| Équations équilibrées la veille |
8 H5 = 5 H8
Cu(No3)2 + KI = CuI + I2 + KNo3 =>
2 Cu(No3)2 + 4 KI = 2 CuI + I2 + 4 KNo3
C5H5NH + C2H5OH = C5H5N + C2H6OH =>
C5H5NH + C2H5OH = C5H5N + C2H6OH
Li2SiO3 = Li2O + SiO2 =>
Li2SiO3 = Li2O + SiO2
C9H12O + CrO3 + H2SO4 = C9H10O2 + Cr2(SO4)3 + H2O =>
3 C9H12O + 4 CrO3 + 6 H2SO4 = 3 C9H10O2 + 2 Cr2(SO4)3 + 9 H2O
Zn + Ag3AsO4 + OH{-} = AsH3 + ZnO2{-2} + Ag + H2O =>
11 Zn + 2 Ag3AsO4 + 22 OH{-} = 2 AsH3 + 11 ZnO2{-2} + 6 Ag + 8 H2O
Co(H2O)6Cl2 + (NH4)2CO3 = Co(NH3)4Cl2 + H2O + CO2 =>
Co(H2O)6Cl2 + 2(NH4)2CO3 = Co(NH3)4Cl2 + 8 H2O + 2 CO2
HCOOH + AgNO3 + (NH4)2CO3 = NH4OH + Ag + CO2 =>
9 HCOOH + 2 AgNO3 + 4(NH4)2CO3 = 10 NH4OH + 2 Ag + 13 CO2
Ca + HNO3 = Ca(NO3)2 + H2 =>
Ca + 2 HNO3 = Ca(NO3)2 + H2
NCl3 + H2O = NH3 + Cl2O =>
2 NCl3 + 3 H2O = 2 NH3 + 3 Cl2O
CaCO3 + MgCO3 = CO2 + MgCaO2 =>
CaCO3 + MgCO3 = 2 CO2 + MgCaO2
MnO2 + HCI2 = MnCI2 + CI2 + H2O =>
MnO2 + 4 HCI2 = MnCI2 + 3 CI2 + 2 H2O
Al + HNO3 + K2Cr2O7 = Al(NO3)3 + KNO3 + Cr(NO3)3 + H2O =>
2 Al + 14 HNO3 + K2Cr2O7 = 2 Al(NO3)3 + 2 KNO3 + 2 Cr(NO3)3 + 7 H2O
H2OCO3 = HCO3OH =>
H2OCO3 = HCO3OH
KClO3 + HBr = KCl + H3O + Br2 =>
2 KClO3 + 18 HBr = 2 KCl + 6 H3O + 9 Br2
Cs2O + SO2 = Cs2SO3 =>
Cs2O + SO2 = Cs2SO3
Cu(HO)2 + C2H4O2 = CuH4O2 + COH =>
Cu(HO)2 + C2H4O2 = CuH4O2 + 2 COH
S2F2 + H2O = S8 + SO3 + HF =>
24 S2F2 + 24 H2O = 5 S8 + 8 SO3 + 48 HF
H + S + O2 = HSO4 =>
H + S + 2 O2 = HSO4
HNO3 + H3PO4 + PbS = NO + H2O + S + Pb3(PO4)2 =>
2 HNO3 + 2 H3PO4 + 3 PbS = 2 NO + 4 H2O + 3 S + Pb3(PO4)2
SnCl2*HCl + NaOH = Na2SnO2 + NaCl + H2O =>
SnCl2*HCl + 5 NaOH = Na2SnO2 + 3 NaCl + 3 H2O
Fe(CH3COO)3 + CrSO4 = Cr(CH3COO)2 + Fe2(SO4)3 =>
2 Fe(CH3COO)3 + 3 CrSO4 = 3 Cr(CH3COO)2 + Fe2(SO4)3
Sn + Pb(No3)2 = Pb + Sn(No3)3 =>
2 Sn + 3 Pb(No3)2 = 3 Pb + 2 Sn(No3)3
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
