| Équations équilibrées la veille |
2 Cr2O3 + 3 Si + 3 CaO = 4 Cr + 3 CaSiO3
(CN){-}1 + (IO3){-}1 = I{-}1 + (CNO){-}1 =>
3(CN){-}1 + (IO3){-}1 = I{-}1 + 3(CNO){-}1
AgNO3 + K2Cr2O7 = Ag2CrO4 + KNO3 + CrO3 =>
2 AgNO3 + K2Cr2O7 = Ag2CrO4 + 2 KNO3 + CrO3
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Cu(SO4)2(aq) + Fe(aq) = Cu2Fe(s) + SO4(aq) =>
2 Cu(SO4)2(aq) + Fe(aq) = Cu2Fe(s) + 4 SO4(aq)
CaN + H2O = NH2 + CaO =>
CaN + H2O = NH2 + CaO
C2H5OH + C3H8O3 = C5H12O3 + H2O =>
C2H5OH + C3H8O3 = C5H12O3 + H2O
Ba(OH)2 + (NH4)Cl = BaCl2 + NH4(OH) =>
Ba(OH)2 + 2(NH4)Cl = BaCl2 + 2 NH4(OH)
V + O2 = V5O7 =>
10 V + 7 O2 = 2 V5O7
AgNO3 + K2CO3 = Ag2CO3 + KNO3 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
CH3OH + H2O = CH2(OH)2 + H2 =>
CH3OH + H2O = CH2(OH)2 + H2
CaO + Me = MeO + Ca =>
CaO + Me = MeO + Ca
NaOH + Na = Na2O + H2 =>
2 NaOH + 2 Na = 2 Na2O + H2
MnO4 + HCl = Mn + H2O + Cl2 =>
MnO4 + 8 HCl = Mn + 4 H2O + 4 Cl2
CaCO3 + Pb(OH)2 = Ca(OH)2 + PbCO3 =>
CaCO3 + Pb(OH)2 = Ca(OH)2 + PbCO3
CuSO4 + NaCl = CuCl2 + Na2SO4 =>
CuSO4 + 2 NaCl = CuCl2 + Na2SO4
Pb(HSO4)2 + NaOH = Pb(OH)2 + NaHSO4 =>
Pb(HSO4)2 + 2 NaOH = Pb(OH)2 + 2 NaHSO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
KOH + K4[Fe(CN)6] + Ce(NO3)4 = Fe(OH)3 + Ce(OH)3 + K2K2CO3 + KNO3 + H2O =>
222 KOH + K4[Fe(CN)6] + 49 Ce(NO3)4 = Fe(OH)3 + 49 Ce(OH)3 + 6 K2K2CO3 + 202 KNO3 + 36 H2O
K2Cr2O7 + Fe(NO3)2 + HNO3 = KNO3 + CrNO + Fe(NO3)3 + H2O =>
K2Cr2O7 + 18 Fe(NO3)2 + 22 HNO3 = 2 KNO3 + 2 CrNO + 18 Fe(NO3)3 + 11 H2O
Pb2O3(s) = Pb3O4(s) + O2(g) =>
6 Pb2O3(s) = 4 Pb3O4(s) + O2(g)
NaOH + Zr(HPO4)2*H2O = H2O + Zr(OH)4 + Na2HPO4 =>
4 NaOH + Zr(HPO4)2*H2O = H2O + Zr(OH)4 + 2 Na2HPO4
CH3COOH + C2H3OH = CH2COOCH2CH2 + H2O =>
CH3COOH + C2H3OH = CH2COOCH2CH2 + H2O
C2H5NHC2H5 + NH3 = C2H5NHC2H4NH2 + H2 =>
C2H5NHC2H5 + NH3 = C2H5NHC2H4NH2 + H2
C8H11O2 + O2 = CO2 + H2O =>
4 C8H11O2 + 39 O2 = 32 CO2 + 22 H2O
