Équations équilibrées la veille |
2 Na2O2 + 2 H2O = 4 NaOH + O2
MgCO3 + HCl = MgCl2 + H2O + CO2 =>
MgCO3 + 2 HCl = MgCl2 + H2O + CO2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
CaCO3 + HCl = Ca(Cl)2 + H2O + CO2 =>
CaCO3 + 2 HCl = Ca(Cl)2 + H2O + CO2
C6H12O6 = C2H5OHCO2 =>
C6H12O6 = 2 C2H5OHCO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Al + KOH = KAl2O3 + H2O + K =>
2 Al + 6 KOH = KAl2O3 + 3 H2O + 5 K
C2H6(g) + Cl2(g) = C2H5Cl(g) + HCl =>
C2H6(g) + Cl2(g) = C2H5Cl(g) + HCl
Ca3(PO4)2 + H2O = CaO + H3PO4 =>
Ca3(PO4)2 + 3 H2O = 3 CaO + 2 H3PO4
Sr(NO3)2 + H2SO4 = Sr(SO4) + H(NO3) =>
Sr(NO3)2 + H2SO4 = Sr(SO4) + 2 H(NO3)
Sr + H2O = SrH2O =>
Sr + H2O = SrH2O
Al + KOH = AlO + K + H2O =>
Al + 2 KOH = AlO + 2 K + H2O
NaCl + Ca = CaCl2 + Na =>
2 NaCl + Ca = CaCl2 + 2 Na
Hg(NO3)2 + HCl = HgCl2 + HNO3 =>
Hg(NO3)2 + 2 HCl = HgCl2 + 2 HNO3
NaCl + HBr + KI = HCl + KBr + NaI =>
NaCl + HBr + KI = HCl + KBr + NaI
CuOSNC = CuSCNO =>
CuOSNC = CuSCNO
CH3CH2OH + Na2CO3 + Na2SO4 = Na3SO4 + CH3COOH + H2 =>
4 CH3CH2OH + 2 Na2CO3 + 4 Na2SO4 = 4 Na3SO4 + 5 CH3COOH + 2 H2
BaCl2 + MgSO4 = BaSO4 + MgCl2 =>
BaCl2 + MgSO4 = BaSO4 + MgCl2
(C2H6O) + (O2) = CO2 + H2O =>
(C2H6O) + 3(O2) = 2 CO2 + 3 H2O
Fe(s) + HCl(l) = FeCl2 + H2 =>
Fe(s) + 2 HCl(l) = FeCl2 + H2
FeCl3 + AgNO2 = FeNO2 + AgCl3 =>
FeCl3 + AgNO2 = FeNO2 + AgCl3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
C6H5CCl3 + NaOH = C6H5COONa + NaCl + H2O =>
C6H5CCl3 + 4 NaOH = C6H5COONa + 3 NaCl + 2 H2O
As2S3 + NO3 = AsO4 + SO2 + NO2 =>
As2S3 + 14 NO3 = 2 AsO4 + 3 SO2 + 14 NO2
PBCl2 + KI = PBI2 + KCl =>
PBCl2 + 2 KI = PBI2 + 2 KCl
Na3PO4 + HClO3 = NaClO3 + H3PO4 =>
Na3PO4 + 3 HClO3 = 3 NaClO3 + H3PO4
KSO4 + FeOH = KOH + FeSO4 =>
KSO4 + FeOH = KOH + FeSO4
FeCl3 + KCN = Fe(CN)3 + KCl =>
FeCl3 + 3 KCN = Fe(CN)3 + 3 KCl
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
FeCl3 + (NH4)3PO4 = Fe3(PO4)3 + NH4Cl =>
3 FeCl3 + 3(NH4)3PO4 = Fe3(PO4)3 + 9 NH4Cl
C6H6 + KMnO4 + KOH = C6H5COOK + K2MnO4 + H2O =>
7 C6H6 + 30 KMnO4 + 36 KOH = 6 C6H5COOK + 30 K2MnO4 + 24 H2O
Al + KOH = AlO + K + H2O =>
Al + 2 KOH = AlO + 2 K + H2O
KF + HCl = KCl + FH =>
KF + HCl = KCl + FH
FeCl2 + K2(CrO4) + HCl = FeCl3 + CrCl3 + KCl + H2O =>
3 FeCl2 + K2(CrO4) + 8 HCl = 3 FeCl3 + CrCl3 + 2 KCl + 4 H2O
C12H22O11(j) + O2(g) = H2O(j) + CO2(g) =>
C12H22O11(j) + 12 O2(g) = 11 H2O(j) + 12 CO2(g)
Co(NO3)2(g) + H2S(aq) = CoS(s) + HNO3(aq) =>
Co(NO3)2(g) + H2S(aq) = CoS(s) + 2 HNO3(aq)
H2O + CH3CH2OH = CH3COOH + H =>
H2O + CH3CH2OH = CH3COOH + 4 H