| Équations équilibrées la veille |
H2 + S = H2S
H4P2O7 + Zn(OH)2 = Zn4(P2O7)2 + H2O =>
2 H4P2O7 + 4 Zn(OH)2 = Zn4(P2O7)2 + 8 H2O
CH3COOH + Ba(OH)2 = BaCOOH2 + H2O =>
CH3COOH + 2 Ba(OH)2 = 2 BaCOOH2 + 2 H2O
C5H10O2 + NH3 = C5H7NO2 + CH4 + CO2 =>
2 C5H10O2 + NH3 = C5H7NO2 + 4 CH4 + CO2
LiAl(OH)4 + H2O = LiOH + Al(OH)3H2O =>
LiAl(OH)4 + H2O = LiOH + Al(OH)3H2O
C14H30 + O2 = CO2 + H2O =>
2 C14H30 + 43 O2 = 28 CO2 + 30 H2O
C9H8O2 + HBr + H2O2 = C9H8Br2O2 + H2O =>
C9H8O2 + 2 HBr + H2O2 = C9H8Br2O2 + 2 H2O
NaClO3 + H2SO4 + CH3OH = ClO2 + NaHSO4 + CO2 + H2O =>
6 NaClO3 + 6 H2SO4 + CH3OH = 6 ClO2 + 6 NaHSO4 + CO2 + 5 H2O
LiAl(OH)4 + H2O = LiOH + Al(OH)3H2O =>
LiAl(OH)4 + H2O = LiOH + Al(OH)3H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
K2Cr2O7 + Fe(SO4) + H2SO4 = Cr2(SO4)3 + K2(SO4) + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 6 Fe(SO4) + 7 H2SO4 = Cr2(SO4)3 + K2(SO4) + 3 Fe2(SO4)3 + 7 H2O
K2Cr2O7(aq) + NaOH(aq) = H2O + K2CrO4 + Na2CrO4 =>
K2Cr2O7(aq) + 2 NaOH(aq) = H2O + K2CrO4 + Na2CrO4
C6H5OH + CO2 = C7H6O3 =>
C6H5OH + CO2 = C7H6O3
FeCl3 + HPO4 = Fe(HPO4)3 + Cl =>
FeCl3 + 3 HPO4 = Fe(HPO4)3 + 3 Cl
K2ZnO2 + H2SO4 = KOH + ZnSO4 =>
K2ZnO2 + H2SO4 = 2 KOH + ZnSO4
Sc(OH)3 + NaCl = ScCl3 + NaOH =>
Sc(OH)3 + 3 NaCl = ScCl3 + 3 NaOH
CrCl3 + KOH + H2O2 = KCl + KCrO4 + H2O =>
CrCl3 + 4 KOH + 2 H2O2 = 3 KCl + KCrO4 + 4 H2O
silver + copper(ii)sulfate = silversulfate + copper =>
2 Ag + CuSO4 = Ag2SO4 + Cu
MnS(s) + HCl(aq) = H2S(g) + MnCl2(s) =>
MnS(s) + 2 HCl(aq) = H2S(g) + MnCl2(s)
Ca(NO3)2(aq) + (NH4)2SO4(aq) = CaSO4(s) + NH4NO3(aq) =>
Ca(NO3)2(aq) + (NH4)2SO4(aq) = CaSO4(s) + 2 NH4NO3(aq)
Pb(NO3)2 + H2 = Pb + HNO3 =>
Pb(NO3)2 + H2 = Pb + 2 HNO3
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
CaSO3(s) + HI(aq) = SO2(g) + H2O(l) + CaI2(aq) =>
CaSO3(s) + 2 HI(aq) = SO2(g) + H2O(l) + CaI2(aq)
CaCl2 + K3PO4 = Ca(PO4)(s) + K3Cl2(aq) =>
CaCl2 + K3PO4 = Ca(PO4)(s) + K3Cl2(aq)
W + Br2 = WBr6 =>
W + 3 Br2 = WBr6
WBr4 = W + Br2 =>
WBr4 = W + 2 Br2
C3H8(g) + O2(g) = CO2(l) + H2O(l) =>
