| Équations équilibrées la veille |
4 FeOCr2O3 + 4 K4CO3 + 9 O2 = 8 K2CrO4 + 4 CO2 + 2 Fe2O3
Ag2O3S + Cu = Cu2O3S + Ag =>
Ag2O3S + 2 Cu = Cu2O3S + 2 Ag
AgO = Ag + O =>
AgO = Ag + O
Na3PO4(sln) + FeSO4(sln) = Na2SO4(sln) + Fe3(PO4)2(s) =>
2 Na3PO4(sln) + 3 FeSO4(sln) = 3 Na2SO4(sln) + Fe3(PO4)2(s)
SI + HNO3 = SINO3 + H2 =>
2 SI + 2 HNO3 = 2 SINO3 + H2
Al(NO3)3 + (NH4)2CO3 + H2O = Al(OH)3 + NH4NO3 + CO2 =>
2 Al(NO3)3 + 3(NH4)2CO3 + 3 H2O = 2 Al(OH)3 + 6 NH4NO3 + 3 CO2
AgO = Ag + O2 =>
2 AgO = 2 Ag + O2
HI + HgOH = HgI + H2O =>
HI + HgOH = HgI + H2O
Cr(OH)3 + NaCl = CrCl3 + NaOH =>
Cr(OH)3 + 3 NaCl = CrCl3 + 3 NaOH
(NH4)2CO3 + Mg(OH)2 = NH3 + H2O + MgCO3 =>
(NH4)2CO3 + Mg(OH)2 = 2 NH3 + 2 H2O + MgCO3
Sb2O3 + KIO3 + HCl + H2O = HSb(OH)6 + KCl + ICl =>
Sb2O3 + KIO3 + 2 HCl + 6 H2O = 2 HSb(OH)6 + KCl + ICl
Pb(OH)4 + H3PO3 = Pb(HPO3)2 + H2O =>
Pb(OH)4 + 2 H3PO3 = Pb(HPO3)2 + 4 H2O
Be + HCl = BeCl2 + H2 =>
Be + 2 HCl = BeCl2 + H2
AgNO3 + FeBr3 = AgFe + NO3Br3 =>
AgNO3 + FeBr3 = AgFe + NO3Br3
Cr(OH)3 + NaCl = CrCl3 + NaOH =>
Cr(OH)3 + 3 NaCl = CrCl3 + 3 NaOH
CuCO3 + HC2H3O2 = Cu(C2H3O2)2 + H2O + CO2 =>
CuCO3 + 2 HC2H3O2 = Cu(C2H3O2)2 + H2O + CO2
Fe(NO3)3 + LiOH = Fe(OH)3 + LiNO3 =>
Fe(NO3)3 + 3 LiOH = Fe(OH)3 + 3 LiNO3
NaHCO3 + KC4H5O6 = H2O + CO2 + K + Na =>
9 NaHCO3 + KC4H5O6 = 7 H2O + 13 CO2 + K + 9 Na
Fe(CNS)3 + NaF = NaCNS + FeF3 =>
Fe(CNS)3 + 3 NaF = 3 NaCNS + FeF3
CaO + H2O = CaOH + H2O2 =>
2 CaO + 2 H2O = 2 CaOH + H2O2
BiCl3 + H2S = BiS + Cl + H =>
BiCl3 + H2S = BiS + 3 Cl + 2 H
HCN + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HCN + CuSO4 = H2SO4 + Cu(CN)2
Ca + Mn(NO3)3 = Ca(NO3)2 + Mn =>
3 Ca + 2 Mn(NO3)3 = 3 Ca(NO3)2 + 2 Mn
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
Na3(PO4) + CoCl2 = Co3(PO4)2 + NaCl =>
2 Na3(PO4) + 3 CoCl2 = Co3(PO4)2 + 6 NaCl
MgSO4 + Ba(NO3)2 = Mg(NO3)2 + BaSO4 =>
MgSO4 + Ba(NO3)2 = Mg(NO3)2 + BaSO4
C2H6 + Br2 = C2Br + HBr =>
2 C2H6 + 7 Br2 = 2 C2Br + 12 HBr
FrI + H2O = I + FrH2O =>
FrI + H2O = I + FrH2O
As2S3 + KOH = K3AsO3 + K3AsS3 + H2O =>
As2S3 + 6 KOH = K3AsO3 + K3AsS3 + 3 H2O
C6H5Cl + O2 = CO2 + H2O + Cl2 =>
4 C6H5Cl + 29 O2 = 24 CO2 + 10 H2O + 2 Cl2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Zn + S8 = Zn8S =>
64 Zn + S8 = 8 Zn8S
C26H17 + O2 = CO2 + H2O =>
4 C26H17 + 121 O2 = 104 CO2 + 34 H2O
NH{4}OH + H{3}PO{4} = (NH{4}){3}PO{4} + H{2}O =>
NH{4}OH + 3 H{3}PO{4} = (NH{4}){3}PO{4} + 3 H{2}O
Sr3(PO4)2 + Fe2(SO4)3 = Sr3(SO4)3 + Fe2(PO4)2 =>
Sr3(PO4)2 + Fe2(SO4)3 = Sr3(SO4)3 + Fe2(PO4)2
BaCl2 + AgNO3 = AgCl + Ba(NO3)2 =>
BaCl2 + 2 AgNO3 = 2 AgCl + Ba(NO3)2
CO2(g) + H2O = C2H22O11(s) + O2(g) =>
2 CO2(g) + 11 H2O = C2H22O11(s) + 2 O2(g)
Ar + H2 = ArH4 =>
Ar + 2 H2 = ArH4
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
H + Mn + O = HMnO4 =>
H + Mn + 4 O = HMnO4
MnO4{-} + SO2 + H2O = H{+} + Mn{2+} + SO4{2-} =>
2 MnO4{-} + 5 SO2 + 2 H2O = 4 H{+} + 2 Mn{2+} + 5 SO4{2-}
Cr(OH)3 + NaCl = CrCl3 + NaOH =>
Cr(OH)3 + 3 NaCl = CrCl3 + 3 NaOH
NaNO2 + Na2Cr2O7 + HNO3 = Cr(NO3)3 + NaNO3 + H2O =>
3 NaNO2 + Na2Cr2O7 + 8 HNO3 = 2 Cr(NO3)3 + 5 NaNO3 + 4 H2O
BaCl2 + PbO2 + H2SO4 = Cl + PbSO4 + BaSO4 + H2O =>
BaCl2 + PbO2 + 2 H2SO4 = 2 Cl + PbSO4 + BaSO4 + 2 H2O
C12H22O11 + H2O = C2H5OH + CO2 =>
C12H22O11 + H2O = 4 C2H5OH + 4 CO2
Al2S3 + H2O = Al2O3 + H2S =>
Al2S3 + 3 H2O = Al2O3 + 3 H2S
H3P + MgCl2 = HCl + Mg3P2 =>
2 H3P + 3 MgCl2 = 6 HCl + Mg3P2
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
C2H5OH + CuO = CH3COH + CuOH =>
C2H5OH + 2 CuO = CH3COH + 2 CuOH
NaH2AsO4 + AgNO3 = NaNO3 + HNO3 + Ag3AsO4 =>
NaH2AsO4 + 3 AgNO3 = NaNO3 + 2 HNO3 + Ag3AsO4
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