| Équations équilibrées la veille |
CrOHSO4 + 2 NaOH = Cr(OH)3 + Na2(SO4)
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Na2(CO3) + CuCl2 = NaCl + CuCO3 =>
Na2(CO3) + CuCl2 = 2 NaCl + CuCO3
N2 + S2 = N2S =>
2 N2 + S2 = 2 N2S
Cd(OH)2 + NH4OH = [Cd(NH3)6](OH)2 + H2O =>
Cd(OH)2 + 6 NH4OH = [Cd(NH3)6](OH)2 + 6 H2O
Fe(OH)2 + C = Fe3O4 + H2 + CO2 =>
3 Fe(OH)2 + C = Fe3O4 + 3 H2 + CO2
Na2C2O4 + KMnO4 + H2O = NaOH + KOH + CO2 + MnO2 =>
3 Na2C2O4 + 2 KMnO4 + 4 H2O = 6 NaOH + 2 KOH + 6 CO2 + 2 MnO2
H2SO4 + CuFl = HFl + Cu2SO4 =>
H2SO4 + 2 CuFl = 2 HFl + Cu2SO4
Cr + HNO3 = Cr2O3 + NO2 + H2O =>
2 Cr + 6 HNO3 = Cr2O3 + 6 NO2 + 3 H2O
Na2S2O5 + Cl2 = NaCl + Na2S2O7 + SO2 =>
3 Na2S2O5 + 2 Cl2 = 4 NaCl + Na2S2O7 + 4 SO2
Al2O5 = Al + O2 =>
2 Al2O5 = 4 Al + 5 O2
FeCr2O4 + O2 = Fe2O3 + Cr2O3 =>
4 FeCr2O4 + O2 = 2 Fe2O3 + 4 Cr2O3
Pt(OH)2 = PtO + H2O =>
Pt(OH)2 = PtO + H2O
C2H4(aq) + O2(g) = CH3CHO(l) =>
2 C2H4(aq) + O2(g) = 2 CH3CHO(l)
CoOOH + HCl = CoCl2 + H2O + Cl2 =>
2 CoOOH + 6 HCl = 2 CoCl2 + 4 H2O + Cl2
Al(OH)3 + NaOH = Na[Al(OH)4] =>
Al(OH)3 + NaOH = Na[Al(OH)4]
ZnCl2 + KSiO3 = ZnSiO3 + KCl2 =>
ZnCl2 + KSiO3 = ZnSiO3 + KCl2
Na2S + Cu(OH)2 = NaOH + CuS =>
Na2S + Cu(OH)2 = 2 NaOH + CuS
NaI + K2Cr2O7 = KI + Na2Cr2O7 =>
2 NaI + K2Cr2O7 = 2 KI + Na2Cr2O7
H2O + N2 = NH3 + OHN =>
3 H2O + 2 N2 = NH3 + 3 OHN
Cu2Br + NaOH = Cu2OH + NaBr =>
Cu2Br + NaOH = Cu2OH + NaBr
H2O + N2 = NH3 + OHN =>
3 H2O + 2 N2 = NH3 + 3 OHN
RbOH + HCl = RbCl + H2O(l) =>
RbOH + HCl = RbCl + H2O(l)
Ca + SnBr2 = CaBr + Sn =>
2 Ca + SnBr2 = 2 CaBr + Sn
HNO3 + SrCO3 = Sr(NO3)2 + H2O + CO2 =>
2 HNO3 + SrCO3 = Sr(NO3)2 + H2O + CO2
FeSO4 + K4Fe(CN)6 = Fe2(Fe(CN)6) + K2(SO4) =>
2 FeSO4 + K4Fe(CN)6 = Fe2(Fe(CN)6) + 2 K2(SO4)
PbS + HNO3 = PbSO4 + NO + H2O =>
3 PbS + 8 HNO3 = 3 PbSO4 + 8 NO + 4 H2O
H2O + N2 = NH3 + OHN =>
3 H2O + 2 N2 = NH3 + 3 OHN
Pb(CO3)2(s) + HBr(aq) = H2O(l) + CO2(g) + PbBr4(aq) =>
Pb(CO3)2(s) + 4 HBr(aq) = 2 H2O(l) + 2 CO2(g) + PbBr4(aq)
K4[Fe(CN)6] + HClO4 = H4[Fe(CN)6] + KClO4 =>
K4[Fe(CN)6] + 4 HClO4 = H4[Fe(CN)6] + 4 KClO4
CuCl2 + Na2S = Na2Cl2 + CuS =>
CuCl2 + Na2S = Na2Cl2 + CuS
Bi2O3 + C7H6O3 = C7H5BiO4 + H2O =>
Bi2O3 + 2 C7H6O3 = 2 C7H5BiO4 + H2O
BaCO3 + Fe2O3 + Co2O3 = Ba3Co2Fe24O41 + CO2 + O2 =>
6 BaCO3 + 24 Fe2O3 + 2 Co2O3 = 2 Ba3Co2Fe24O41 + 6 CO2 + O2
CH2 = C + H =>
CH2 = C + 2 H
AgNO3(aq) + CuCl2(aq) = AgCl(s) + Cu(NO3)2(aq) =>
2 AgNO3(aq) + CuCl2(aq) = 2 AgCl(s) + Cu(NO3)2(aq)
H3PO4 + Fe(NO3)2 = HNO3 + Fe3(PO4)2 =>
2 H3PO4 + 3 Fe(NO3)2 = 6 HNO3 + Fe3(PO4)2
Cr(SCN)4(NH3)2 = Cr + SCN + NH3 =>
Cr(SCN)4(NH3)2 = Cr + 4 SCN + 2 NH3
Al + Br2 = Al3Br =>
6 Al + Br2 = 2 Al3Br
Na3PO4(ac) + BaCl2(ac) = Ba3(PO4)2(s) + NaCl(ac) =>
2 Na3PO4(ac) + 3 BaCl2(ac) = Ba3(PO4)2(s) + 6 NaCl(ac)
VOCl3 + NaOH = Na3VO4 + NaCl + H2O =>
VOCl3 + 6 NaOH = Na3VO4 + 3 NaCl + 3 H2O
SiO2 + NH4H2PO4 = SiO4 + NH4H2PO2 =>
SiO2 + NH4H2PO4 = SiO4 + NH4H2PO2
Te + H{+} + UO2{2+} = TeO4{2-} + U{4+} + H2O =>
Te + 4 H{+} + 3 UO2{2+} = TeO4{2-} + 3 U{4+} + 2 H2O
H2 + MnO = H2O + Mn =>
H2 + MnO = H2O + Mn
BaBr2 + H2O = HBr + Ba(OH)2 =>
BaBr2 + 2 H2O = 2 HBr + Ba(OH)2
FeSO4*7H2O + FeCl3 + NaOH = H2O + Fe3O4 + NaCl + H2SO4 =>
FeSO4*7H2O + 2 FeCl3 + 6 NaOH = 9 H2O + Fe3O4 + 6 NaCl + H2SO4
H2SO4 + KMgO4 = K2SO4 + MgSO4 + H2O + O =>
3 H2SO4 + 2 KMgO4 = K2SO4 + 2 MgSO4 + 3 H2O + 5 O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Mg2{+} + O2{-} = Mg2O2 =>
Mg2{+} + O2{-} = Mg2O2
Ca(HCO3)2 = CaCO3 + CO2 + H2O =>
Ca(HCO3)2 = CaCO3 + CO2 + H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
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