C3H8(g) + 5 O2(g) = 3 CO2(l) + 4 H2O(l)
CH3CH2CH2CH2OH + HBr = CH3CH2CH2CH2Br + H2O =>
CH3CH2CH2CH2OH + HBr = CH3CH2CH2CH2Br + H2O
(NH4)2SO4(s) = NH3(g) + H2O(g) + SO3(g) =>
(NH4)2SO4(s) = 2 NH3(g) + H2O(g) + SO3(g)
Cu(OH)2(s) + HNO3(aq) = Cu(NO3)2(aq) + H2O(l) =>
Cu(OH)2(s) + 2 HNO3(aq) = Cu(NO3)2(aq) + 2 H2O(l)
(NH4)2S + KMnO4 = MnO2 + KOH + K2SO4 + NO + H2O =>
(NH4)2S + 6 KMnO4 = 6 MnO2 + 4 KOH + K2SO4 + 2 NO + 2 H2O
Ca3(PO4)2 + H3PO4 + H2O = Ca(H2PO4)2H2O =>
Ca3(PO4)2 + 4 H3PO4 + 3 H2O = 3 Ca(H2PO4)2H2O
LiBrO2 = LiBr + LiBrO3 =>
3 LiBrO2 = LiBr + 2 LiBrO3
NaCrO2 + PbO2 + NaOH + H2O = Na2CrO4 + Na[Pb(OH)3] =>
2 NaCrO2 + 3 PbO2 + 5 NaOH + 2 H2O = 2 Na2CrO4 + 3 Na[Pb(OH)3]
Ca + Sn(SO4)2 = Sn + Ca(SO4) =>
2 Ca + Sn(SO4)2 = Sn + 2 Ca(SO4)
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
H2SO4 + KI + Na2SO4 = I2 + Na2S + K2SO4 + H2O =>
4 H2SO4 + 8 KI + Na2SO4 = 4 I2 + Na2S + 4 K2SO4 + 4 H2O
(e)BaCO3(s) = BaO(s) + CO2(g) =>
(e)BaCO3(s) = BaO(s) + CO2(g)
(NH4)2SO4 + NaOH = Na2SO4 + NH3 + H2O =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 NH3 + 2 H2O
AgF + K2CO3 = Ag2CO3 + KF =>
2 AgF + K2CO3 = Ag2CO3 + 2 KF
NaCrO2 + PbO2 + NaOH + H2O = Na2CrO4 + Na[Pb(OH)3] =>
2 NaCrO2 + 3 PbO2 + 5 NaOH + 2 H2O = 2 Na2CrO4 + 3 Na[Pb(OH)3]
C2H4O2 + C5H12O = C7H12O2 + H2O =>
15 C2H4O2 + 8 C5H12O = 10 C7H12O2 + 18 H2O
Ni(NO3)2 + Na2SO4 = NiSO4 + Na2(NO3)2 =>
Ni(NO3)2 + Na2SO4 = NiSO4 + Na2(NO3)2
O2 + H2O + HAs2S4{-} = H2AsO4{-} + SO4{2-} + H{+} =>
9 O2 + 6 H2O + HAs2S4{-} = 2 H2AsO4{-} + 4 SO4{2-} + 9 H{+}
C2H4(g) + H2O = C2H5OH =>
C2H4(g) + H2O = C2H5OH
(NH4)2SO4(aq) + Zn(NO3)2(aq) = NH4NO3(aq) + ZnSO4(aq) =>
(NH4)2SO4(aq) + Zn(NO3)2(aq) = 2 NH4NO3(aq) + ZnSO4(aq)
NiC2O4*2(H2O) + O2 = NiO + H2O + CO2 =>
2 NiC2O4*2(H2O) + O2 = 2 NiO + 4 H2O + 4 CO2
HClO4 + Cd(OH)2 = Cd(ClO4)2 + H2O =>
2 HClO4 + Cd(OH)2 = Cd(ClO4)2 + 2 H2O
Li3PO4 + K2CO3 = Li2CO3 + K3PO4 =>
2 Li3PO4 + 3 K2CO3 = 3 Li2CO3 + 2 K3PO4
Fe + BaBr2 = FeBr3 + Ba =>
2 Fe + 3 BaBr2 = 2 FeBr3 + 3 Ba
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