| Équations équilibrées la veille | Équations équilibrées le lendemain |
AgNO3 + NaHCO3 = Ag(HCO3) + NaNO3
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
C2H5COOMgBrHBr = C2H5COOHMgBr2 =>
C2H5COOMgBrHBr = C2H5COOHMgBr2
Li2CO3Ca(NO3)2 = Li2(NO3)2CaCO3 =>
Li2CO3Ca(NO3)2 = Li2(NO3)2CaCO3
Pb(C2H3O2)2(aq) + KI(aq) = PbI2(s) + KC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 KI(aq) = PbI2(s) + 2 KC2H3O2(aq)
Na2S(aq) + Pb(C2H3O2)2(aq) = PbS(s) + NaC2H3O2(aq) =>
Na2S(aq) + Pb(C2H3O2)2(aq) = PbS(s) + 2 NaC2H3O2(aq)
Pb(C2H3O2)2(aq) + HCl(aq) = PbCl2(s) + HC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 HCl(aq) = PbCl2(s) + 2 HC2H3O2(aq)
C2H2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + C2H4O2 + H2O =>
3 C2H2 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 C2H4O2 + H2O
Mg(s) + Al(NO3)3(aq) = Al(s) + Mg(NO3)3(aq) =>
Mg(s) + Al(NO3)3(aq) = Al(s) + Mg(NO3)3(aq)
Na2S(aq) + Pb(C2H3O2)2(aq) = PbS(s) + NaC2H3O2(aq) =>
Na2S(aq) + Pb(C2H3O2)2(aq) = PbS(s) + 2 NaC2H3O2(aq)
Sn2(s) + O2(g) = SnO2 =>
Sn2(s) + 2 O2(g) = 2 SnO2
CU + HNO3 = CUN2O6 + NO + H2O =>
3 CU + 8 HNO3 = 3 CUN2O6 + 2 NO + 4 H2O
HCrO4Ag(OH) = AgCrO4H2O =>
HCrO4Ag(OH) = AgCrO4H2O
Mg(s) + Al(NO3)3(aq) = Al(s) + Mg(NO3)3(aq) =>
Mg(s) + Al(NO3)3(aq) = Al(s) + Mg(NO3)3(aq)
C2H2 + K2Cr2O7 + H2SO4 = HOOCCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H2 + 4 K2Cr2O7 + 16 H2SO4 = 3 HOOCCOOH + 4 Cr2(SO4)3 + 4 K2SO4 + 16 H2O
Pb(C2H3O2)2(aq) + KI(aq) = PbI2(s) + KC2H3O2(aq) =>
Pb(C2H3O2)2(aq) + 2 KI(aq) = PbI2(s) + 2 KC2H3O2(aq)
Mg(s) + Al(NO3)3(aq) = Al(s) + Mg(NO3)3(aq) =>
Mg(s) + Al(NO3)3(aq) = Al(s) + Mg(NO3)3(aq)
Na2S(aq) + Pb(C2H3O2)2(aq) = PbS(s) + NaC2H3O2(aq) =>
Na2S(aq) + Pb(C2H3O2)2(aq) = PbS(s) + 2 NaC2H3O2(aq)
H2C2O4 + K2Cr2O4 = K[Cr(C2O4)2(H2O)2] =>
4 H2C2O4 + K2Cr2O4 = 2 K[Cr(C2O4)2(H2O)2]
H{+} + Cr2O7{2-} + Cu = Cr{3+} + Cu{2+} + H2O =>
14 H{+} + Cr2O7{2-} + 3 Cu = 2 Cr{3+} + 3 Cu{2+} + 7 H2O
NaOHH4Fe(CN)6 = Na(NC)6OH5Fe =>
NaOHH4Fe(CN)6 = Na(NC)6OH5Fe
Cr2(Cr2O7)3 + Na2O = Cr2O3 + Na2Cr2O7 =>
