Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2Cr2O7 + Cu(NO3)2 = 2 Na(NO3) + Cu(Cr2O7)
CuCo3 + O2 = CuO + Co2 =>
2 CuCo3 + O2 = 2 CuO + 3 Co2
C2H6 + Cl2 = C2H5C + HCl =>
3 C2H6 + 4 Cl2 = 2 C2H5C + 8 HCl
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
H2SO4 + NaOH = NaHSO4 + H2O =>
H2SO4 + NaOH = NaHSO4 + H2O
Na + HNO3 = Na(NO3)3 + H2O + NH3 =>
8 Na + 27 HNO3 = 8 Na(NO3)3 + 9 H2O + 3 NH3
N2O10 = N2O4 + O2 =>
N2O10 = N2O4 + 3 O2
MgF2 + K2SO4 = MgSO4 + F2K2 =>
MgF2 + K2SO4 = MgSO4 + F2K2
HCl(l) + NaOH(l) = H2O(l) + NaCl =>
HCl(l) + NaOH(l) = H2O(l) + NaCl
Zn(NO3)2 + Cu(CH3COO)2 + CH3COOH = Zn095Cu005O + CO2 + H2O + N2 =>
190 Zn(NO3)2 + 10 Cu(CH3COO)2 + 267 CH3COOH = 2 Zn095Cu005O + 574 CO2 + 564 H2O + 190 N2
EDTA + Ca3(PO4)2 = CaEDTA + PO4 =>
3 EDTA + Ca3(PO4)2 = 3 CaEDTA + 2 PO4
KI + BaCO3 = BaI2 + K2CO3 =>
2 KI + BaCO3 = BaI2 + K2CO3
MnO2(S) + H2SO4(I) = Mn(SO4)2(S) + H2O(I) =>
MnO2(S) + 2 H2SO4(I) = Mn(SO4)2(S) + 2 H2O(I)
K2Cr2O7 + H3BO3 = Cr2(B4O7)3 + K2B4O7 + H2O + O2 =>
2 K2Cr2O7 + 32 H3BO3 = 2 Cr2(B4O7)3 + 2 K2B4O7 + 48 H2O + 3 O2
(NH4)2CO3 + Mg3(PO4)2 = MgCO3 + (NH4)3PO4 =>
3(NH4)2CO3 + Mg3(PO4)2 = 3 MgCO3 + 2(NH4)3PO4
In(s) + Cd{2+}(aq) = In{3+}(aq) + Cd(s) =>
2 In(s) + 3 Cd{2+}(aq) = 2 In{3+}(aq) + 3 Cd(s)
CH3CH2OHCH3CH2Cl = CH3CH2OCH2CH3HCl =>
CH3CH2OHCH3CH2Cl = CH3CH2OCH2CH3HCl
C2H5COOH + H2O = C2H5COO{-} + H3O{+} =>
C2H5COOH + H2O = C2H5COO{-} + H3O{+}
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
MgCl2(aq) + Na2CO3(aq) = MgCO3(s) + NaCl(aq) =>
MgCl2(aq) + Na2CO3(aq) = MgCO3(s) + 2 NaCl(aq)
NH3HNO3 = NH4NO3 =>
NH3HNO3 = NH4NO3
HFO3 + Al(OH)3 = Al(FO3)3 + H2O =>
3 HFO3 + Al(OH)3 = Al(FO3)3 + 3 H2O
C16H34 + O2(s) = CO2(g) + H2O(g) =>
2 C16H34 + 49 O2(s) = 32 CO2(g) + 34 H2O(g)
CaOH + Cl2O3 = CaClO2 + H2O =>
2 CaOH + Cl2O3 = 2 CaClO2 + H2O
CH3CH20H + Cr2O7{2-} + H{+} = Cr{3+} + CH3CHO + H2O =>
3 CH3CH20H + 11 Cr2O7{2-} + 88 H{+} = 22 Cr{3+} + 3 CH3CHO + 74 H2O
K2Cr2O7 + NaCl + H2SO4 = Cr2(SO4) + Cl + K2SO4 + Na2SO4 + H2O =>
