| Équations équilibrées la veille |
3 H2SO4 + Ba3(PO4)2 = 3 BaSO4 + 2 H3(PO4)
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ra + H2O = Ra(HO)2 + H2 =>
Ra + 2 H2O = Ra(HO)2 + H2
Zn(OH)2 + NaC2H3O2 = Zn(C2H3O2)2 + NaOH =>
Zn(OH)2 + 2 NaC2H3O2 = Zn(C2H3O2)2 + 2 NaOH
(b)NO2 + H2O = HNO3 + NO =>
3(b)NO2 + H2O = 2 HNO3 + NO
PCI5 + H2O = H3PO4 + H + C + I =>
PCI5 + 4 H2O = H3PO4 + 5 H + C + 5 I
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ca3(PO4)2 + NaNO2 = Ca(NO2)2 + Na3PO4 =>
Ca3(PO4)2 + 6 NaNO2 = 3 Ca(NO2)2 + 2 Na3PO4
Zn + OH{-} = ZnO2{-2} + H2 =>
Zn + 2 OH{-} = ZnO2{-2} + H2
C5H6 + O2 = CO2 + H2O =>
2 C5H6 + 13 O2 = 10 CO2 + 6 H2O
H2S + I2 + H2O = H2SO4 + HI =>
H2S + 4 I2 + 4 H2O = H2SO4 + 8 HI
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
SiO2 + NaOH = Na6Si2O7 + H2O =>
2 SiO2 + 6 NaOH = Na6Si2O7 + 3 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
TiSO4 + ZrO2 = TiO + Zr(SO4)2 =>
2 TiSO4 + ZrO2 = 2 TiO + Zr(SO4)2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Se8 + F2 = SeF6 =>
Se8 + 24 F2 = 8 SeF6
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Pb(NO3)2 + AlCl3 = PbCl2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 AlCl3 = 3 PbCl2 + 2 Al(NO3)3
Ba(OH)2 = HOH + BaO =>
Ba(OH)2 = HOH + BaO
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
H2SO4 + NaCl = HCl + NaHSO4 =>
H2SO4 + NaCl = HCl + NaHSO4
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
C40H56 + O2 + H = C20H30O =>
C40H56 + O2 + 4 H = 2 C20H30O
CuSO4 + LiClO = Cu(ClO)2 + Li2SO4 =>
CuSO4 + 2 LiClO = Cu(ClO)2 + Li2SO4
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
H2S + Cl3 = S8 + HCl =>
24 H2S + 16 Cl3 = 3 S8 + 48 HCl
CuCl2(aq) + Na2CO3 = CuCO3 + Na2Cl2 =>
CuCl2(aq) + Na2CO3 = CuCO3 + Na2Cl2
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
Au + KCN + O2 + H2O = K[Au(CN)2] + KOH =>
4 Au + 8 KCN + O2 + 2 H2O = 4 K[Au(CN)2] + 4 KOH
Li + YCl3 = Y + LiCl =>
3 Li + YCl3 = Y + 3 LiCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
AgNH4 + HNO3 = AgNO3 + HNH4 =>
AgNH4 + HNO3 = AgNO3 + HNH4
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
ZnS + Cu = Zn + CuS =>
ZnS + Cu = Zn + CuS
C2H2OH + O = CO + H2O =>
2 C2H2OH + 5 O = 4 CO + 3 H2O
Mg + H3PO4 = Mg3PO4 + H2 =>
6 Mg + 2 H3PO4 = 2 Mg3PO4 + 3 H2
K2CrO7 + KBr + H2SO4 = Br2 + K2SO4 + Cr2(SO4)3 + H2O =>
2 K2CrO7 + 18 KBr + 14 H2SO4 = 9 Br2 + 11 K2SO4 + Cr2(SO4)3 + 14 H2O
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
SiO2 + NaOH = Na8Si2O8 + H2O =>
2 SiO2 + 8 NaOH = Na8Si2O8 + 4 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Br2(l) + KI = KBr + I2 =>
Br2(l) + 2 KI = 2 KBr + I2
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