| Équations équilibrées la veille |
2 N2O = 2 N2 + O2
Br2 + Na2S2O3 + H2O = Na2SO4 + H2SO4 + HBr =>
4 Br2 + Na2S2O3 + 5 H2O = Na2SO4 + H2SO4 + 8 HBr
Na2S2O3 + NaOH = Na2SO3 + Na2S + H2O =>
3 Na2S2O3 + 6 NaOH = 4 Na2SO3 + 2 Na2S + 3 H2O
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
FeS + O2 + H2O = Fe2O3 + H2SO4 =>
4 FeS + 9 O2 + 4 H2O = 2 Fe2O3 + 4 H2SO4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
O3C4H6 + O2 = CO2 + H2O =>
O3C4H6 + 4 O2 = 4 CO2 + 3 H2O
KNO3 = K2O + N2 + O2 =>
4 KNO3 = 2 K2O + 2 N2 + 5 O2
Na3P + KCl = NaCl + K3P =>
Na3P + 3 KCl = 3 NaCl + K3P
SiC + Cl2 = SiCl4 + C =>
SiC + 2 Cl2 = SiCl4 + C
C3H6O + H2 = C2H6 + H2O =>
2 C3H6O + 5 H2 = 3 C2H6 + 2 H2O
Cr + PB{2+} = PB + Cr{3+} =>
2 Cr + 3 PB{2+} = 3 PB + 2 Cr{3+}
SO2Cl2 + H2O = H2SO4 + HCl = H2SO4 + Ca(OH)2 = CaSO4 + H2O =>
SO2Cl2 + 2 H2O = H2SO4 + 2 HCl
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
KMnO4 + H3PO4 = Mn3(PO4)2 + K2HPO4 + H2O + O2 =>
12 KMnO4 + 14 H3PO4 = 4 Mn3(PO4)2 + 6 K2HPO4 + 18 H2O + 15 O2
Ca + HIO3 = Ca(IO3)2 + H2O + IO =>
3 Ca + 8 HIO3 = 3 Ca(IO3)2 + 4 H2O + 2 IO
CaO + NaCl = Na2O + CaCl2 =>
CaO + 2 NaCl = Na2O + CaCl2
HCl + Cu(OH)2 = CuCl2 + H2O =>
2 HCl + Cu(OH)2 = CuCl2 + 2 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Ca(HSO3)2 = CaO + SO2 + H2O =>
Ca(HSO3)2 = CaO + 2 SO2 + H2O
BeCl2 + O2 = Be(ClO3)2 =>
BeCl2 + 3 O2 = Be(ClO3)2
K(OH) + Ag2(SO4) = AgOH + K2SO4 =>
2 K(OH) + Ag2(SO4) = 2 AgOH + K2SO4
Cl2 + NH4OH = NH4Cl + H2O + N2 =>
3 Cl2 + 8 NH4OH = 6 NH4Cl + 8 H2O + N2
U{5+} + {-} = U =>
U{5+} + 5e = U
CuCl2 + Na3Po4 = Cu3(Po4)2 + NaCl =>
3 CuCl2 + 2 Na3Po4 = Cu3(Po4)2 + 6 NaCl
K(OH) + Ag2(SO4) = AgOH + K2SO4 =>
2 K(OH) + Ag2(SO4) = 2 AgOH + K2SO4
SF4 + H2O = SO2 + HF =>
SF4 + 2 H2O = SO2 + 4 HF
Mn(OH)2 + H2Cl2O2 = Mn(ClO)2 + H2O =>
Mn(OH)2 + H2Cl2O2 = Mn(ClO)2 + 2 H2O
C4H5OC2H5 + O2 = CO2 + H2O =>
C4H5OC2H5 + 8 O2 = 6 CO2 + 5 H2O
Fe + H2S = FeS + H =>
Fe + H2S = FeS + 2 H
C6H5COOH + NH3 = C6H5COO + NH4 =>
C6H5COOH + NH3 = C6H5COO + NH4
C2H6(g) + O2(g) = CO2(s) + H2O(l) =>
2 C2H6(g) + 7 O2(g) = 4 CO2(s) + 6 H2O(l)
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
Ga2I6 + F2 = I2 + GaF3 =>
Ga2I6 + 3 F2 = 3 I2 + 2 GaF3
HCOOH + Na = HCOONa + H2 =>
2 HCOOH + 2 Na = 2 HCOONa + H2
AI + HCI = H2 + AICI =>
2 AI + 2 HCI = H2 + 2 AICI
Cd(NO3)2 = CdO + NO2 + O2 =>
2 Cd(NO3)2 = 2 CdO + 4 NO2 + O2
B(OH)3 = HBO2 + H2O = B2O3 + H2O =>
B(OH)3 = HBO2 + H2O
C + SiO2 + Ca3(PO4)2 = P + CO + CaSiO3 =>
5 C + 3 SiO2 + Ca3(PO4)2 = 2 P + 5 CO + 3 CaSiO3
HCN + Zn = Zn(CN)2 + H2 =>
2 HCN + Zn = Zn(CN)2 + H2
KBr2 + KOH + Cl2 = KBrO3 + KCl + H2O =>
2 KBr2 + 24 KOH + 11 Cl2 = 4 KBrO3 + 22 KCl + 12 H2O
Fe(NO3)2 + Na3PO4(aq) = Fe3(PO4)2 + NaNO3 =>
3 Fe(NO3)2 + 2 Na3PO4(aq) = Fe3(PO4)2 + 6 NaNO3
Cr2O7(NH4)2 + O2 = Cr2O3 + NO2 + H2O =>
Cr2O7(NH4)2 + 2 O2 = Cr2O3 + 2 NO2 + 4 H2O
NaHCO3 = CO2 + H2O + Na2CO3 =>
2 NaHCO3 = CO2 + H2O + Na2CO3
FeO + PdF2 = FeF2 + PdO =>
FeO + PdF2 = FeF2 + PdO
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
FeCI3 + SnCI2 = FeCI2 + SnCI4 =>
2 FeCI3 + SnCI2 = 2 FeCI2 + SnCI4
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
C6H12O2 + H2O = C4H9OH + CH3COOH =>
C6H12O2 + H2O = C4H9OH + CH3COOH
KIO3 + SO2 + H2O = KI + H2SO4 =>
KIO3 + 3 SO2 + 3 H2O = KI + 3 H2SO4
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Équations équilibrées sur02/10/25
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