| Équations équilibrées la veille |
2 H3PO4 + 3 K2S = 2 K3PO4 + 3 H2S
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
N2O5(g) + H2O = HNO3(aq) =>
N2O5(g) + H2O = 2 HNO3(aq)
Fe + Cu{3+} = Fe{3+} + Cu =>
Fe + Cu{3+} = Fe{3+} + Cu
Sn{4+} + e = Sn =>
Sn{4+} + 4e = Sn
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
NH4OH + HOCl = NH2Cl + H2O =>
NH4OH + HOCl = NH2Cl + 2 H2O
CH3CH2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + H2O + CO2 =>
10 CH3CH2 + 26 KMnO4 + 39 H2SO4 = 13 K2SO4 + 26 MnSO4 + 64 H2O + 20 CO2
Cu2SO4 + Ni(NO3)2 = CuNO3 + NiSO4 =>
Cu2SO4 + Ni(NO3)2 = 2 CuNO3 + NiSO4
Al + Ag2CrO4 = Ag + Al2(CrO4) =>
2 Al + Ag2CrO4 = 2 Ag + Al2(CrO4)
Fe3O4 + CO = CO2 + Fe =>
Fe3O4 + 4 CO = 4 CO2 + 3 Fe
Fe2O3 + SiO2 = Fe2SiO4 + O2 =>
2 Fe2O3 + 2 SiO2 = 2 Fe2SiO4 + O2
Bi(NO3)3 + NH3 + H2O = Bi(OH)3 + (NH4)2NO3 =>
7 Bi(NO3)3 + 51 NH3 + 30 H2O = 7 Bi(OH)3 + 24(NH4)2NO3
PBr5 + CH2O = H2CBr2 + PO2Br =>
PBr5 + 2 CH2O = 2 H2CBr2 + PO2Br
CaFe2O4 + CrO2(OH)2 = CaCr2O4 + Fe2O3 + O2 + H2O =>
2 CaFe2O4 + 4 CrO2(OH)2 = 2 CaCr2O4 + 2 Fe2O3 + 3 O2 + 4 H2O
FeCl2 + NH4OH + H2O2 = Fe(OH)3 + NH4Cl =>
2 FeCl2 + 4 NH4OH + H2O2 = 2 Fe(OH)3 + 4 NH4Cl
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O(l) =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O(l)
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Ca(HCO3)2 + NaCl = CaCO3 + HCl + Na2CO3 =>
Ca(HCO3)2 + 2 NaCl = CaCO3 + 2 HCl + Na2CO3
H3PO3 + NaHCO3 = H2O + CO2 + Na3PO3 =>
H3PO3 + 3 NaHCO3 = 3 H2O + 3 CO2 + Na3PO3
O2(s) + P4(g) = P2O3(s) =>
3 O2(s) + P4(g) = 2 P2O3(s)
Cr(OH)3(aq) + H2SO4(aq) = Cr2(SO4)3(aq) + H2O(l) =>
2 Cr(OH)3(aq) + 3 H2SO4(aq) = Cr2(SO4)3(aq) + 6 H2O(l)
Cs2CrO4 + Cu(NO3)2 = CuCrO4 + Cs(NO3) =>
Cs2CrO4 + Cu(NO3)2 = CuCrO4 + 2 Cs(NO3)
C6H5NH2 + C4H6O3 = H + C6H5NH(COCH)3 + C2H4O2 =>
C6H5NH2 + 3 C4H6O3 = 4 H + C6H5NH(COCH)3 + 3 C2H4O2
K2Cr2O7 + NaHSO3 + H2SO4 = Cr2(SO4)3 + NaSO4 + H2O + KOH =>
K2Cr2O7 + 2 NaHSO3 + 3 H2SO4 = Cr2(SO4)3 + 2 NaSO4 + 3 H2O + 2 KOH
Fe + C2H5NS = FeS3 + C2H5N =>
Fe + 3 C2H5NS = FeS3 + 3 C2H5N
(NH4)2CO3(aq) + NaOH(aq) = Na2CO3(aq) + H2O(l) + NH3(g) =>
(NH4)2CO3(aq) + 2 NaOH(aq) = Na2CO3(aq) + 2 H2O(l) + 2 NH3(g)
AgNO3(l) + Cu(s) = CuNO3(aq) + Ag(s) =>
AgNO3(l) + Cu(s) = CuNO3(aq) + Ag(s)
MgO2 + H(OH) = Mg(OH)2 + O3 =>
3 MgO2 + 3 H(OH) = 3 Mg(OH)2 + O3
LiNO3 + Pb(SO4)2 = LiSO4 + Pb(NO3)2 =>
2 LiNO3 + Pb(SO4)2 = 2 LiSO4 + Pb(NO3)2
NH3 + H2N2 = N3H5 =>
NH3 + H2N2 = N3H5
HNO3 + CuSO4 = Cu(NO3)2 + H2SO4 =>
2 HNO3 + CuSO4 = Cu(NO3)2 + H2SO4
SrCl2 + H2SO4 = SrSO4 + HCl =>
SrCl2 + H2SO4 = SrSO4 + 2 HCl
CaNH4 + Cl2 = CaCl2 + NH4 =>
CaNH4 + Cl2 = CaCl2 + NH4
MgO + BaS = BaO + MgS =>
MgO + BaS = BaO + MgS
KNO3 + NaCl(aq) = KCl(aq) + NaNO3(aq) =>
KNO3 + NaCl(aq) = KCl(aq) + NaNO3(aq)
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
HCI + K2CO3 = KCI + H2O + CO2 =>
2 HCI + K2CO3 = 2 KCI + H2O + CO2
BrNa(aq) + Cl(g) = NaCl(aq) + Br(l) =>
BrNa(aq) + Cl(g) = NaCl(aq) + Br(l)
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
Ca3P2 + Ca3(PO4)2 = P + CaO =>
5 Ca3P2 + 3 Ca3(PO4)2 = 16 P + 24 CaO
KCl + Na2S = NaCl + K2S =>
2 KCl + Na2S = 2 NaCl + K2S
WO3 + SnCl2 + HCl = W2O4 + H2SnCl6 + H2O =>
2 WO3 + 2 SnCl2 + 8 HCl = W2O4 + 2 H2SnCl6 + 2 H2O
P2O5 + Be(OH)2 = Be3(PO4)2 + H2O =>
P2O5 + 3 Be(OH)2 = Be3(PO4)2 + 3 H2O
BCl3(g) + H2O = H3BO3(s) + HCl(g) =>
BCl3(g) + 3 H2O = H3BO3(s) + 3 HCl(g)
ZnO + NaOH + H2O = Na3[Zn(OH)6] + H2 =>
2 ZnO + 6 NaOH + 4 H2O = 2 Na3[Zn(OH)6] + H2
K2S2O8 + MnCl2 + H2O = KMnO4 + H2SO4 + K2SO4 + KCl =>
5 K2S2O8 + 2 MnCl2 + 8 H2O = 2 KMnO4 + 8 H2SO4 + 2 K2SO4 + 4 KCl
Fe + S8 = FeS2 =>
4 Fe + S8 = 4 FeS2
()MgO + ()H2O = ()Mg(OH)2 =>
()MgO + ()H2O = ()Mg(OH)2
CuSO4 + NH4NO3 = NH4SO4 + CuNO3 =>
CuSO4 + NH4NO3 = NH4SO4 + CuNO3
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