| Équations équilibrées la veille |
FeSO3 + 2 HCl = FeCl2 + H2SO3
H3O{+} + Cl{-} + (Cr2O7)2{-} = Cl2 + Cr3{+} + H2O =>
168 H3O{+} + 154 Cl{-} + 6(Cr2O7)2{-} = 77 Cl2 + 8 Cr3{+} + 252 H2O
(CuOH)2SO4 + (NH4)2SO4 + NH4OH = [Cu(NH3)6]SO4 + H2O =>
(CuOH)2SO4 + (NH4)2SO4 + 10 NH4OH = 2[Cu(NH3)6]SO4 + 12 H2O
C5H8O + NaH + HCl = C5H12O + NaCl =>
C5H8O + 2 NaH + 2 HCl = C5H12O + 2 NaCl
Cr2O7{2-} + Sn{2+} + H{+} = Cr{3+} + Sn{4+} + H2O =>
Cr2O7{2-} + 3 Sn{2+} + 14 H{+} = 2 Cr{3+} + 3 Sn{4+} + 7 H2O
S + KOH = K2SO3 + K2S + H2O =>
3 S + 6 KOH = K2SO3 + 2 K2S + 3 H2O
KI + NaClO + H2O = NaCl + KOH + I2 =>
2 KI + NaClO + H2O = NaCl + 2 KOH + I2
F2 + CuBr2 = FBr2 + Cu =>
F2 + 2 CuBr2 = 2 FBr2 + 2 Cu
Cr(OH)3 + H2O2 + NaOH = H2O + Na2Cr2O7 =>
2 Cr(OH)3 + 3 H2O2 + 2 NaOH = 7 H2O + Na2Cr2O7
NO3{-} + H{+} + Fe{2+} = NO + Fe{3+} + H2O =>
NO3{-} + 4 H{+} + 3 Fe{2+} = NO + 3 Fe{3+} + 2 H2O
C2H2O4 + NaOH = H2O + NaH + CO2 =>
C2H2O4 + NaOH = H2O + NaH + 2 CO2
Hg(NO3)2 + KL = KNO3 + HgL2 =>
Hg(NO3)2 + 2 KL = 2 KNO3 + HgL2
CaBr2 + PbS2 = CaS2 + Br2Pb =>
CaBr2 + PbS2 = CaS2 + Br2Pb
Na3PO4 + FeCl3 = Na + Cl + FePO4 =>
Na3PO4 + FeCl3 = 3 Na + 3 Cl + FePO4
Na2O2 + CO2 = Na2(CO3) + O2 =>
2 Na2O2 + 2 CO2 = 2 Na2(CO3) + O2
KMnO4 + Na2S2O3 + H2SO4 = K2SO4 + MnSO4 + H2O + NaSO4 =>
2 KMnO4 + Na2S2O3 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 3 H2O + 2 NaSO4
HgSe + CdS = HgS + CdSe =>
HgSe + CdS = HgS + CdSe
Cl2O7 + H2O = H2Cl2O8 = HClO4 =>
Cl2O7 + H2O = H2Cl2O8
Cr(OH)3 + NaOH + NaClO3 = Na2CrO3 + NaCl + H2O =>
6 Cr(OH)3 + 12 NaOH + NaClO3 = 6 Na2CrO3 + NaCl + 15 H2O
Mg + NiCl2 = MgCl2Ni =>
Mg + NiCl2 = MgCl2Ni
CaSO4 + SiO2 = CaSi03 + O + S =>
CaSO4 + 3 SiO2 = CaSi03 + 10 O + S
CoCN + KCN = K2Co(CN)3 =>
CoCN + 2 KCN = K2Co(CN)3
C6H8O7Fe + NH4OH = C6H17N3O7Fe + H2O =>
C6H8O7Fe + 3 NH4OH = C6H17N3O7Fe + 3 H2O
SO42{-} + H2 = HS{-} + H2O =>
2 SO42{-} + 85 H2 = 2 HS{-} + 84 H2O
