| Équations équilibrées la veille |
XCH2CH3 + O2 = CH3CHO + XOH
KClO3 + S = SO2 + KCl =>
2 KClO3 + 3 S = 3 SO2 + 2 KCl
NaOH + H2O = OH + NaH =>
NaOH + H2O = 2 OH + NaH
H2SO4 + K2CO3 = KHSO4 + CO2 + H2O =>
2 H2SO4 + K2CO3 = 2 KHSO4 + CO2 + H2O
CH3OH + H2SO4 + Na2Cr2O7 = Cr2(SO4)3 + Na2SO4 + HCOOH + H2O =>
3 CH3OH + 8 H2SO4 + 2 Na2Cr2O7 = 2 Cr2(SO4)3 + 2 Na2SO4 + 3 HCOOH + 11 H2O
Cu + (NO3)2 + Na3(PO4) = Cu3(PO4)2 + NaNO3 =>
3 Cu + 3(NO3)2 + 2 Na3(PO4) = Cu3(PO4)2 + 6 NaNO3
H2 + S + O2 = H4SO4 =>
2 H2 + S + 2 O2 = H4SO4
HCOOH + NaHCO3 = HCOONa + H2O + CO2 =>
HCOOH + NaHCO3 = HCOONa + H2O + CO2
AlCl3 + Cu(NO3) = CuCl + Al(NO3)3 =>
AlCl3 + 3 Cu(NO3) = 3 CuCl + Al(NO3)3
HCl + Cu(NO3)2 = NO3 + CuHCl =>
HCl + Cu(NO3)2 = 2 NO3 + CuHCl
Na2S2O3 + NaOCl + NaOH = NaCl + Na2SO4 + H2O =>
Na2S2O3 + 4 NaOCl + 2 NaOH = 4 NaCl + 2 Na2SO4 + H2O
Pb(NO3)2 + LiCl = LiNO3 + PbCl2 =>
Pb(NO3)2 + 2 LiCl = 2 LiNO3 + PbCl2
AlS + H2O = Al2(OH)2 + HS =>
2 AlS + 2 H2O = Al2(OH)2 + 2 HS
Cu(SO4) + (NH3) = (Cu(NH3)4)SO4 =>
Cu(SO4) + 4(NH3) = (Cu(NH3)4)SO4
CuAgN = Cu + AgN =>
CuAgN = Cu + AgN
AgF3 + K = KF + Ag =>
AgF3 + 3 K = 3 KF + Ag
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Al2(SO4)3 + H2O + Na2CO3 = Al(OH)3 + Na2SO4 + CO2 =>
Al2(SO4)3 + 3 H2O + 3 Na2CO3 = 2 Al(OH)3 + 3 Na2SO4 + 3 CO2
Sr(NO3)2 + Cu(SO4) = Sr(SO4) + Cu(NO3)2 =>
Sr(NO3)2 + Cu(SO4) = Sr(SO4) + Cu(NO3)2
K2SO4AgNO3 = K2AgSO4NO3 =>
K2SO4AgNO3 = K2AgSO4NO3
MnO2 + HNO3 = Mn(NO3)2 + H2O2 =>
MnO2 + 2 HNO3 = Mn(NO3)2 + H2O2
C12H26 = C4H8 + C10H22 =>
2 C12H26 = C4H8 + 2 C10H22
RuS2 + O2 + H2O = H2SO4 + Ru2O3 =>
4 RuS2 + 15 O2 + 8 H2O = 8 H2SO4 + 2 Ru2O3
CrO2{-} + OH{-} = CrO4{-2} + H2O(l) + e =>
CrO2{-} + 4 OH{-} = CrO4{-2} + 2 H2O(l) + 3e
MgCl2 + Ag(NO3)2 = Mg(NO3)2 + Cl2Ag =>
MgCl2 + Ag(NO3)2 = Mg(NO3)2 + Cl2Ag
KHF + NaOH = H2O + KNaF =>
KHF + NaOH = H2O + KNaF
Nd + O2 = NdO2 =>
Nd + O2 = NdO2
Cr2O7{2-} + SO3{2-} + H{+} = SO4{2-} + Cr3{+} + H2O =>
