| Équations équilibrées la veille |
3 NiCl2 + 8 HNO3 = 3 Ni(NO3)2 + 3 Cl2 + 2 NO + 4 H2O
HF + KOH = KF + H2O =>
HF + KOH = KF + H2O
Pb + H{3+}PO{4} = H{2+} + Pb{3}(PO{4}){2} =>
Pb + 3 H{3+}PO{4} = 3 H{2+} + Pb{3}(PO{4}){2}
Al2S3 = Al + S =>
Al2S3 = 2 Al + 3 S
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
CH4 + CH3OH = C3H8 + H2O =>
CH4 + 2 CH3OH = C3H8 + 2 H2O
FeBr3 = FeBr2 + Br2 =>
2 FeBr3 = 2 FeBr2 + Br2
CdO + C = CO + Cd =>
CdO + C = CO + Cd
O2 + Cl2 = ClO =>
O2 + Cl2 = 2 ClO
H4P2O7 + Ca(OH)2 = CaP2O9H6 =>
H4P2O7 + Ca(OH)2 = CaP2O9H6
FeCl3 + NaF = FeF3 + NaCl =>
FeCl3 + 3 NaF = FeF3 + 3 NaCl
FeBr3 = Fe + Br =>
FeBr3 = Fe + 3 Br
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH4OH + HCl = NH4Cl + H2O =>
NH4OH + HCl = NH4Cl + H2O
CaBr2 + Mg(NO3)2 = Ca(NO3)2 + MgBr2 =>
CaBr2 + Mg(NO3)2 = Ca(NO3)2 + MgBr2
KMnO4 + KCl + H2SO4 = KHSO4 + MnSO4 + Cl2 + H2O =>
2 KMnO4 + 10 KCl + 14 H2SO4 = 12 KHSO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
NaOH + C20OH14O4 + NH4Cl = NaCl + CO2 + H2O + NH4 =>
84 NaOH + C20OH14O4 + 84 NH4Cl = 84 NaCl + 20 CO2 + 49 H2O + 84 NH4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
AgNO3 + NaCl2*2H2O = AgCl2 + NaNO3 + H2O =>
AgNO3 + NaCl2*2H2O = AgCl2 + NaNO3 + 2 H2O
KOH + CaF2 = KF + Ca(OH)2 =>
2 KOH + CaF2 = 2 KF + Ca(OH)2
Na2CO3(aq) + SrCl2(aq) = NaCl(aq) + SrCO3(s) =>
Na2CO3(aq) + SrCl2(aq) = 2 NaCl(aq) + SrCO3(s)
NiCl2 + HNO3 = Ni(NO3)2 + NO2 + Cl2 + H2O =>
NiCl2 + 4 HNO3 = Ni(NO3)2 + 2 NO2 + Cl2 + 2 H2O
Al + NaCl + H2O = HAlO2 + Na + HCl =>
Al + 3 NaCl + 2 H2O = HAlO2 + 3 Na + 3 HCl
Ca + NiCl2 = Ni + CaCl2 =>
Ca + NiCl2 = Ni + CaCl2
Ca(OH)2 = OH + Ca =>
Ca(OH)2 = 2 OH + Ca
CUO(s) + NH3(g) = CU(s) + N2(g) + H2O(l) =>
3 CUO(s) + 2 NH3(g) = 3 CU(s) + N2(g) + 3 H2O(l)
Ag{+)+Cl{-} = AgCl =>
Ag{+)+Cl{-} = AgCl
C2H5COONa + NaOH = C2H6 + Na2CO3 =>
C2H5COONa + NaOH = C2H6 + Na2CO3
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
NaOHSO2 = NaHSO3 =>
NaOHSO2 = NaHSO3
CuCl2(aq) + NI = Cu(s) + NICl2(s) =>
CuCl2(aq) + NI = Cu(s) + NICl2(s)
Mg3N2 + H2O = H2 + Mg3N2O =>
Mg3N2 + H2O = H2 + Mg3N2O
Na + Au + Sn = Na7Au5Sn8 =>
7 Na + 5 Au + 8 Sn = Na7Au5Sn8
CaCl2 + Na2Co3 = CaCo3 + NaCl =>
CaCl2 + Na2Co3 = CaCo3 + 2 NaCl
I(g) + K(s) = KI =>
I(g) + K(s) = KI
CaI2 + Pb(No3)2 = Ca(No3)2 + PbI2 =>
CaI2 + Pb(No3)2 = Ca(No3)2 + PbI2
Hg(NO3)2 = HgO + NO2 + O =>
Hg(NO3)2 = HgO + 2 NO2 + O
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
KMnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + KOH =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 3 Na2SO4 + 2 KOH
Ni(NO3)2*6H2O + Na2S2O3*7H2O + H2NCH2CH2NH2 = [Ni(H2NCH2CH2NH2)3]S2O3 + H2O + NaNO3 =>
Ni(NO3)2*6H2O + Na2S2O3*7H2O + 3 H2NCH2CH2NH2 = [Ni(H2NCH2CH2NH2)3]S2O3 + 13 H2O + 2 NaNO3
Ca3(PO4)2(s) + H2SO4(aq) = H3PO4 + CaSO4(s) =>
Ca3(PO4)2(s) + 3 H2SO4(aq) = 2 H3PO4 + 3 CaSO4(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HNO3 + LiOH = H2O + LiNO3 =>
HNO3 + LiOH = H2O + LiNO3
KHCO3 + H2SO4 = K2SO4 + H2O + CO2 =>
2 KHCO3 + H2SO4 = K2SO4 + 2 H2O + 2 CO2
Na2S + O2 + S = Na2S2O3 =>
2 Na2S + 3 O2 + 2 S = 2 Na2S2O3
Ca(NO3)2 + HNO3 = CaH2 + NO3 =>
Ca(NO3)2 + 2 HNO3 = CaH2 + 4 NO3
ZnS + ZnO2 = ZnO + SO2 =>
ZnS + 3 ZnO2 = 4 ZnO + SO2
MnO4{-} + Ag + H{+} = MnO2 + Ag{+} + H2O =>
MnO4{-} + 3 Ag + 4 H{+} = MnO2 + 3 Ag{+} + 2 H2O
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Équations équilibrées sur11/12/24
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