| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 POCl3 = 2 P + 2 O + 3 Cl2
K(NO3) + C12H22O11 = N2 + CO2 + H2O + K2CO3 =>
48 K(NO3) + 5 C12H22O11 = 24 N2 + 36 CO2 + 55 H2O + 24 K2CO3
Na6(Si30Al6)O72*20H2 + NaOH = Na8(Si30Al6)O73*20H2 + H2O =>
Na6(Si30Al6)O72*20H2 + 2 NaOH = Na8(Si30Al6)O73*20H2 + H2O
MgCl2*6H2O + Ca(OH)2 = Mg(OH)2 + CaCl2*6H2O =>
MgCl2*6H2O + Ca(OH)2 = Mg(OH)2 + CaCl2*6H2O
[AgCl2] + NH3 = [Ag(NH3)2] + Cl =>
[AgCl2] + 2 NH3 = [Ag(NH3)2] + 2 Cl
FeCo3H2Co3 = Fe(HCo3)2 =>
FeCo3H2Co3 = Fe(HCo3)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al(NO3)3 + Mg = Mg(NO3)2 + Al =>
2 Al(NO3)3 + 3 Mg = 3 Mg(NO3)2 + 2 Al
NH3OHCl + K2Cr2O7 + H2SO4 = N2 + Cr2(SO4)3 + K2SO4 + HCl + H2O =>
6 NH3OHCl + K2Cr2O7 + 4 H2SO4 = 3 N2 + Cr2(SO4)3 + K2SO4 + 6 HCl + 13 H2O
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
MnSO4 + KClO4 + KOH = K2MnO4 + K2SO4 + H2O + KCl =>
2 MnSO4 + KClO4 + 8 KOH = 2 K2MnO4 + 2 K2SO4 + 4 H2O + KCl
NaI(aq) + CuSO4(aq) = NaSO4 + CuI =>
NaI(aq) + CuSO4(aq) = NaSO4 + CuI
S + HNO3 = H3SO4 + NO2 + H2O =>
S + 5 HNO3 = H3SO4 + 5 NO2 + H2O
KOH + HCIO4 = H2O + KCIO4 = =>
KOH + HCIO4 = H2O + KCIO4
UF4 + ClF3 = UF5 + Cl2 =>
6 UF4 + 2 ClF3 = 6 UF5 + Cl2
C5H12O + C2H4O2 = C7H14O2 + H2O =>
C5H12O + C2H4O2 = C7H14O2 + H2O
CH4 + KMnO4 = CH3OH + MnO2 + KO =>
CH4 + KMnO4 = CH3OH + MnO2 + KO
Na2CO3 + MgNO3 = Mg2CO3 + NaNO3 =>
Na2CO3 + 2 MgNO3 = Mg2CO3 + 2 NaNO3
Si + HNO3 + HF = SiF6 + NO + H2O =>
Si + 2 HNO3 + 6 HF = SiF6 + 2 NO + 4 H2O
(NH4)2O = N2(g) + H2(g) + O2(g) =>
2(NH4)2O = 2 N2(g) + 8 H2(g) + O2(g)
NaHCO3 + CHOOH = NaC2H3O2 + CO2 + H2O =>
NaHCO3 + 4 CHOOH = NaC2H3O2 + 3 CO2 + 3 H2O
Ni + Ag{+} = Ag + Ni2{+} =>
2 Ni + Ag{+} = Ag + Ni2{+}
BaO + H2SO4 = BaOH2SO4 =>
BaO + H2SO4 = BaOH2SO4
ZnOH + H2SO4 = ZnSO4 + H2O + H =>
ZnOH + H2SO4 = ZnSO4 + H2O + H
C + SiO2 + Na2SO4 = Na2SiO3 + SO2 + CO2 =>
C + 2 SiO2 + 2 Na2SO4 = 2 Na2SiO3 + 2 SO2 + CO2
LiBr + Co(SO3) = Li2SO3 + CoBr2 =>
2 LiBr + Co(SO3) = Li2SO3 + CoBr2
