| Équations équilibrées la veille |
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Al + V2O5 = V + Al2O3 =>
10 Al + 3 V2O5 = 6 V + 5 Al2O3
S + CaF = Ca + SF =>
S + CaF = Ca + SF
SnO2 = Sn{2+} + O2 + e =>
SnO2 = Sn{2+} + O2 + 2e
Cu2FeS2 + O2 = Cu2O + Fe3O4 + SO2 =>
6 Cu2FeS2 + 19 O2 = 6 Cu2O + 2 Fe3O4 + 12 SO2
Na2S(aq) + Cu3N2(aq) = Na3N(aq) + CuS(s) =>
3 Na2S(aq) + Cu3N2(aq) = 2 Na3N(aq) + 3 CuS(s)
NH4Cl + KCl = KNH3 + HCl2 =>
NH4Cl + KCl = KNH3 + HCl2
Be3N2 + Na(C2H3O2) = Na3N + Be(C2H3O2)2 =>
Be3N2 + 6 Na(C2H3O2) = 2 Na3N + 3 Be(C2H3O2)2
H2S + CuO = Cu + H2O + SO2 =>
H2S + 3 CuO = 3 Cu + H2O + SO2
NH4OH + H2C2O4 = H2O + (NH4)2C2O4 =>
2 NH4OH + H2C2O4 = 2 H2O + (NH4)2C2O4
Fe(CN)6 + MnO4 = Fe + CO2 + NO3 + Mn =>
2 Fe(CN)6 + 15 MnO4 = 2 Fe + 12 CO2 + 12 NO3 + 15 Mn
K2Cr2O7 + Na2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + Na2SO4 =>
4 K2Cr2O7 + 3 Na2S + 16 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O + 3 Na2SO4
C3H8O + Cu(OH)2 = C3H6O2 + Cu2O + H2O =>
C3H8O + 4 Cu(OH)2 = C3H6O2 + 2 Cu2O + 5 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
KBr + Pb(NO3)2 = KNO3 + PbBr2 =>
2 KBr + Pb(NO3)2 = 2 KNO3 + PbBr2
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
(CH3COOH)2Ca + NaOH = CH3COOHNa + Ca(OH)2 =>
(CH3COOH)2Ca + 2 NaOH = 2 CH3COOHNa + Ca(OH)2
LiAlH4 + H2O = LiOH + (Al2)O3 + H2 =>
2 LiAlH4 + 5 H2O = 2 LiOH + (Al2)O3 + 8 H2
KHP + KOH = K2P + H2O =>
KHP + KOH = K2P + H2O
HCl + CrCl2 = CrCl3 + H2 =>
2 HCl + 2 CrCl2 = 2 CrCl3 + H2
Al + H2SO4 = (Al2SO4) + H2 =>
2 Al + H2SO4 = (Al2SO4) + H2
(CH3NH3)CN = HCN + CH3NH2 =>
(CH3NH3)CN = HCN + CH3NH2
CuCl2(aq) + Na2CO3(aq) = CuCO3(l) + NaCl(aq) =>
CuCl2(aq) + Na2CO3(aq) = CuCO3(l) + 2 NaCl(aq)
CuCl2 + CuO + Fe2O3 = Cu2FeO3Cl =>
CuCl2 + 3 CuO + Fe2O3 = 2 Cu2FeO3Cl
C02 + O = CO2 =>
C02 + 4 O = 2 CO2
NaI + H2SO4 = I2 + SO2 + Na2SO4 + H2O =>
2 NaI + 2 H2SO4 = I2 + SO2 + Na2SO4 + 2 H2O
CH3CH2CH2OH + CH3CH2CH2COOH = CH3CH2CH2CH2COOH + H2O =>
CH3CH2CH2OH + 3 CH3CH2CH2COOH = 3 CH3CH2CH2CH2COOH + H2O
SrCl2 + Li2S = LiCl + SrS =>
SrCl2 + Li2S = 2 LiCl + SrS
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
HCl + HClO3 = H2O + Cl3 =>
5 HCl + HClO3 = 3 H2O + 2 Cl3
Na4(CO3)2 = Na2O + CO2 =>
Na4(CO3)2 = 2 Na2O + 2 CO2
CdSO4(aq) + KOH(aq) = Cd(OH)2(s) + K2SO4(aq) =>
CdSO4(aq) + 2 KOH(aq) = Cd(OH)2(s) + K2SO4(aq)
N2(iii) + O2 = N2O3 =>
2 N2(iii) + 3 O2 = 2 N2O3
(C)3(H)8 + O2 = CO2 + (H)2(O) =>
(C)3(H)8 + 5 O2 = 3 CO2 + 4(H)2(O)
H2PO4{-} + H2O = OH{-} + H3PO4 =>
H2PO4{-} + H2O = OH{-} + H3PO4
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Al + C315F640O95I10 = Al2O3 + AlF3 + AlI3 + C =>
840 Al + 3 C315F640O95I10 = 95 Al2O3 + 640 AlF3 + 10 AlI3 + 945 C
(NH4)3PO3 + Ni(NO2)4 = Ni3(PO3)4 + NH4NO2 =>
4(NH4)3PO3 + 3 Ni(NO2)4 = Ni3(PO3)4 + 12 NH4NO2
NiCl2 + (NH4)2C2O4 = (NH4)2Cl2 + NiC2O4 =>
NiCl2 + (NH4)2C2O4 = (NH4)2Cl2 + NiC2O4
AgH(s) + HClO4(aq) = Cl2(g) + H2O(l) + AgClO4 =>
7 AgH(s) + 9 HClO4(aq) = Cl2(g) + 8 H2O(l) + 7 AgClO4
CaCl2(aq) + KNO3(aq) = Ca(NO3)2(s) + KCl(aq) =>
CaCl2(aq) + 2 KNO3(aq) = Ca(NO3)2(s) + 2 KCl(aq)
Cu(s) + AgNo3(aq) = Cu(No3)(aq) + Ag(s) =>
Cu(s) + AgNo3(aq) = Cu(No3)(aq) + Ag(s)
H2S + NHO5 = H2SO4 + NO + H2O =>
7 H2S + 8 NHO5 = 7 H2SO4 + 8 NO + 4 H2O
C6H3ClN2O4 + NaHCO3 = C7H4N2O7 + NaCl =>
C6H3ClN2O4 + NaHCO3 = C7H4N2O7 + NaCl
BaCl2 + Na2CO3 = CO3Ba + NaCl =>
BaCl2 + Na2CO3 = CO3Ba + 2 NaCl
Zr(OH)4(s) + HNO3(aq) = Zr(NO3)(aq) + H(OH)4 =>
Zr(OH)4(s) + HNO3(aq) = Zr(NO3)(aq) + H(OH)4
CrCl3 + KBiO3 + HCl = K2Cr2O7 + BiCl3 + KCl + H2O =>
2 CrCl3 + 3 KBiO3 + 4 HCl = K2Cr2O7 + 3 BiCl3 + KCl + 2 H2O
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
K2SO4 + H2O2 = K2O2 + H2SO4 =>
K2SO4 + H2O2 = K2O2 + H2SO4
C10H9N + O2 = CO2 + H2O + N2 =>
4 C10H9N + 49 O2 = 40 CO2 + 18 H2O + 2 N2
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