| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 B5H9 + 12 O2 = 5 B2O3 + 9 H2O
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
K(s) + Br2(l) = KBr(s) =>
2 K(s) + Br2(l) = 2 KBr(s)
Sb3(s) + O3(g) = Sb2O3(s) =>
2 Sb3(s) + 3 O3(g) = 3 Sb2O3(s)
FeS + O2 + H2O = Fe2O3 + H2SO4 =>
4 FeS + 9 O2 + 4 H2O = 2 Fe2O3 + 4 H2SO4
HCl(aq) + KI(aq) = HI(aq) + KCl(aq) =>
HCl(aq) + KI(aq) = HI(aq) + KCl(aq)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H2O + Al2S3 = Al(OH)3 + H2S =>
6 H2O + Al2S3 = 2 Al(OH)3 + 3 H2S
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
H3PO4 + NH4OH = H2O + (NH4)3PO4 =>
H3PO4 + 3 NH4OH = 3 H2O + (NH4)3PO4
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
H + NO = H2O + N =>
2 H + NO = H2O + N
Mg3N2 + H2O = NH3 + MgO =>
Mg3N2 + 3 H2O = 2 NH3 + 3 MgO
Cr2(SO4)3 + KI + KIO3 + H2O = Cr(OH)3 + K2SO4 + I2 =>
Cr2(SO4)3 + 5 KI + KIO3 + 3 H2O = 2 Cr(OH)3 + 3 K2SO4 + 3 I2
Na2SO4 + CaCl2 = NaCl + CaSO4 =>
Na2SO4 + CaCl2 = 2 NaCl + CaSO4
NaOH + H2So4 = H2O + Na2So4 =>
2 NaOH + H2So4 = 2 H2O + Na2So4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
CaBr2 + H2O = HBr + CaO =>
CaBr2 + H2O = 2 HBr + CaO
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe + H2SO4 = H2 + FeSO4 =>
Fe + H2SO4 = H2 + FeSO4
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SiO2 + Mg = Si + MgO =>
SiO2 + 2 Mg = Si + 2 MgO
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
Na + FeBr3 = Na3FeBr3 =>
3 Na + FeBr3 = Na3FeBr3
Sn + HF = SnF2 + H2 =>
Sn + 2 HF = SnF2 + H2
HClO + O2 = HClO4 =>
2 HClO + 3 O2 = 2 HClO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
HBr + KOH = KBr + H2O =>
HBr + KOH = KBr + H2O
CH3COONa + NaOH = Na2CO3 + CH4 =>
CH3COONa + NaOH = Na2CO3 + CH4
KMnO7 + SO2 + H2O = MnSO4 + K2S2O7 + H2SO4 =>
2 KMnO7 + 11 SO2 + 7 H2O = 2 MnSO4 + K2S2O7 + 7 H2SO4
CaAl2Si2O8 + Ca2Al2SiO7 + CaSiO3 = Ca3Al2(SiO4)3 =>
CaAl2Si2O8 + Ca2Al2SiO7 + 3 CaSiO3 = 2 Ca3Al2(SiO4)3
Ba(ClO3)2 + H2SO4 = H(ClO3) + BaSO4 =>
Ba(ClO3)2 + H2SO4 = 2 H(ClO3) + BaSO4
CH3COONa + NaOH = Na2CO3 + CH4 =>
CH3COONa + NaOH = Na2CO3 + CH4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
NH3 + Na = H2 + NaNH2 =>
2 NH3 + 2 Na = H2 + 2 NaNH2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
(CH3)3CBr + OH = (CH3)3COH + Br =>
(CH3)3CBr + OH = (CH3)3COH + Br
HNO3 + Cu = Cu(NO3)2 + NO + H2O =>
8 HNO3 + 3 Cu = 3 Cu(NO3)2 + 2 NO + 4 H2O
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
HCN + O2 = N2 + CO2 + H2O =>
4 HCN + 5 O2 = 2 N2 + 4 CO2 + 2 H2O
CH3COONa + NaOH = Na2CO3 + CH4 =>
CH3COONa + NaOH = Na2CO3 + CH4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/12/19
Équations équilibrées sur02/11/18
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