K2Cr2O7 + 10 NaCl + 7 H2SO4 = Cr2(SO4) + 10 Cl + K2SO4 + 5 Na2SO4 + 7 H2O
Ag1(NO3)1 + HCl = AgCl + (HNO3)1 =>
Ag1(NO3)1 + HCl = AgCl + (HNO3)1
Ca3(PO4)2 + (NH4)2SO4 = CaSO4 + (NH4)3 + (PO4) =>
Ca3(PO4)2 + 3(NH4)2SO4 = 3 CaSO4 + 2(NH4)3 + 2(PO4)
Cu + IO3{-} + H{+} = I2 + Cu{+2} + H2O =>
5 Cu + 2 IO3{-} + 12 H{+} = I2 + 5 Cu{+2} + 6 H2O
HC2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + KC2H3O2(aq)(aq) =>
2 HC2H3O2(aq) + K2CO3(aq) = H2O(l) + CO2(g) + 2 KC2H3O2(aq)(aq)
PbS + HNO3 = H2O + NO2 + Pb(NO3)2 + S =>
PbS + 4 HNO3 = 2 H2O + 2 NO2 + Pb(NO3)2 + S
Cu(NO3)2 + Li = Li(NO3)2 + Cu =>
Cu(NO3)2 + Li = Li(NO3)2 + Cu
H2SO4(l) + KI(s) = K2SO4 + I2 + H2S + H2O =>
5 H2SO4(l) + 8 KI(s) = 4 K2SO4 + 4 I2 + H2S + 4 H2O
CaCl2 + MgSO4 = Cl2Mg + CaSO4 =>
CaCl2 + MgSO4 = Cl2Mg + CaSO4
Cu + N = Cu2N3 =>
2 Cu + 3 N = Cu2N3
AgNO3 + KBr = AgBr + KNO3 =>
AgNO3 + KBr = AgBr + KNO3
Na2HAsO3 + HCl = Na2H2ClO3 + As =>
Na2HAsO3 + HCl = Na2H2ClO3 + As
ZnO + CaCO3 + (NH4)2HPO4 = CaZn2(PO4)2 + CO2 + H2 + H2O + N2 =>
2 ZnO + CaCO3 + 2(NH4)2HPO4 = CaZn2(PO4)2 + CO2 + 6 H2 + 3 H2O + 2 N2
Na2CO3 + Ag(NO3)2 = Na2(NO3)2 + AgCO3 =>
Na2CO3 + Ag(NO3)2 = Na2(NO3)2 + AgCO3
K + HNO3 = H2 + KNO3 =>
2 K + 2 HNO3 = H2 + 2 KNO3
I + CO2 = I2O5 + CO =>
2 I + 5 CO2 = I2O5 + 5 CO
Fe2O3 + HCl = Fe(Cl)3 + H2O =>
Fe2O3 + 6 HCl = 2 Fe(Cl)3 + 3 H2O
AlCl3 + Mg3(Po4)2 = MgCl2 + AlPo4 =>
2 AlCl3 + Mg3(Po4)2 = 3 MgCl2 + 2 AlPo4
V + F2 = VF5 =>
2 V + 5 F2 = 2 VF5
Fe2 + O2 = Fe2O3 =>
2 Fe2 + 3 O2 = 2 Fe2O3
Pb2S7 + HNO3 = Pb(NO3)7 + SO2 + N2O + H2O =>
4 Pb2S7 + 98 HNO3 = 8 Pb(NO3)7 + 28 SO2 + 21 N2O + 49 H2O
(NH4)2CrO4 + Pb(NO3)2 = (NH4)(NO3) + PbCrO4 =>
(NH4)2CrO4 + Pb(NO3)2 = 2(NH4)(NO3) + PbCrO4
HNO2 + Au(OH) = AuNO2 + H2O =>
HNO2 + Au(OH) = AuNO2 + H2O
K2Cr2O7 + CH3OH = CH2O + H2O + KCrO2 =>
K2Cr2O7 + 3 CH3OH = 3 CH2O + 3 H2O + 2 KCrO2
NaHCO3 + C6H8O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + C6H8O7 = 3 CO2 + 3 H2O + Na3C6H5O7
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