Cr2(Cr2O7)3 + 3 Na2O = Cr2O3 + 3 Na2Cr2O7
AgCN + Zn = ZnCN + Ag =>
AgCN + Zn = ZnCN + Ag
CuOH2 + HCl = CuCl + H3O =>
CuOH2 + HCl = CuCl + H3O
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
Li2CO3ZrO2 = Li2ZrO3CO2 =>
Li2CO3ZrO2 = Li2ZrO3CO2
F2PbBr2 = PbF2Br2 =>
F2PbBr2 = PbF2Br2
HCOOAg + H2 = HCOOH + Ag =>
2 HCOOAg + H2 = 2 HCOOH + 2 Ag
AgOH(aq)NaCl(aq) = AgClNaOH =>
AgOH(aq)NaCl(aq) = AgClNaOH
HI(aq)Al(s) = H(g)AlI(s) =>
HI(aq)Al(s) = H(g)AlI(s)
NIO + CO = NI(CO)4 + CO2 =>
NIO + 5 CO = NI(CO)4 + CO2
HMnO4 + HN3 + H2SO4 = MnSO4 + N2 + H2O =>
2 HMnO4 + 10 HN3 + 2 H2SO4 = 2 MnSO4 + 15 N2 + 8 H2O
AICI{-}2 = AICI{-}3 =>
AICI{-}2 = AICI{-}3
KMnO4Na2SO4 = Na2MnO4KSO4 =>
KMnO4Na2SO4 = Na2MnO4KSO4
HClO4 + NaOH = H2O2 + NaClO3 =>
HClO4 + NaOH = H2O2 + NaClO3
Zn(OH)2 + HCO3 = Zn(CO3)2 + H2O =>
Zn(OH)2 + 2 HCO3 = Zn(CO3)2 + 2 H2O
CH3CH2OHO2 = H2OCH3COOH =>
CH3CH2OHO2 = H2OCH3COOH
(PO4)2 = P + O =>
(PO4)2 = 2 P + 8 O
H2NOH + H2O2 = N2O3 + H2O =>
2 H2NOH + 4 H2O2 = N2O3 + 7 H2O
Br + KF = F + BrK =>
Br + KF = F + BrK
Ag{+} + H2O = AgOH + H3O{+} =>
Ag{+} + 2 H2O = AgOH + H3O{+}
HI + K2Cr2O7 + H2SO4 = I2 + K2SO4 + Cr2(SO4)3 + H2O =>
6 HI + K2Cr2O7 + 4 H2SO4 = 3 I2 + K2SO4 + Cr2(SO4)3 + 7 H2O
NaOH(aq)Co(s) = CoOHNa(s) =>
NaOH(aq)Co(s) = CoOHNa(s)
Pb3O4(s) + CO = Pb + CO2 =>
Pb3O4(s) + 4 CO = 3 Pb + 4 CO2
HNO4 + Cu = CuNO4 + H2O + NO2 =>
4 HNO4 + 3 Cu = 3 CuNO4 + 2 H2O + NO2
CrO + KOH + HNO2 = K2CrO4 + H2O + NH3 =>
3 CrO + 6 KOH + 2 HNO2 = 3 K2CrO4 + H2O + 2 NH3
FeSO4*7H2O + MgO = FeO + MgSO4 + H2O =>
FeSO4*7H2O + MgO = FeO + MgSO4 + 7 H2O
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
KMnO4 + C3H5(OH)3 = K2CO3 + CO6 + H2O + Mn2O3 =>
38 KMnO4 + 8 C3H5(OH)3 = 19 K2CO3 + 5 CO6 + 32 H2O + 19 Mn2O3
C2H5COOH + K2Mn2O7 + H2SO4 = CO2 + MnSO4 + H2O + K2SO4 =>
4 C2H5COOH + 7 K2Mn2O7 + 21 H2SO4 = 12 CO2 + 14 MnSO4 + 33 H2O + 7 K2SO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/25/24
Équations équilibrées sur05/25/23
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