K{+} + e = KOH + H2 =>
2 H2O + 2 K{+} + 2e = 2 KOH + H2
P4S7(s) + O2(g) = P4O10 + SO2(g) =>
P4S7(s) + 12 O2(g) = P4O10 + 7 SO2(g)
NaBH4 + H2SO4 = NaHSO4 + H2 + B2H6 =>
2 NaBH4 + 2 H2SO4 = 2 NaHSO4 + 2 H2 + B2H6
Ca(ClO)2 + Na2S2O3 + NaOH = Na2SO3 + CaSO3 + NaCl + H2O =>
Ca(ClO)2 + Na2S2O3 + 2 NaOH = Na2SO3 + CaSO3 + 2 NaCl + H2O
K + HNO3 = KNO3 + N2 + H2O =>
10 K + 12 HNO3 = 10 KNO3 + N2 + 6 H2O
C8H18 + O = CO2 + H2O =>
C8H18 + 25 O = 8 CO2 + 9 H2O
Br2 + O2 = Br2O2 =>
Br2 + O2 = Br2O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe + Ni(OH)2 = Ni + Fe(OH)3 =>
2 Fe + 3 Ni(OH)2 = 3 Ni + 2 Fe(OH)3
CH3CH2OH + O2 = CH3CHO + H2O =>
2 CH3CH2OH + O2 = 2 CH3CHO + 2 H2O
KMnO4 + C2O2H4 + H2SO4 = K2SO4 + MnSO4 + CO2 + H2O =>
8 KMnO4 + 5 C2O2H4 + 12 H2SO4 = 4 K2SO4 + 8 MnSO4 + 10 CO2 + 22 H2O
H2O + CO2 = C7H8 + O2 =>
4 H2O + 7 CO2 = C7H8 + 9 O2
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
F2O3 + H2O = F(OH)3 =>
F2O3 + 3 H2O = 2 F(OH)3
Cl2 + CsBr = Br2 + CsCl =>
Cl2 + 2 CsBr = Br2 + 2 CsCl
CH3CH2OH + O2 = CH3CHO + H2O =>
2 CH3CH2OH + O2 = 2 CH3CHO + 2 H2O
COSO4 + NH4SCN = CO(SCN)2 + (NH4)2SO4 =>
COSO4 + 2 NH4SCN = CO(SCN)2 + (NH4)2SO4
Na3PO4*7H2O = Na3PO4 + H2O =>
Na3PO4*7H2O = Na3PO4 + 7 H2O
CuSO4 = Cu + SO4 =>
CuSO4 = Cu + SO4
HBr + HNO3 = Br2 + NO + H2O =>
6 HBr + 2 HNO3 = 3 Br2 + 2 NO + 4 H2O
Mg + FeO = MgO + Fe =>
Mg + FeO = MgO + Fe
Na2SO3 + KMnO4 + H2SO4 = Na2SO4 + MnSO4 + K2SO4 + H2O =>
5 Na2SO3 + 2 KMnO4 + 3 H2SO4 = 5 Na2SO4 + 2 MnSO4 + K2SO4 + 3 H2O
Ag2SO4 + Mg = Ag + MgSO4 =>
Ag2SO4 + Mg = 2 Ag + MgSO4
K2CrO4 + KOH + H[SnCl3] + H2O = K[Cr(OH)4] + K3[Sn(OH)6] + KCl =>
K2CrO4 + 17 KOH + 3 H[SnCl3] + H2O = K[Cr(OH)4] + 3 K3[Sn(OH)6] + 9 KCl
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C2H4 + [Ag(NH3)2]OH = C2H4(COOH)2 + Ag + NH3 + H2O =>
2 C2H4 + 10[Ag(NH3)2]OH = C2H4(COOH)2 + 10 Ag + 20 NH3 + 6 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Li2Cr2O7 + Sc4(P2O7)3 = Li4P2O7 + Sc2(Cr2O7)3 =>
6 Li2Cr2O7 + Sc4(P2O7)3 = 3 Li4P2O7 + 2 Sc2(Cr2O7)3
Li(s) + H2O(l) = LiOH(aq) + H2(g) =>
2 Li(s) + 2 H2O(l) = 2 LiOH(aq) + H2(g)
Sn(OH)2 = SnO + H2O =>
Sn(OH)2 = SnO + H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
PCl3 + NaOH = NaCl + Na2HPO3 + H2O =>
PCl3 + 5 NaOH = 3 NaCl + Na2HPO3 + 2 H2O
NH4NO3 + S = SO3 + N2 + H2O =>
3 NH4NO3 + S = SO3 + 3 N2 + 6 H2O
Br2 + NaOH = NaBr + NaOBr + H2O =>
Br2 + 2 NaOH = NaBr + NaOBr + H2O
Al + C2S = Al2S3 + C =>
2 Al + 3 C2S = Al2S3 + 6 C
NH4OH + KNO3 = NH4KNO3 + HO =>
NH4OH + KNO3 = NH4KNO3 + HO
H2O + FeSO4 + KI + KIO = Fe(OH)2 + K2SO4 + I2 =>
H2O + FeSO4 + KI + KIO = Fe(OH)2 + K2SO4 + I2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
K2S + HCl = KCl + H2S =>
K2S + 2 HCl = 2 KCl + H2S
Cr(No3)3 + Ba = BaNo3 + Cr =>
Cr(No3)3 + 3 Ba = 3 BaNo3 + Cr
KI + Na2Cr2O7 + HCl = I2 + CrCl3 + NaCl + KCl + H2O =>
6 KI + Na2Cr2O7 + 14 HCl = 3 I2 + 2 CrCl3 + 2 NaCl + 6 KCl + 7 H2O
Fe + C = FeC13 = =>
Fe + 13 C = FeC13
H + HgO = Hg + H2O =>
2 H + HgO = Hg + H2O
Na2S + HNO3 = H2O + NaNO3 + S + N2O =>
4 Na2S + 10 HNO3 = 5 H2O + 8 NaNO3 + 4 S + N2O
H2 + O2 = H2O2 =>
H2 + O2 = H2O2
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