| Équations équilibrées la veille |
HCOONa = HCOO{-} + Na{+}
CH2CH2 + KMnO4 + H2O = KOH + MnO2 + CH2(OH)CH2(OH) =>
3 CH2CH2 + 2 KMnO4 + 4 H2O = 2 KOH + 2 MnO2 + 3 CH2(OH)CH2(OH)
Cl2 + NaAt = AtCl + Na =>
Cl2 + 2 NaAt = 2 AtCl + 2 Na
CdH2P2O7 + NaCl = CdCl2 + Na2H2P2O7 =>
CdH2P2O7 + 2 NaCl = CdCl2 + Na2H2P2O7
BeI2 + Cu2SO4 = BeSO4 + Cu2I2 =>
BeI2 + Cu2SO4 = BeSO4 + Cu2I2
(NH4)3PO4(aq) + CaCl2(aq) = CaPO4(aq) + (NH4)3Cl2(s) =>
(NH4)3PO4(aq) + CaCl2(aq) = CaPO4(aq) + (NH4)3Cl2(s)
K[Cr(OH)4] + Cl2 + KOH = K2Cr2O7 + KCl + H2O =>
2 K[Cr(OH)4] + 3 Cl2 + 6 KOH = K2Cr2O7 + 6 KCl + 7 H2O
CH3CHNO2CH2CH3 + Fe + HCl = CH3CHNH3CH2CH3Cl + FeCl2 + H2O =>
CH3CHNO2CH2CH3 + 3 Fe + 7 HCl = CH3CHNH3CH2CH3Cl + 3 FeCl2 + 2 H2O
K2S(s) = K(s) + S8(s) =>
8 K2S(s) = 16 K(s) + S8(s)
C7H6O + Ag(NH3)2OH = Ag + C7H5COOH + H2O + NH3 =>
8 C7H6O + 18 Ag(NH3)2OH = 18 Ag + 7 C7H5COOH + 12 H2O + 36 NH3
bromine + hydroiodicacid = hydrobromicacid + iodine =>
Br2 + 2 HI = 2 HBr + I2
Ca5(PO4)3OH + SiO2 = Ca(PO3)2 + CaSiO3 + H2O =>
2 Ca5(PO4)3OH + 7 SiO2 = 3 Ca(PO3)2 + 7 CaSiO3 + H2O
CuO + MgSO4 = CuSO4 + MgO =>
CuO + MgSO4 = CuSO4 + MgO
K2Ca(SO4)2H2O + H2O = K2SO4 + CaSO4(H2O)2 =>
K2Ca(SO4)2H2O + H2O = K2SO4 + CaSO4(H2O)2
C5H8(l) + O2(g) = H2O(l) + CO2 =>
C5H8(l) + 7 O2(g) = 4 H2O(l) + 5 CO2
(NH4)3PO4 + Cu(NO3)2 = (NH4)3(NO3)2 + CuPO4 =>
(NH4)3PO4 + Cu(NO3)2 = (NH4)3(NO3)2 + CuPO4
Fe(NO3)3 + H2SO4 = Fe2(SO4)3 + H2(NO3)2 =>
2 Fe(NO3)3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2(NO3)2
KrF2 + H2O = Kr + O2 + H2F2 =>
2 KrF2 + 2 H2O = 2 Kr + O2 + 2 H2F2
Si + MgCl2 = SiCl4 + Mg =>
Si + 2 MgCl2 = SiCl4 + 2 Mg
Na(s) + Fe(NO3)3(aq) = Fe(s) + NaNO3(aq) =>
3 Na(s) + Fe(NO3)3(aq) = Fe(s) + 3 NaNO3(aq)
Br2(g) + Cl(g) = BrCl =>
Br2(g) + 2 Cl(g) = 2 BrCl
Cs + H2O = H2 + Cs2O =>
2 Cs + H2O = H2 + Cs2O
NiS = Ni{+} + S{-} =>
NiS = Ni{+} + S{-}
CH2ClCH2CH3 + NaOH = CH2OHCH2CH3 + NaCl =>
CH2ClCH2CH3 + NaOH = CH2OHCH2CH3 + NaCl
(NH4)2S + HgCl2 = NH4Cl + HgS =>
(NH4)2S + HgCl2 = 2 NH4Cl + HgS
Mg3P2 + K2Cr2O7 + HCl = Mg3(PO4)2 + KCl + CrCl3 + H2O =>
3 Mg3P2 + 8 K2Cr2O7 + 64 HCl = 3 Mg3(PO4)2 + 16 KCl + 16 CrCl3 + 32 H2O
C1H5OH + O2 = CO2 + H2O =>
C1H5OH + 2 O2 = CO2 + 3 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
C7H7NO2 + KMnO4 + H2SO4 = C7H5NO4 + K2SO4 + MnSO4 + H2O =>
5 C7H7NO2 + 6 KMnO4 + 9 H2SO4 = 5 C7H5NO4 + 3 K2SO4 + 6 MnSO4 + 14 H2O
SCl2 + K(NO3)2 = S(NO3)2 + KCl2 =>
SCl2 + K(NO3)2 = S(NO3)2 + KCl2
NH3 = H2 + NH =>
NH3 = H2 + NH
Fe + HCe = FeCe3 + H2 =>
2 Fe + 6 HCe = 2 FeCe3 + 3 H2
iron + tin(II)sulfate = tin + iron(II)sulfate =>
Fe + SnSO4 = Sn + FeSO4
BeH2 + H2O = Be(OH) + H2 =>
2 BeH2 + 2 H2O = 2 Be(OH) + 3 H2
CH2ClCH2CH3 + NaOH = CH2OHCH2CH3 + NaCl =>
CH2ClCH2CH3 + NaOH = CH2OHCH2CH3 + NaCl
HCl + Na2SO4 = NaCl + H2SO4 =>
2 HCl + Na2SO4 = 2 NaCl + H2SO4
Cu + NO3{-} + H3O{+} = Cu{2+} + NO + H2O =>
3 Cu + 2 NO3{-} + 8 H3O{+} = 3 Cu{2+} + 2 NO + 12 H2O
MnO4{-} + H{+} + Cl{-} = Mn{2+} + H2O + Cl2 =>
2 MnO4{-} + 16 H{+} + 10 Cl{-} = 2 Mn{2+} + 8 H2O + 5 Cl2
Cu + NaCl = Cu(NaCl) =>
Cu + NaCl = Cu(NaCl)
Na2CrO4(aq) + FeI3(aq) = NaI(aq) + Fe2(CrO4)3(s) =>
3 Na2CrO4(aq) + 2 FeI3(aq) = 6 NaI(aq) + Fe2(CrO4)3(s)
Fe2O3 + LiBr = FeBr3 + Li2O =>
Fe2O3 + 6 LiBr = 2 FeBr3 + 3 Li2O
CH3CH2NH2 + H2O = CH3CH2NH3 + OH =>
CH3CH2NH2 + H2O = CH3CH2NH3 + OH
C3H6O + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C3H6O + 8 K2Cr2O7 + 32 H2SO4 = 9 CO2 + 8 Cr2(SO4)3 + 8 K2SO4 + 41 H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
Na2S + Ag = Na2SAg =>
Na2S + Ag = Na2SAg
CrSO4 + H3PO4 = Cr3(PO4)2 + H2SO4 =>
3 CrSO4 + 2 H3PO4 = Cr3(PO4)2 + 3 H2SO4
CH2ClCH2CH3 + NaOH = CH2OHCH2CH3 + NaCl =>
CH2ClCH2CH3 + NaOH = CH2OHCH2CH3 + NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
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