| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Na2CO310H2O + 315 CH3COOH = 8 CH3COONa + 622 H2O + 618 CO2
Li2CrO4 + Pb(NO3)4 = LiNO3 + Pb(CrO4)2 =>
2 Li2CrO4 + Pb(NO3)4 = 4 LiNO3 + Pb(CrO4)2
Cr(OH)3 + KClO3 + K2CO3 = K2CrO4 + KCl + H2O + CO2 =>
2 Cr(OH)3 + KClO3 + 2 K2CO3 = 2 K2CrO4 + KCl + 3 H2O + 2 CO2
CH3COH + [Ag(NH3)2]OH = CH3COONH4 + Ag + NH3 + H2O =>
CH3COH + 2[Ag(NH3)2]OH = CH3COONH4 + 2 Ag + 3 NH3 + H2O
KMnO4 + C6H8O7 = MnO2 + CO2 + H2O + K2O =>
6 KMnO4 + C6H8O7 = 6 MnO2 + 6 CO2 + 4 H2O + 3 K2O
C7H5NO3S + H2O + BaCl2 = C7H5NO3Cl2 + BaSO4 + H2 =>
C7H5NO3S + 4 H2O + BaCl2 = C7H5NO3Cl2 + BaSO4 + 4 H2
NaOH + K2CrO4 = KOH + Na2CrO4 =>
2 NaOH + K2CrO4 = 2 KOH + Na2CrO4
CU + F2 = CUF2 =>
CU + F2 = CUF2
HCl + Li3PO4 = LiCl + H3PO4 =>
3 HCl + Li3PO4 = 3 LiCl + H3PO4
Kl + Br2 = Br2Kl =>
Kl + Br2 = Br2Kl
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
NH3 + AgNO3 = Ag(NH3)2NO3 =>
2 NH3 + AgNO3 = Ag(NH3)2NO3
K2CO4 + NaOH = K2OH + NaCO4 =>
K2CO4 + NaOH = K2OH + NaCO4
Na2SO4 + AgNO3 = Ag2SO4 + NO3 + Na =>
Na2SO4 + 2 AgNO3 = Ag2SO4 + 2 NO3 + 2 Na
Co(NO3)2 + KOH = K(NO3)2 + CoOH =>
Co(NO3)2 + KOH = K(NO3)2 + CoOH
K2Cr2O7(aq) + Na2C2O4(aq) + HCl = CrCl3(aq) + KCl(aq) + NaCl(aq) + CO2(g) + H2O =>
K2Cr2O7(aq) + 3 Na2C2O4(aq) + 14 HCl = 2 CrCl3(aq) + 2 KCl(aq) + 6 NaCl(aq) + 6 CO2(g) + 7 H2O
CH3COOH = (CH3COOH)2 =>
2 CH3COOH = (CH3COOH)2
NaBr + KMnO4 + H2SO4 = Br2 + K2SO4 + Na2SO4 + MnSO4 + H2O =>
10 NaBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + K2SO4 + 5 Na2SO4 + 2 MnSO4 + 8 H2O
KHSO4 + AgNO3 = KNO3 + AgSO4 + H2 =>
2 KHSO4 + 2 AgNO3 = 2 KNO3 + 2 AgSO4 + H2
N2O2 = NO =>
N2O2 = 2 NO
SeCl2 + H2O = Se + H2SeO3 + HCl =>
2 SeCl2 + 3 H2O = Se + H2SeO3 + 4 HCl
HCl + NH4Cl = NH4H + Cl2 =>
HCl + NH4Cl = NH4H + Cl2
NaCl + HNO3 = Na(NO3) + HCl =>
NaCl + HNO3 = Na(NO3) + HCl
Mn2O3 + Si = Si2O2 + Mn =>
2 Mn2O3 + 6 Si = 3 Si2O2 + 4 Mn
MnSO4 + K2S2O8 + H2O = HMnO4 + K2SO4 + H2SO4 =>
2 MnSO4 + 5 K2S2O8 + 8 H2O = 2 HMnO4 + 5 K2SO4 + 7 H2SO4
FeP + FeS2 = FeS + P2S5 =>