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
NaHCO + HCl = NaH + HCOCl =>
NaHCO + HCl = NaH + HCOCl
[Ni(H2O)6]{2+} + NH3 = Ni(OH)2 + NH4{+} + H2O =>
[Ni(H2O)6]{2+} + 2 NH3 = Ni(OH)2 + 2 NH4{+} + 4 H2O
Ga2(SO4)3 + NH4OH = Ga(OH)3 + (NH4)2SO4 =>
Ga2(SO4)3 + 6 NH4OH = 2 Ga(OH)3 + 3(NH4)2SO4
Mg2(PO4)3 = Mg2P3 + O2 =>
Mg2(PO4)3 = Mg2P3 + 6 O2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Fe + C2O4 = Fe2(C2O4)3 =>
2 Fe + 3 C2O4 = Fe2(C2O4)3
Cu + HNO3 = CuO + H2O + NO =>
3 Cu + 2 HNO3 = 3 CuO + H2O + 2 NO
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
C2H5BrNaHS = C2H5SHNaBr =>
C2H5BrNaHS = C2H5SHNaBr
LiClO3 = LiCl + O2 =>
2 LiClO3 = 2 LiCl + 3 O2
Fe(NO3)2(aq) + NAOH(aq) = Fe(OH)2(s) + NANO3(aq) =>
Fe(NO3)2(aq) + 2 NAOH(aq) = Fe(OH)2(s) + 2 NANO3(aq)
(NH4)2Fe(SO4)2 + K2Cr2O7 + NaOH + H2O = Cr(OH)3 + K2SO4 + Na2SO4 + Fe(OH)3 + (NH4)2SO4 =>
6(NH4)2Fe(SO4)2 + K2Cr2O7 + 10 NaOH + 7 H2O = 2 Cr(OH)3 + K2SO4 + 5 Na2SO4 + 6 Fe(OH)3 + 6(NH4)2SO4
C6H14 + O2 = CO2 + H2 = O =>
C6H14 + 6 O2 = 6 CO2 + 7 H2
C6H5CHCH2 + KMnO4 + H2SO4 = C6H5COOH + H2O + K2SO4 + MnSO4 =>
7 C6H5CHCH2 + 8 KMnO4 + 12 H2SO4 = 8 C6H5COOH + 16 H2O + 4 K2SO4 + 8 MnSO4
K2Se + NaBiO3 + H2SO4 = Bi2(SO4)3 + Na2SO4 + K2SO4 + H2O + Se =>
2 K2Se + 2 NaBiO3 + 6 H2SO4 = Bi2(SO4)3 + Na2SO4 + 2 K2SO4 + 6 H2O + 2 Se
C3H8O3 + Na = C3H5O3Na + H2 =>
2 C3H8O3 + 2 Na = 2 C3H5O3Na + 3 H2
Ga + NaOH = GaOH + Na =>
Ga + NaOH = GaOH + Na
ZnSO4 + K2CO3 + H2O = Zn2(OH)2CO3 + K2SO4 + CO2 =>
2 ZnSO4 + 2 K2CO3 + H2O = Zn2(OH)2CO3 + 2 K2SO4 + CO2
F + Zn = ZnF2 =>
2 F + Zn = ZnF2
C6H5N3 + KMnO4 + H2O = C4H3N3O4 + MnO2 + KOH + CO2 =>
C6H5N3 + 6 KMnO4 + 2 H2O = C4H3N3O4 + 6 MnO2 + 6 KOH + 2 CO2
CaCl2 + (NH4)2S = CaS + NH4Cl =>
CaCl2 + (NH4)2S = CaS + 2 NH4Cl
H2SO4 + Na = H2 + Na2SO4 =>
H2SO4 + 2 Na = H2 + Na2SO4
KBr + K2Cr2O7 + H2SO4 = Br2 + Cr2(SO4)3 + H2O + K2SO4 =>
6 KBr + K2Cr2O7 + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 7 H2O + 4 K2SO4
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