Ga2(CO3)3 + H2O = Ga(OH)3 + H2CO3 =>
Ga2(CO3)3 + 6 H2O = 2 Ga(OH)3 + 3 H2CO3
PO4{-3} + H2O = H3PO4 + OH{-} =>
PO4{-3} + 3 H2O = H3PO4 + 3 OH{-}
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
B2O3 + C + Br2 = BBr3 + CO =>
B2O3 + 3 C + 3 Br2 = 2 BBr3 + 3 CO
FeSO4 + HBrO + H2SO4 = Fe2S3O12 + HBr + H2O =>
2 FeSO4 + HBrO + H2SO4 = Fe2S3O12 + HBr + H2O
Ca(OH)2 + H{+} = CaOH{+} + H2O =>
Ca(OH)2 + H{+} = CaOH{+} + H2O
Li3N + Ca(NO3)2 = LiNO3 + Ca3N2 =>
2 Li3N + 3 Ca(NO3)2 = 6 LiNO3 + Ca3N2
NaC + CaCl = NaCl + CaC =>
NaC + CaCl = NaCl + CaC
Li2OHOH = LiOH =>
Li2OHOH = 2 LiOH
C6H5NO2 + O2 + OH{-} = CO3{-2} + H2O + N2 =>
4 C6H5NO2 + 25 O2 + 48 OH{-} = 24 CO3{-2} + 34 H2O + 2 N2
C18H32O2 + NaOH = C3H8O3 + Na2 =>
C18H32O2 + 16 NaOH = 6 C3H8O3 + 8 Na2
Fe2(SO4)3 + Na2SO3 + H2O2 = Na2SO4 + FeSO4 + H2SO4 =>
Fe2(SO4)3 + 2 Na2SO3 + H2O2 = 2 Na2SO4 + 2 FeSO4 + H2SO4
C2H5COOH + Cl2 = CH2ClCH2COOH + HCl =>
C2H5COOH + Cl2 = CH2ClCH2COOH + HCl
NiSO4 + NaOH = NiNa + SO4OH =>
NiSO4 + NaOH = NiNa + SO4OH
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
HClO3Cl2O5 + H2O = HClO3 =>
HClO3Cl2O5 + H2O = 3 HClO3
Fe(CN)6{-4} + Ce{+4} + H2O = H{+} + Ce(OH)3 + Fe(OH)3 + CO3{-2} + NO3{-} =>
Fe(CN)6{-4} + 61 Ce{+4} + 222 H2O = 258 H{+} + 61 Ce(OH)3 + Fe(OH)3 + 6 CO3{-2} + 6 NO3{-}
N2H4 + TiCl3 + HCl = [Ti(N2H4)2]Cl4 + H2 =>
4 N2H4 + 2 TiCl3 + 2 HCl = 2[Ti(N2H4)2]Cl4 + H2
MgSO4 + Fe(NO3)3 = Fe2(SO4)3 + Mg(NO3)2 =>
3 MgSO4 + 2 Fe(NO3)3 = Fe2(SO4)3 + 3 Mg(NO3)2
HBr + Cr2S = CrBr + H2S =>
2 HBr + Cr2S = 2 CrBr + H2S
MgBr2 + V2(CO3)5 = MgCO3 + VBr5 =>
5 MgBr2 + V2(CO3)5 = 5 MgCO3 + 2 VBr5
OH + HCl = H2O + Cl =>
OH + HCl = H2O + Cl
CaBr2(aq) + AuClO4(aq) = AuBr(s) + Ca(ClO4)2(aq) =>
CaBr2(aq) + 2 AuClO4(aq) = 2 AuBr(s) + Ca(ClO4)2(aq)
MnO2 + H2SO4 + I = IO2 + MnSO4 + H2O =>
2 MnO2 + 2 H2SO4 + I = IO2 + 2 MnSO4 + 2 H2O
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