MnO4{-} + SO2 + Br{-} = Mn{+2} + SO4{-2} + Br2 =>
2 MnO4{-} + 4 SO2 + 2 Br{-} = 2 Mn{+2} + 4 SO4{-2} + Br2
Hg2(NO3)2 + CuSO4 = Hg(SO4)2 + Cu2NO3 =>
Hg2(NO3)2 + 4 CuSO4 = 2 Hg(SO4)2 + 2 Cu2NO3
KHO + AlCl3 = AlOH + KCl3 =>
KHO + AlCl3 = AlOH + KCl3
Zn(s) + HNO2(aq) + H{+}(aq) = Zn{2+}(aq) + NO(g) + H2O(l) =>
Zn(s) + 2 HNO2(aq) + 2 H{+}(aq) = Zn{2+}(aq) + 2 NO(g) + 2 H2O(l)
NaI + Na2O2 + H2SO4 = Na2SO4 + I2 + H2O =>
2 NaI + Na2O2 + 2 H2SO4 = 2 Na2SO4 + I2 + 2 H2O
NaBr + Pb(CH3CO2)2 = NaCH3CO2 + PbBr2 =>
2 NaBr + Pb(CH3CO2)2 = 2 NaCH3CO2 + PbBr2
H{+]+Cu+HNO3 = Cu{2+}+NO+H2O =>
6 H{+]+3Cu+2HNO3 = 3 Cu{2+}+2NO+4H2O
O2 + C3H8 = C8 + O3H2 =>
48 O2 + 8 C3H8 = 3 C8 + 32 O3H2
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
CHCl3 + CH3COCH3 = CHCl3CH3COCH3 =>
CHCl3 + CH3COCH3 = CHCl3CH3COCH3
Sr(OH)2 + H2SiO3 = Sr(HSiO3)2 + H2O =>
Sr(OH)2 + 2 H2SiO3 = Sr(HSiO3)2 + 2 H2O
Cs + Cl = Cs1Cl1 =>
Cs + Cl = Cs1Cl1
C10H14N2 + O2 = CO2 + H2 + N1 =>
C10H14N2 + 10 O2 = 10 CO2 + 7 H2 + 2 N1
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
Na + NNO3 = Na2O + N2 =>
6 Na + NNO3 = 3 Na2O + N2
Cu2 + H2 = CuH =>
Cu2 + H2 = 2 CuH
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
HNO2 + NaBrO3 = NaBr + NO2 + H2O =>
6 HNO2 + NaBrO3 = NaBr + 6 NO2 + 3 H2O
Cu + SCN + KIO3 + HCl = CuSO4 + KCl + HCN + ICl + H2O =>
4 Cu + 4 SCN + 7 KIO3 + 14 HCl = 4 CuSO4 + 7 KCl + 4 HCN + 7 ICl + 5 H2O
H2SeO4 + Cs(OH)2 = Cs2(SeO4)2 + H2O =>
2 H2SeO4 + 2 Cs(OH)2 = Cs2(SeO4)2 + 4 H2O
C8H18 = C2H4 + C3H8 =>
2 C8H18 = 5 C2H4 + 2 C3H8
HBr + NaNO3 + AgNO3 = AgBr + NaH + NO3 =>
HBr + NaNO3 + AgNO3 = AgBr + NaH + 2 NO3
Fe(OH)3 + (NH4)2CO3 = Fe2(CO3)3 + NH4OH =>
2 Fe(OH)3 + 3(NH4)2CO3 = Fe2(CO3)3 + 6 NH4OH
H2SO4 + Cu2 = CuS + CuSO4 + H2O =>
4 H2SO4 + 2 Cu2 = CuS + 3 CuSO4 + 4 H2O
C2H5OHCO2 = CH3CO2H =>
2 C2H5OHCO2 = 3 CH3CO2H
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