| Équations équilibrées la veille |
C2H6N2O + 3 O2 = 2 CO2 + 3 H2O + N2
BaCl2 + Ca(CO)3 = Ba(CO)2 + CaCl3 =>
3 BaCl2 + 2 Ca(CO)3 = 3 Ba(CO)2 + 2 CaCl3
Cr2O3 + H2O = Cr(OH0)3 =>
Cr2O3 + 3 H2O = 2 Cr(OH0)3
Sb4O6 + NaOH + H2O = NaSb(OH)4 =>
Sb4O6 + 4 NaOH + 6 H2O = 4 NaSb(OH)4
CgO + H2O = Cg(OH)2 =>
CgO + H2O = Cg(OH)2
Mg2 + Hg2Cl2 = Hg2 + MgCl =>
Mg2 + Hg2Cl2 = Hg2 + 2 MgCl
Na2S + Cu(C2H2O2)2 = CuS + NaC2H2O2 =>
Na2S + Cu(C2H2O2)2 = CuS + 2 NaC2H2O2
BaCl2 + Ca(CO)3 = Ba(CO)2 + CaCl3 =>
3 BaCl2 + 2 Ca(CO)3 = 3 Ba(CO)2 + 2 CaCl3
MgCH2SO4 = CO2MgH2SO2 =>
MgCH2SO4 = CO2MgH2SO2
BaH2 + HCl = H2 + BaCl =>
2 BaH2 + 2 HCl = 3 H2 + 2 BaCl
NH3 + O3 = NH3O =>
3 NH3 + O3 = 3 NH3O
Mo + HNO3 + HCl = H2(MoCl8) + NO + H2O =>
Mo + 2 HNO3 + 8 HCl = H2(MoCl8) + 2 NO + 4 H2O
Sn(NO3)2 + Ag = AgNO3 + Sn =>
Sn(NO3)2 + 2 Ag = 2 AgNO3 + Sn
C59 = C1853 =>
1853 C59 = 59 C1853
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
DXM + HCl = DXMHCl =>
DXM + HCl = DXMHCl
BaCl2 + Ca(CO)3 = Ba(CO)2 + CaCl3 =>
3 BaCl2 + 2 Ca(CO)3 = 3 Ba(CO)2 + 2 CaCl3
Fe3(PO4)2 + K = Fe + K3PO4 =>
Fe3(PO4)2 + 6 K = 3 Fe + 2 K3PO4
CaCO3O2 = CO3O2Ca =>
CaCO3O2 = CO3O2Ca
HBrO3 + H2O + XeF2 = HBrO4 + HF + Xe =>
HBrO3 + H2O + XeF2 = HBrO4 + 2 HF + Xe
K2SiO3 + H2CO3 = K2CO3 + H2SiO3 =>
K2SiO3 + H2CO3 = K2CO3 + H2SiO3
H(OH) + Mg3N2 = NH3 + Mg(OH)2 =>
6 H(OH) + Mg3N2 = 2 NH3 + 3 Mg(OH)2
HClCuSO4 = HSO4CuCl =>
HClCuSO4 = HSO4CuCl
Na2S + Mg(NO3)2 = Mg2S2 + Na2(NO3)2 =>
2 Na2S + 2 Mg(NO3)2 = Mg2S2 + 2 Na2(NO3)2
C2H5OH + NaOH = C2H5O2Na + H2 =>
C2H5OH + NaOH = C2H5O2Na + H2
Na2CO3 + AgNO2 = AgCO3 + Na2NO2 =>
Na2CO3 + AgNO2 = AgCO3 + Na2NO2
Fe2S3 + AgNO3 = Ag2S + Fe(NO3)3 =>
Fe2S3 + 6 AgNO3 = 3 Ag2S + 2 Fe(NO3)3
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
MgCO3 + Nb2O5 = MgNb2O6 + CO2 =>
MgCO3 + Nb2O5 = MgNb2O6 + CO2
MgI2 + K2CrO4 + H2SO4 = I2 + MgSO4 + K2SO4 + H2O + Cr2(SO4)3 =>
3 MgI2 + 2 K2CrO4 + 8 H2SO4 = 3 I2 + 3 MgSO4 + 2 K2SO4 + 8 H2O + Cr2(SO4)3
CuO + NaHSO4 = CuSO4 + Na2SO4 + H2O =>
CuO + 2 NaHSO4 = CuSO4 + Na2SO4 + H2O
Ag(NO3) + MgI2 = AgI + Mg(NO3)2 =>
2 Ag(NO3) + MgI2 = 2 AgI + Mg(NO3)2
Ag(s) + HCl(l) = AgCl(aq) + H2(g) =>
2 Ag(s) + 2 HCl(l) = 2 AgCl(aq) + H2(g)
Pb(OH)2 + KOH + H2O = K4[Pb(OH)8] + H2 =>
Pb(OH)2 + 4 KOH + 2 H2O = K4[Pb(OH)8] + H2
CH3F + H2O = CH3OH + HF =>
CH3F + H2O = CH3OH + HF
KOH + CH3COOC2H5 = CH3COOK + C2H5O =>
2 KOH + 3 CH3COOC2H5 = 2 CH3COOK + 4 C2H5O
Ca10(PO4)6(OH)2 + HCl = CaCl2 + H3PO4 + H2O =>
Ca10(PO4)6(OH)2 + 20 HCl = 10 CaCl2 + 6 H3PO4 + 2 H2O
FeCl3 + K3[Fe(Cn)6] = Fe3[Fe(Cn)6]3 + KCl =>
3 FeCl3 + 3 K3[Fe(Cn)6] = Fe3[Fe(Cn)6]3 + 9 KCl
H{+} + Cr2O72{-} + C2H5OH = Cr3{+} + CO2 + H2O =>
60 H{+} + 36 Cr2O72{-} + 427 C2H5OH = 24 Cr3{+} + 854 CO2 + 1311 H2O
C7H6O + Ag(NH3)2OH = HCOONH4 + Ag + NH3 + H2O =>
C7H6O + 18 Ag(NH3)2OH = 7 HCOONH4 + 18 Ag + 29 NH3 + 5 H2O
CO + H2 = CH + O2 =>
2 CO + H2 = 2 CH + O2
S + NaOH = Na2S2 + OH =>
2 S + 2 NaOH = Na2S2 + 2 OH
CH3CHO + Br2 + H2O = CH3COOH + HBr =>
CH3CHO + Br2 + H2O = CH3COOH + 2 HBr
BaC2O4 + HCl = BaCl + HC2O4 =>
BaC2O4 + HCl = BaCl + HC2O4
(CONCl)3 + HCl = Cl2 + HCONCl =>
2(CONCl)3 + 6 HCl = 3 Cl2 + 6 HCONCl
Cu2 + H2(SO4) = Cu2(SO4)2 + H2O + SO2 =>
Cu2 + 4 H2(SO4) = Cu2(SO4)2 + 4 H2O + 2 SO2
BrH3NCH2COOCH2C6H5H2O = H2NCH2COOHCH3BrC6H5OH =>
BrH3NCH2COOCH2C6H5H2O = H2NCH2COOHCH3BrC6H5OH
NH4Cl + CaO(s) = NH3 + H2O + CaCl2 =>
2 NH4Cl + CaO(s) = 2 NH3 + H2O + CaCl2
CH3CONH2HBr = CH3CONH3Br =>
CH3CONH2HBr = CH3CONH3Br
Bi2 = Bi =>
Bi2 = 2 Bi
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