2 FeP + 7 FeS2 = 9 FeS + P2S5
Na3PO4 + NH4OH = NaOH + NH4 + PO4 =>
Na3PO4 + 3 NH4OH = 3 NaOH + 3 NH4 + PO4
Mg + CuCl{2} = Cu + MgCl{2} =>
Mg + CuCl{2} = Cu + MgCl{2}
C8H10 + Fe{3+} + H2O = HCO3{-} + H{+} + Fe{2+} =>
C8H10 + 42 Fe{3+} + 24 H2O = 8 HCO3{-} + 50 H{+} + 42 Fe{2+}
CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + H2O =>
3 CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + 3 H2O
Ba(NO3)2(aq)NaCl(aq) = BaCl + Na(NO3)2 =>
Ba(NO3)2(aq)NaCl(aq) = BaCl + Na(NO3)2
Ni(NO3)2 + Na2(SO4) = Ni(SO4) + Na(NO3) =>
Ni(NO3)2 + Na2(SO4) = Ni(SO4) + 2 Na(NO3)
Li2C2O4 + MgCl2 = LiCl + MgC2O4 =>
Li2C2O4 + MgCl2 = 2 LiCl + MgC2O4
CrO4{2-} + Fe + H{+} = H2O + Cr{3-} + Fe{3+} =>
CrO4{2-} + 3 Fe + 8 H{+} = 4 H2O + Cr{3-} + 3 Fe{3+}
KN0 + KClO3 = KCl + KNO3 =>
KN0 + KClO3 = KCl + KNO3
C2H5OH + K2Cr2O7 + H2SO4 = CrSO4 + K2SO4 + CH3CO2H + H2O =>
2 C2H5OH + K2Cr2O7 + 3 H2SO4 = 2 CrSO4 + K2SO4 + 2 CH3CO2H + 5 H2O
C8H8BrNO + HCl + NaOH = BrC6H4NH2 + CH3COOH + NaCl =>
C8H8BrNO + HCl + NaOH = BrC6H4NH2 + CH3COOH + NaCl
PbCl2 + Zn(NO3)2 = ZnCl2 + Pb(NO3)2 =>
PbCl2 + Zn(NO3)2 = ZnCl2 + Pb(NO3)2
H2O2 + Ca(MnO4)2 + H = CaO + H2(MnO4)2 =>
H2O2 + 2 Ca(MnO4)2 + 2 H = 2 CaO + 2 H2(MnO4)2
Na2S2O3 + KMnO4 + KOH + H2O = K2S4O6 + MnO2 + NaOH =>
6 Na2S2O3 + 2 KMnO4 + 4 KOH + 4 H2O = 3 K2S4O6 + 2 MnO2 + 12 NaOH
Sr(OH)2 + H2SO4 = Sr2(SO4)2 + H2O =>
2 Sr(OH)2 + 2 H2SO4 = Sr2(SO4)2 + 4 H2O
Al(OH)3 + H2S = AlS + H2(OH)3 =>
Al(OH)3 + H2S = AlS + H2(OH)3
Mn + (NO2)2 + BeCl2 = Be(NO2)2 + MnCl2 =>
Mn + (NO2)2 + BeCl2 = Be(NO2)2 + MnCl2
Zn(ClO)2 + H2O = HClO + ZnO =>
Zn(ClO)2 + H2O = 2 HClO + ZnO
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
WS2 + K2CO3 + O2 = K2WO4 + SO2 + CO2 =>
2 WS2 + 2 K2CO3 + 7 O2 = 2 K2WO4 + 4 SO2 + 2 CO2
CaCo3 = Ca + Co2 =>
2 CaCo3 = 2 Ca + 3 Co2
CaOH + CH3CO2H = H2O + Ca(CH3CO2) =>
CaOH + CH3CO2H = H2O + Ca(CH3CO2)
NaH2PO4 = Na3PO4 + H3PO4 =>
3 NaH2PO4 = Na3PO4 + 2 H3PO4
NaOH + K2CrO4 = KOH + Na2CrO4 =>
2 NaOH + K2CrO4 = 2 KOH + Na2CrO4
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