| Équations équilibrées la veille |
8 H2S + 8 CO = 4 CH3CO2H + S8
C4H8O2 + H2O = C2H6O + C2H4O2 =>
C4H8O2 + H2O = C2H6O + C2H4O2
Rb + N2 = Rb2N =>
4 Rb + N2 = 2 Rb2N
KI(aq) + FeCl3(aq) = FeCl2 + I2 + KCl =>
2 KI(aq) + 2 FeCl3(aq) = 2 FeCl2 + I2 + 2 KCl
HC + CaCO3 = CaC2 + H2O + CO2 =>
2 HC + CaCO3 = CaC2 + H2O + CO2
Zn + HCl(aq) = ZnCl2 + H =>
Zn + 2 HCl(aq) = ZnCl2 + 2 H
C6H12O6 + CO2 = C7H8 + O2 =>
2 C6H12O6 + 9 CO2 = 3 C7H8 + 15 O2
Li2 + HBO3 = Li2HBO3 =>
Li2 + HBO3 = Li2HBO3
Cu + P4 = CuP4 =>
Cu + P4 = CuP4
C3H3Ag + HCl = C3H4 + AgCl =>
C3H3Ag + HCl = C3H4 + AgCl
CH3CH2SH + NaOH = CH3CH2SNa + H2O =>
CH3CH2SH + NaOH = CH3CH2SNa + H2O
Mg + O + H = Mg(OH)2 =>
Mg + 2 O + 2 H = Mg(OH)2
Cr2(SO4)3 + Na2S + H2O = Cr(OH)3 + S + Na2SO4 =>
4 Cr2(SO4)3 + 9 Na2S + 12 H2O = 8 Cr(OH)3 + 12 S + 9 Na2SO4
(NH4)2CrO4 = NH4 + CrO4 =>
(NH4)2CrO4 = 2 NH4 + CrO4
TiOCl2 + NaOH + H2O2 = NaCl + H2O + H4TiO6 =>
TiOCl2 + 2 NaOH + 2 H2O2 = 2 NaCl + H2O + H4TiO6
H2O(g) + O2(g) = H2O2 =>
2 H2O(g) + O2(g) = 2 H2O2
Cu(NO3)2 + MgS = CuS + Mg(NO3)2 =>
Cu(NO3)2 + MgS = CuS + Mg(NO3)2
CaCO3(s) + HCl(l) = CaCl2(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HCl(l) = CaCl2(aq) + CO2(g) + H2O(l)
CaO + H3PO4 = Ca3(PO4)2 + H2O =>
3 CaO + 2 H3PO4 = Ca3(PO4)2 + 3 H2O
HCHO = C6H12O6 =>
6 HCHO = C6H12O6
FeO + S = Fe + SO2 =>
2 FeO + S = 2 Fe + SO2
Li2CO3 + CH3COOH = Li(CH3COO) + CO2 + H2O =>
Li2CO3 + 2 CH3COOH = 2 Li(CH3COO) + CO2 + H2O
PbO2 + H2O2 = Pb(OH)4 + O2 =>
PbO2 + 2 H2O2 = Pb(OH)4 + O2
Cd(OH)2 + NH4OH = Cd(NH3)4 + OH + H2O =>
Cd(OH)2 + 4 NH4OH = Cd(NH3)4 + 2 OH + 4 H2O
Na3PO4 + KNO3 = NaNO3 + K3PO4 =>
Na3PO4 + 3 KNO3 = 3 NaNO3 + K3PO4
Na2SO4 + AgNO3 = Ag2SO4 + NaNO3 =>
Na2SO4 + 2 AgNO3 = Ag2SO4 + 2 NaNO3
Rh + O2 = RhO =>
2 Rh + O2 = 2 RhO
NaCl(s) + H2SO4(aq) = Na2SO4(aq) + HCl =>
2 NaCl(s) + H2SO4(aq) = Na2SO4(aq) + 2 HCl
Ag(NH3) + KI = AgI + KNH3 =>
Ag(NH3) + KI = AgI + KNH3
NH4Cl + Zn(OH)2 = ZnCl2 + NH3 + H2O =>
2 NH4Cl + Zn(OH)2 = ZnCl2 + 2 NH3 + 2 H2O
Na2SO4 + AgNO3 = Ag2SO4 + NaNO3 =>
Na2SO4 + 2 AgNO3 = Ag2SO4 + 2 NaNO3
C3H8 + HBr = C3H7Br + H2 =>
C3H8 + HBr = C3H7Br + H2
CuSO4(s) = CuS(s) + O2(g) =>
CuSO4(s) = CuS(s) + 2 O2(g)
S8 + H2O = SO3 + H2S =>
S8 + 6 H2O = 2 SO3 + 6 H2S
C6H12O6(l) + O2(g) = CO2(g) + H2O(g) =>
C6H12O6(l) + 6 O2(g) = 6 CO2(g) + 6 H2O(g)
XeF4(s) + H2O(l) = XeO3(s) + Xe(g) + HF(g) =>
3 XeF4(s) + 6 H2O(l) = 2 XeO3(s) + Xe(g) + 12 HF(g)
CO2 + H = C2H5OH + H2O =>
2 CO2 + 12 H = C2H5OH + 3 H2O
H2 + Ge = Ge2H =>
H2 + 4 Ge = 2 Ge2H
Mn(NO3)2 + Na2S = MnS + NaNO3 =>
Mn(NO3)2 + Na2S = MnS + 2 NaNO3
P2O3 + HNO3 = P(NO3)3 + H2O =>
P2O3 + 6 HNO3 = 2 P(NO3)3 + 3 H2O
Cu(NO3)2(aq) + BaS(aq) = CuS(s) + Ba(NO3)2 =>
Cu(NO3)2(aq) + BaS(aq) = CuS(s) + Ba(NO3)2
Li2S + HBr = LiBr + H2S =>
Li2S + 2 HBr = 2 LiBr + H2S
Cu2O + C = Cu + CO2 =>
2 Cu2O + C = 4 Cu + CO2
Pb(NO3)2(aq) + FeCl2(aq) = PbCl2(s) + Fe(NO3)2(aq) =>
Pb(NO3)2(aq) + FeCl2(aq) = PbCl2(s) + Fe(NO3)2(aq)
SF6 = S8 + F2 =>
8 SF6 = S8 + 24 F2
PH3 + NO2 = P4H10 + H2O + N2 =>
16 PH3 + 2 NO2 = 4 P4H10 + 4 H2O + N2
Cr2O7{2-} + C2H4 + H{+} = Cr{3+} + CO2 + H2O =>
2 Cr2O7{2-} + C2H4 + 16 H{+} = 4 Cr{3+} + 2 CO2 + 10 H2O
C3H4 + NH3 + O2 = C3H3N + H2O =>
C3H4 + NH3 + O2 = C3H3N + 2 H2O
KMnO4 + K2S = MnO + S + K2O =>
2 KMnO4 + 5 K2S = 2 MnO + 5 S + 6 K2O
FeCO3 + H2SO4 = FeSO4 + CO3H2 =>
FeCO3 + H2SO4 = FeSO4 + CO3H2
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