Na2CO3 + KHO = Na2CO4 + KH =>
Na2CO3 + KHO = Na2CO4 + KH
HOC2H4NH2 + C6H4(OCH3)2 = C6H2(OCH3)2(C2H4NH2)2 + H2O =>
2 HOC2H4NH2 + C6H4(OCH3)2 = C6H2(OCH3)2(C2H4NH2)2 + 2 H2O
NiCl2 + Zn(No3)2 = NiCl2Zn(No3)2 =>
NiCl2 + Zn(No3)2 = NiCl2Zn(No3)2
SIH2 + O2 = SIO2 + H2O =>
2 SIH2 + 3 O2 = 2 SIO2 + 2 H2O
C2H4 + H2O = C2H6O =>
C2H4 + H2O = C2H6O
Al + HNO3 = AlH + NO3 =>
Al + HNO3 = AlH + NO3
CuSO4 + Pt = Cu + Pt(SO4) =>
CuSO4 + Pt = Cu + Pt(SO4)
Pb(NO{3}){2} + BaCl{2} = Ba(NO{3}){2} + PbCl{2} =>
Pb(NO{3}){2} + BaCl{2} = Ba(NO{3}){2} + PbCl{2}
MnO4{-} + H{+} + Br{-} = Mn{+2} + H2O + Br =>
MnO4{-} + 8 H{+} + 5 Br{-} = Mn{+2} + 4 H2O + 5 Br
Au + SbCl3 = Sb2AuCl3 + AuCl3 =>
2 Au + 2 SbCl3 = Sb2AuCl3 + AuCl3
FeO + HNO3 = Fe(NO3)2 + H2O =>
FeO + 2 HNO3 = Fe(NO3)2 + H2O
CuSO4*5H2O + KI = I2 + K2SO4 + CuI + H2O =>
2 CuSO4*5H2O + 4 KI = I2 + 2 K2SO4 + 2 CuI + 10 H2O
FeSO4 + O2 = Fe3O4 + SO3 =>
6 FeSO4 + O2 = 2 Fe3O4 + 6 SO3
BeBr2 + Li2OH = Li2Br + Be(OH)2 =>
BeBr2 + 2 Li2OH = 2 Li2Br + Be(OH)2
Cr + CO3 = CrO4 + CO2 =>
Cr + 4 CO3 = CrO4 + 4 CO2
CH4 + NCl2 = H2 + C3Cl4 + N2 =>
3 CH4 + 2 NCl2 = 6 H2 + C3Cl4 + N2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
C2H6O + KMnO4 + H2SO4 = K2SO4 + MnOH4 + C + H2O =>
9 C2H6O + 4 KMnO4 + 2 H2SO4 = 2 K2SO4 + 4 MnOH4 + 18 C + 21 H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Cl2 + Ca3P2 + H2O = CaCl2 + H3PO4 + HCl =>
8 Cl2 + Ca3P2 + 8 H2O = 3 CaCl2 + 2 H3PO4 + 10 HCl
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Bi(NO3)3 = Bi2O3 + N2O5 =>
2 Bi(NO3)3 = Bi2O3 + 3 N2O5
Fe(NO3)3 + H2S = FeS + HNO3 + S =>
2 Fe(NO3)3 + 3 H2S = 2 FeS + 6 HNO3 + S
AlCl3 + Hg2CO3 = HgCl + Al2(CO3)3 =>
2 AlCl3 + 3 Hg2CO3 = 6 HgCl + Al2(CO3)3
Cr(CH3CO2)3 + KOH = K(CH3CO2)3 + CrOH =>
Cr(CH3CO2)3 + KOH = K(CH3CO2)3 + CrOH
H3PO4 + HI = H3PO3 + I2 + H2O =>
H3PO4 + 2 HI = H3PO3 + I2 + H2O
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