Équations équilibrées la veille |
2 PBr3 + 5 H2SO4 = 3 Br2 + 5 SO2 + 2 H3PO4 + 2 H2O
AlCl3 + H2O + Zn = AlOHCl2 + ZnCl2 + H2 =>
2 AlCl3 + 2 H2O + Zn = 2 AlOHCl2 + ZnCl2 + H2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
C7H16 + O2 = CO2 + H2O2 =>
C7H16 + 15 O2 = 7 CO2 + 8 H2O2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Na3PO4 + Sr(ClO3)2 = Sr3(PO4)2 + NaClO3 =>
2 Na3PO4 + 3 Sr(ClO3)2 = Sr3(PO4)2 + 6 NaClO3
BeCl2 + Ag(NO3) = Be(NO3)2 + AgCl =>
BeCl2 + 2 Ag(NO3) = Be(NO3)2 + 2 AgCl
GaBr3 + F = GaF3 + Br2 =>
2 GaBr3 + 6 F = 2 GaF3 + 3 Br2
Na3PO4 + MgCl2 = NaCl + Mg3P2O8 =>
2 Na3PO4 + 3 MgCl2 = 6 NaCl + Mg3P2O8
K2CrO4 + KOH + H[SnCl3] + H2O = K[Cr(OH)4] + K2[Sn(OH)6] + KCl =>
2 K2CrO4 + 13 KOH + 3 H[SnCl3] + 5 H2O = 2 K[Cr(OH)4] + 3 K2[Sn(OH)6] + 9 KCl
ZnCl2 + Mg = Zn + MgCl2 =>
ZnCl2 + Mg = Zn + MgCl2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
FeSO4 + Ba(OH)2 = Fe(OH)3 + Ba3(SO4)2 =>
2 FeSO4 + 3 Ba(OH)2 = 2 Fe(OH)3 + Ba3(SO4)2
K + O = K3O2 =>
3 K + 2 O = K3O2
C7H5(NO2) + O2 = CO2 + N2 + H2O =>
4 C7H5(NO2) + 29 O2 = 28 CO2 + 2 N2 + 10 H2O
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
Cr2(SO4)3 + K2SO4 + I2 + H2O = K2Cr2O7 + KI + H2SO4 =>
Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O = K2Cr2O7 + 6 KI + 7 H2SO4
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
C6H4NO2CH3 + HNO3 = C6H3N2O4CH3 + H2O =>
C6H4NO2CH3 + HNO3 = C6H3N2O4CH3 + H2O
K2SO3(aq) + MnCl2(aq) = MnSO3(s) + KCl(at) =>
K2SO3(aq) + MnCl2(aq) = MnSO3(s) + 2 KCl(at)
H3PO2 + Pb(OH)4 = H2O + Pb3(PO2)4 =>
4 H3PO2 + 3 Pb(OH)4 = 12 H2O + Pb3(PO2)4
Na2Co3 + CaCl2 = NaCl + Co3Ca =>
Na2Co3 + CaCl2 = 2 NaCl + Co3Ca
Fe(iii) + NH3 + H2O = Fe(OH)3 + NH4 =>
Fe(iii) + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4
TiNi = NiTi =>
TiNi = NiTi
CH3C(CH3)CH3 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + MnO2 + KOH =>
9 CH3C(CH3)CH3 + 7 KMnO4 + 5 H2O = 6(CH3)2C(OH)C(OH)(CH3)2 + 7 MnO2 + 7 KOH
Al + Ni2O = AlO + Ni =>
Al + Ni2O = AlO + 2 Ni
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CuCl2 + AgC2H3O2 = Cu(C2H3O2)2 + AgCl =>
CuCl2 + 2 AgC2H3O2 = Cu(C2H3O2)2 + 2 AgCl
Al + Na(NO3) = Na + Al(NO3)3 =>
Al + 3 Na(NO3) = 3 Na + Al(NO3)3
C6H11OH + CH3COOH = C8H8O2 + H2O =>
2 C6H11OH + 14 CH3COOH = 5 C8H8O2 + 20 H2O
NaCl(s) + H2SO4 = NaHSO4(s) + HCl(g) =>
NaCl(s) + H2SO4 = NaHSO4(s) + HCl(g)
Pb(No3)2 + K + I = Pb(No3)2KI =>
Pb(No3)2 + K + I = Pb(No3)2KI
CH3CH2Br + MgCO3H2O = CH3CH2CHO + MgBrOH + O2 =>
CH3CH2Br + MgCO3H2O = CH3CH2CHO + MgBrOH + O2
KCrO4 + FeSO4 + H2SO4 = Cr2(SO4)3 + K2SO4 + Fe2(SO4)3 + H2O =>
2 KCrO4 + 8 FeSO4 + 8 H2SO4 = Cr2(SO4)3 + K2SO4 + 4 Fe2(SO4)3 + 8 H2O
N2Cl4 + CO4 = CCl4 + O2 + N2 =>
N2Cl4 + CO4 = CCl4 + 2 O2 + N2
NaCl + HOH = NaOH + Cl2 + H2 =>
2 NaCl + 2 HOH = 2 NaOH + Cl2 + H2
C55O6H104 + H2O = CO2 + H2 =>
C55O6H104 + 104 H2O = 55 CO2 + 156 H2
H2O + BaCl2 + NH4SO4 = NH4Cl + H2SO4 + BaO2 =>
2 H2O + BaCl2 + 2 NH4SO4 = 2 NH4Cl + 2 H2SO4 + BaO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BeI2 + SrSO4 = SrBe + I2SO4 =>
BeI2 + SrSO4 = SrBe + I2SO4
Na2CO3 + KC4H5O6 = H2O + CO2 + Na + K =>
9 Na2CO3 + 2 KC4H5O6 = 5 H2O + 17 CO2 + 18 Na + 2 K
(NH4)2S + K2Cr2O7 + H2O = S + Cr(OH)3 + KOH + NH3 =>
3(NH4)2S + K2Cr2O7 + H2O = 3 S + 2 Cr(OH)3 + 2 KOH + 6 NH3
Zn + HNO2 = Zn(NO3)2 + NO + H2O =>
Zn + 8 HNO2 = Zn(NO3)2 + 6 NO + 4 H2O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
CaO + MgO = CaMg + O2 =>
CaO + MgO = CaMg + O2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
Na2O + H3PO4 = H2O + Na3PO4 =>
3 Na2O + 2 H3PO4 = 3 H2O + 2 Na3PO4
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