| Équations équilibrées la veille |
3 C7H8O2 + K2Cr2O7 + 4 H2SO4 = 3 C7H6O2 + K2SO4 + Cr2(SO4)3 + 7 H2O
SbCl5 + Fe = Sb + FeCl2 =>
2 SbCl5 + 5 Fe = 2 Sb + 5 FeCl2
K2O(s) + P4O10 = K3PO4 =>
6 K2O(s) + P4O10 = 4 K3PO4
LiOH + H2CO3 + KOH = KLiCO3 + H2O =>
LiOH + H2CO3 + KOH = KLiCO3 + 2 H2O
Li2S + KNO3 = LiNO3 + K2S =>
Li2S + 2 KNO3 = 2 LiNO3 + K2S
CH3CHOH + O2 = CO2 + H2O =>
4 CH3CHOH + 11 O2 = 8 CO2 + 10 H2O
Li2S8 = Li2S + S =>
Li2S8 = Li2S + 7 S
H2C4H4O6 + NaOH = NaH(C4H4O6) + H2O =>
H2C4H4O6 + NaOH = NaH(C4H4O6) + H2O
Kl(aq) + BaS(aq) = KlS(aq) + Ba(s) =>
Kl(aq) + BaS(aq) = KlS(aq) + Ba(s)
Li2SO3 + HBr = LiBr + H2O + SO2 =>
Li2SO3 + 2 HBr = 2 LiBr + H2O + SO2
KHS + H2O = KOH + H2S =>
KHS + H2O = KOH + H2S
ZnCO3 + BaSO4 = ZnSO4 + BaCO3 =>
ZnCO3 + BaSO4 = ZnSO4 + BaCO3
C2H4 + KMnO4 + H = C2H4(OH)2 + MnO2 + KOH =>
C2H4 + 2 KMnO4 + 4 H = C2H4(OH)2 + 2 MnO2 + 2 KOH
Na3PO4 + (NH4)2MoO4 + HNO3 = (NH4)3(PMo12O40) + NaNO3 + NH4NO3 + H2O =>
Na3PO4 + 12(NH4)2MoO4 + 24 HNO3 = (NH4)3(PMo12O40) + 3 NaNO3 + 21 NH4NO3 + 12 H2O
Cu + KOH = CuOH + K =>
Cu + KOH = CuOH + K
PbOH4 = Pb + OH4 =>
PbOH4 = Pb + OH4
Ni(NO3)2 + Na2Cr2O7 = NiCr2O7 + Na2(NO3)2 =>
Ni(NO3)2 + Na2Cr2O7 = NiCr2O7 + Na2(NO3)2
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
Na2S2O3 + H2SO4 = H2O + Na2SO4 + SO2 =>
Na2S2O3 + 3 H2SO4 = 3 H2O + Na2SO4 + 4 SO2
C2 + H = H2C =>
C2 + 4 H = 2 H2C
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
Sn(OH)4{2-} + CrO4{2-} + H2O = Sn(OH)6{2-} + CrO2{-} + OH{-} =>
3 Sn(OH)4{2-} + 2 CrO4{2-} + 4 H2O = 3 Sn(OH)6{2-} + 2 CrO2{-} + 2 OH{-}
Al(OH)3 + CuCl2 = AlCl3 + Cu(OH)2 =>
2 Al(OH)3 + 3 CuCl2 = 2 AlCl3 + 3 Cu(OH)2
Ba(OH)2 + FeCl2 = BaCl2 + Fe(OH)2 =>
Ba(OH)2 + FeCl2 = BaCl2 + Fe(OH)2
PhC2H5 + O2 = PhOH + CO2 + H2O =>
2 PhC2H5 + 7 O2 = 2 PhOH + 4 CO2 + 4 H2O
Al(C2H3O2)3 + Na2SO4 = Al2(SO4)3 + NaC2H3O2 =>
2 Al(C2H3O2)3 + 3 Na2SO4 = Al2(SO4)3 + 6 NaC2H3O2
M2Cl2 = M + Cl =>
M2Cl2 = 2 M + 2 Cl
BCl3 + P4 + H2 = BP + HCl =>
4 BCl3 + P4 + 6 H2 = 4 BP + 12 HCl
(NH4)2S + NaI = NH4I + Na2S =>
(NH4)2S + 2 NaI = 2 NH4I + Na2S
Fe(NO3)3 + KOH = Fe(OH)3 + KNO3 =>
Fe(NO3)3 + 3 KOH = Fe(OH)3 + 3 KNO3
CH3CH2CH2CH2Cl + NaOH = CH3CH2CH2CH2OH + NaCl =>
CH3CH2CH2CH2Cl + NaOH = CH3CH2CH2CH2OH + NaCl
HF + H2SO4 = F2 + H2S + H2O =>
8 HF + H2SO4 = 4 F2 + H2S + 4 H2O
HNO + C6H5NH2 + AgNO3 = C6H5N2O2 + Ag + HNO3 =>
HNO + 2 C6H5NH2 + 6 AgNO3 = 2 C6H5N2O2 + 6 Ag + 5 HNO3
Fe3 + O7 = Fe7O3 =>
49 Fe3 + 9 O7 = 21 Fe7O3
HClO3(aq) + Na2CO3(aq) = NaClO3(aq) + CO2(g) + H2O(l) =>
2 HClO3(aq) + Na2CO3(aq) = 2 NaClO3(aq) + CO2(g) + H2O(l)
Cu(C2H3O2)2 + CsOH = Cu(OH)2 + CsC2H3O2 =>
Cu(C2H3O2)2 + 2 CsOH = Cu(OH)2 + 2 CsC2H3O2
Sb2S3 + H = Sb3 + H2S =>
3 Sb2S3 + 18 H = 2 Sb3 + 9 H2S
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
KCN + HCl = KCl + HCN =>
KCN + HCl = KCl + HCN
C5H6O(g) + O2(g) = CO2(g) + H2O(l) =>
C5H6O(g) + 6 O2(g) = 5 CO2(g) + 3 H2O(l)
WCl6 + Na2S = W2S6 + NaCl =>
2 WCl6 + 6 Na2S = W2S6 + 12 NaCl
CrO3 + C4H10 = Cr2O3 + H2O + CO2 =>
26 CrO3 + 3 C4H10 = 13 Cr2O3 + 15 H2O + 12 CO2
K2CO3 + AlCl3 + H2O = Al(OH)3 + H2CO3 + KCl =>
3 K2CO3 + 2 AlCl3 + 6 H2O = 2 Al(OH)3 + 3 H2CO3 + 6 KCl
I + OCl{-} + OH{-} = IO{-} + Cl{-} + H2O =>
2 I + OCl{-} + 2 OH{-} = 2 IO{-} + Cl{-} + H2O
Ba3(PO4)2 + CO2 + Si = P + BaCO3 + SiO =>
Ba3(PO4)2 + 3 CO2 + 5 Si = 2 P + 3 BaCO3 + 5 SiO
NiCl2 + K2(CO3) = NiCO3 + KCl =>
NiCl2 + K2(CO3) = NiCO3 + 2 KCl
Li2O = Li + O2 =>
2 Li2O = 4 Li + O2
Zn + Na2(SO4) = Zn(SO4) + Na =>
Zn + Na2(SO4) = Zn(SO4) + 2 Na
H2S + HNO3 = H2SO4 + NO + H2O =>
3 H2S + 8 HNO3 = 3 H2SO4 + 8 NO + 4 H2O
KHSO4 + K = K2SO4 + H2 =>
2 KHSO4 + 2 K = 2 K2SO4 + H2
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