| Équations équilibrées la veille |
2 KHCO3 + H2SO4 = 2 H2O + 2 CO2 + K2SO4
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
Ag2O + NH3 + H2O = [Ag(NH3)2]OH =>
Ag2O + 4 NH3 + H2O = 2[Ag(NH3)2]OH
(K3)PO4 + Sr(NO3)2 = KNO3 + (Sr)3(PO4)2 =>
2(K3)PO4 + 3 Sr(NO3)2 = 6 KNO3 + (Sr)3(PO4)2
HCl + CuCO3 = CO2 + CuCl2 + H2O(g) =>
2 HCl + CuCO3 = CO2 + CuCl2 + H2O(g)
Na + CH3CHOHCH2CH3 = CH3CHONaCH2CH3 + H =>
Na + CH3CHOHCH2CH3 = CH3CHONaCH2CH3 + H
Al + O = Al2O =>
2 Al + O = Al2O
HNO3 + CuO = CuH + NO4 =>
HNO3 + CuO = CuH + NO4
CH3CH2COOH + Al = (CH3CH2COO)Al + H2 =>
2 CH3CH2COOH + 2 Al = 2(CH3CH2COO)Al + H2
Na2CO3 + HNO3 = Na2CO3HNO3 =>
Na2CO3 + HNO3 = Na2CO3HNO3
Ag + I3 = AgI =>
3 Ag + I3 = 3 AgI
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
K2Zn3[Fe(CN)6]2 + NaOH = Zn(OH)2 + Fe(OH)2 + NaCN + KCN =>
K2Zn3[Fe(CN)6]2 + 10 NaOH = 3 Zn(OH)2 + 2 Fe(OH)2 + 10 NaCN + 2 KCN
NaBr + MgO = MgBr2 + Na2O =>
2 NaBr + MgO = MgBr2 + Na2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3CHCl2 + KOH = CH3COH + KCl + H2O =>
CH3CHCl2 + 2 KOH = CH3COH + 2 KCl + H2O
HCl + Cr = CrCl2 + H2 =>
2 HCl + Cr = CrCl2 + H2
C36H32ClF12N4OS + O2 = CO + H2O + HCl + HF + NO2 + SO3 =>
4 C36H32ClF12N4OS + 111 O2 = 144 CO + 38 H2O + 4 HCl + 48 HF + 16 NO2 + 4 SO3
Na2SO3 + H2SO4 = Na2SO4 + SO2 + H2O =>
Na2SO3 + H2SO4 = Na2SO4 + SO2 + H2O
PbNO3*2 + Na2SO4 = Pb2SO4 + NaNO3 =>
2 PbNO3*2 + Na2SO4 = Pb2SO4 + 2 NaNO3
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Fe2O3 + CO = Fe3O4 + CO2 =>
3 Fe2O3 + CO = 2 Fe3O4 + CO2
Al + MgBr2 = AlBr3 + Mg =>
2 Al + 3 MgBr2 = 2 AlBr3 + 3 Mg
CO2 + NaOH = H2O + Na2CO3 =>
CO2 + 2 NaOH = H2O + Na2CO3
[Ni(NH3)4(H2O)2]2[Fe(CN)6] + KNO3 + KOH = K2CO3 + KFeO2 + N2 + NiO + H2O =>
2[Ni(NH3)4(H2O)2]2[Fe(CN)6] + 22 KNO3 + 4 KOH = 12 K2CO3 + 2 KFeO2 + 25 N2 + 4 NiO + 34 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
ZnCl2 + H2S = HCl + ZnS =>
ZnCl2 + H2S = 2 HCl + ZnS
AlN + HOH = Al(OH) + H2 + N2 =>
2 AlN + 2 HOH = 2 Al(OH) + H2 + N2
H2SiO3 + NaOH = HOH + Na2SiO3 =>
H2SiO3 + 2 NaOH = 2 HOH + Na2SiO3
Fe + KCl = Fe2Cl + K =>
2 Fe + KCl = Fe2Cl + K
Be(OH)2 + Li2CO3 = BeCO3 + LiOH =>
Be(OH)2 + Li2CO3 = BeCO3 + 2 LiOH
CH3CH2CH2OH + Cr2O72 + H{+} = CH3CH2CHO + H2O + Cr3{+} =>
215 CH3CH2CH2OH + 3 Cr2O72 + 2 H{+} = 215 CH3CH2CHO + 216 H2O + 2 Cr3{+}
OHI = IOH =>
OHI = IOH
MgO + CaCl2 = CaMgCl2O =>
MgO + CaCl2 = CaMgCl2O
KMnO4 + K2S + HCl = S + KCl + MnCl2 + H2O =>
2 KMnO4 + 5 K2S + 16 HCl = 5 S + 12 KCl + 2 MnCl2 + 8 H2O
CsCl2(aq) + Na2SO4(aq) = CsSO4(s) + NaCl(aq) =>
CsCl2(aq) + Na2SO4(aq) = CsSO4(s) + 2 NaCl(aq)
Al + HNO3 = Al[NO3]3 + H2 =>
2 Al + 6 HNO3 = 2 Al[NO3]3 + 3 H2
Ca(NO3)2 + H2SO4 = CaSO4 + HNO3 =>
Ca(NO3)2 + H2SO4 = CaSO4 + 2 HNO3
NaHCO3(aq) + H2SO4(aq) = CO2(g) + H2O(l) + NaHSO4(aq) =>
NaHCO3(aq) + H2SO4(aq) = CO2(g) + H2O(l) + NaHSO4(aq)
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
Cu(NO2)2 + H2 = Cu + NH3 + H2O =>
Cu(NO2)2 + 7 H2 = Cu + 2 NH3 + 4 H2O
As2S5 + O2 = As2O5 + SO2 =>
2 As2S5 + 15 O2 = 2 As2O5 + 10 SO2
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
BaO + H2SO4 = SO4Ba + H2O =>
BaO + H2SO4 = SO4Ba + H2O
FeS + CS2 = FeC + S =>
FeS + CS2 = FeC + 3 S
Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + NaI(aq) =>
2 Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + 2 NaI(aq)
Co(CH3COO)2 + KOH = Co(OH)2 + KCH3COO =>
Co(CH3COO)2 + 2 KOH = Co(OH)2 + 2 KCH3COO
KHCO3 = K2CO3 + H2 + CO3 =>
2 KHCO3 = K2CO3 + H2 + CO3
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