3 Cr2O7{2-} + 17 SO3{2-} + 8 H{+} = 17 SO4{2-} + 2 Cr3{+} + 4 H2O
Pt + Pb(NO3)2 = PtNO3 + Pb =>
2 Pt + Pb(NO3)2 = 2 PtNO3 + Pb
Au + Cu = AuCu =>
Au + Cu = AuCu
FeSO4 + KMnO2 + H2SO4 = Fe2(SO4)3 + KHSO4 + MnSO4 + H2O =>
2 FeSO4 + 2 KMnO2 + 5 H2SO4 = Fe2(SO4)3 + 2 KHSO4 + 2 MnSO4 + 4 H2O
CH2CHCHCH2 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
5 CH2CHCHCH2 + 6 KMnO4 + 9 H2SO4 = 10 CH3COOH + 4 H2O + 6 MnSO4 + 3 K2SO4
NH4Cl + NaCrO2 + H2O = NaCl + NH3 + Cr(OH)3 =>
NH4Cl + NaCrO2 + H2O = NaCl + NH3 + Cr(OH)3
NaOH = HNa + O2 =>
2 NaOH = 2 HNa + O2
Sr(OH)2 + H3BO3 = SrHBO3 + H2O =>
Sr(OH)2 + H3BO3 = SrHBO3 + 2 H2O
PbCO3Pb(OH)2 + HCl = PbCl2 + PbCO3 + H2O =>
PbCO3Pb(OH)2 + 2 HCl = PbCl2 + PbCO3 + 2 H2O
NH4Cl + KF = KCl + NH4F =>
NH4Cl + KF = KCl + NH4F
K4Cr(CN)6 + MnO2 + HCl = ClK + Cl3Cr + Cl2Mn + CO2 + N2O5 + H2O =>
2 K4Cr(CN)6 + 61 MnO2 + 136 HCl = 8 ClK + 2 Cl3Cr + 61 Cl2Mn + 12 CO2 + 6 N2O5 + 68 H2O
K2Cr2O7 + IK + H2SO4 = Cr2(SO4)3 + I2 + H2O + K2SO4 =>
K2Cr2O7 + 6 IK + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + 7 H2O + 4 K2SO4
CH3CHO + Cu(OH)2 + KOH = CH3COOK + Cu2O + H2O =>
CH3CHO + 2 Cu(OH)2 + KOH = CH3COOK + Cu2O + 3 H2O
Fe(iii) + Zn(NO3)2 = FeNO3 + Zn =>
2 Fe(iii) + Zn(NO3)2 = 2 FeNO3 + Zn
Ca(s) + Cl2(g) = CaCl2(s) =>
Ca(s) + Cl2(g) = CaCl2(s)
HClO4 + Ga = Ga(ClO4)3 + H2 =>
6 HClO4 + 2 Ga = 2 Ga(ClO4)3 + 3 H2
MoO3 + H2S = MoO2 + H2O + S =>
MoO3 + H2S = MoO2 + H2O + S
C2H6O2NCl + NaOH = C2H4O3 + NH3 + NaCl =>
C2H6O2NCl + NaOH = C2H4O3 + NH3 + NaCl
PbNO3(aq) + NaCl(aq) = PbCl + NaNO3 =>
PbNO3(aq) + NaCl(aq) = PbCl + NaNO3
Zn + HPO3 = ZnPO3 + H2 =>
2 Zn + 2 HPO3 = 2 ZnPO3 + H2
Pb + LiOH = Li2PbO2 + H2 =>
Pb + 2 LiOH = Li2PbO2 + H2
Cr + Na3PO4 = CrPO4 + Na =>
Cr + Na3PO4 = CrPO4 + 3 Na
COClH12O6 + SOCl2 = COCl + SO2 + HCl =>
COClH12O6 + 6 SOCl2 = COCl + 6 SO2 + 12 HCl
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