| Équations équilibrées la veille |
10 C6H12O6 + O5 = 5 O(C6H12O6)2
Bi2O3 + H2 = Bi + H2O =>
Bi2O3 + 3 H2 = 2 Bi + 3 H2O
H2SO4 + KOH = H2O + K2SO4 =>
H2SO4 + 2 KOH = 2 H2O + K2SO4
C3H7OH = C2H4 + H2O =>
2 C3H7OH = 3 C2H4 + 2 H2O
W + Cl2 = WCl6 =>
W + 3 Cl2 = WCl6
(c)Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3(c)Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Na2S2O3 + H2O = NaOH + H2S2O3 =>
Na2S2O3 + 2 H2O = 2 NaOH + H2S2O3
NH4{+} + O2 = NO3{-} + H2O + H{+} =>
NH4{+} + 2 O2 = NO3{-} + H2O + 2 H{+}
C2H52OC2H5 + O2 = CO2 + H2O =>
4 C2H52OC2H5 + 71 O2 = 16 CO2 + 114 H2O
WCl6 + Na2S = W2S6 + NaCl =>
2 WCl6 + 6 Na2S = W2S6 + 12 NaCl
PbCO3 = Pb + CO3 =>
PbCO3 = Pb + CO3
C3H7COOH + CaCO3 = H2O + CO2 + C3H7COOCa =>
21 C3H7COOH + 20 CaCO3 = 14 H2O + 24 CO2 + 20 C3H7COOCa
W + Cl2 = WCl6 =>
W + 3 Cl2 = WCl6
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
K2O + CaO = K2CaO2 =>
K2O + CaO = K2CaO2
Ba(OH)2 + H4Sb2O7 = Ba(H3Sb2O7)2 + H2O =>
Ba(OH)2 + 2 H4Sb2O7 = Ba(H3Sb2O7)2 + 2 H2O
CaS + HCl = CaCl2 + H2S =>
CaS + 2 HCl = CaCl2 + H2S
HHHH = HHHHH =>
5 HHHH = 4 HHHHH
NH3 + Cl + NaOH = N2H4 + NaCl + H2O =>
2 NH3 + 2 Cl + 2 NaOH = N2H4 + 2 NaCl + 2 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
CuCl2 + BaCl2 + SnCl2 + Na2S = Cu2BaSnS4 + NaCl =>
2 CuCl2 + BaCl2 + SnCl2 + 4 Na2S = Cu2BaSnS4 + 8 NaCl
FeSO4 + KMnO4 + KHSO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 16 KHSO4 = 5 Fe2(SO4)3 + 2 MnSO4 + 9 K2SO4 + 8 H2O
CrO3 + Si = Cr + SiO2 =>
2 CrO3 + 3 Si = 2 Cr + 3 SiO2
NaI + C4H9Br = NaBr + C4H9I =>
NaI + C4H9Br = NaBr + C4H9I
Mg + HCl = H2 + MgCl2 =>
Mg + 2 HCl = H2 + MgCl2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
CaO3 + CO2 = CaCO3 + O2 =>
CaO3 + CO2 = CaCO3 + O2
SiCa2 + H2O = Si4 + CaO + H2 =>
4 SiCa2 + 8 H2O = Si4 + 8 CaO + 8 H2
Na2(Cr2O7) + FeCl2 + HCl = CrCl3 + FeCl3 + NaCl + H2O =>
Na2(Cr2O7) + 6 FeCl2 + 14 HCl = 2 CrCl3 + 6 FeCl3 + 2 NaCl + 7 H2O
Ag2CrO4 = Ag + CrO4 =>
Ag2CrO4 = 2 Ag + CrO4
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Cu(NH3)4(OH)2 = Cu + NH3 + O2 + H2O =>
2 Cu(NH3)4(OH)2 = 2 Cu + 8 NH3 + O2 + 2 H2O
NH3 + PB(NO3)2 = PBNH3 + NO3 =>
NH3 + PB(NO3)2 = PBNH3 + 2 NO3
BaO2 = BaO + O2 =>
2 BaO2 = 2 BaO + O2
Fe3Cl + Br2 = Cl2 + FeBr3 =>
2 Fe3Cl + 9 Br2 = Cl2 + 6 FeBr3
W + Cl2 = WCl6 =>
W + 3 Cl2 = WCl6
CH3COO{-} + BrO{-} = Br{-} + HCO2{-} + H{+} =>
CH3COO{-} + 2 BrO{-} = 2 Br{-} + 2 HCO2{-} + H{+}
C10H18O + NaOCl = C10H16O + NaCl + H2O =>
C10H18O + NaOCl = C10H16O + NaCl + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
HBr + Mg(No3)2 = MgBr2 + HNo3 =>
2 HBr + Mg(No3)2 = MgBr2 + 2 HNo3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
BaCl2 + NO2 = Ba(NO2)2 + Cl2 =>
BaCl2 + 2 NO2 = Ba(NO2)2 + Cl2
H2SO4 + KMnO4 + C2H2O4 = MnSO4 + K2SO4 + CO2 + H2O =>
3 H2SO4 + 2 KMnO4 + 5 C2H2O4 = 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
Ag + NaOH = Ag2OH + Na =>
2 Ag + NaOH = Ag2OH + Na
H3PO2 + FeCl3 + H2O = H3PO3 + FeCl2 + HCl =>
H3PO2 + 2 FeCl3 + H2O = H3PO3 + 2 FeCl2 + 2 HCl
Na(s) + AgCl(aq) = Ag(s) + NaCl(aq) =>
Na(s) + AgCl(aq) = Ag(s) + NaCl(aq)
CaS + AgNO3 = Ag2S + Ca(NO3)2 =>
CaS + 2 AgNO3 = Ag2S + Ca(NO3)2
KMnO4 + H2SO4 + HCl = K2SO4 + MnSO4 + Cl2 + H2O =>
2 KMnO4 + 3 H2SO4 + 10 HCl = K2SO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
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Équations équilibrées sur01/03/25
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