| Équations équilibrées la veille |
2 Fe(OH)3 + 10 NaOH + 3 Br2 = 2 Na2FeO4 + 8 H2O + 6 NaBr
Al(OH) + H2 = Al + H2O =>
2 Al(OH) + H2 = 2 Al + 2 H2O
Al2S3(s) = Al2 + S3 =>
Al2S3(s) = Al2 + S3
As + Zn + HCl = AsH3 + ZnCl2 =>
2 As + 3 Zn + 6 HCl = 2 AsH3 + 3 ZnCl2
Li3 + N2 = Li3N =>
2 Li3 + N2 = 2 Li3N
Na2SO3 + C2H4O2 = H2SO3 + NaC2H3O2 =>
Na2SO3 + 2 C2H4O2 = H2SO3 + 2 NaC2H3O2
K3PO4 + Li2O = K2O + Li3PO4 =>
2 K3PO4 + 3 Li2O = 3 K2O + 2 Li3PO4
NaHCO3 + HC1 = NaC1 + CO2 + H2O =>
NaHCO3 + HC1 = NaC1 + CO2 + H2O
PbCl2 + HCl = PbH + Cl2 =>
2 PbCl2 + 2 HCl = 2 PbH + 3 Cl2
[Ag(NH3)2] + CaC2 + H2O = C2Ag2 + NH5 + NH4NO3 + CaO =>
4[Ag(NH3)2] + 2 CaC2 + 5 H2O = 2 C2Ag2 + 6 NH5 + NH4NO3 + 2 CaO
NaHCO3 + H2O = H2CO3 + Na2O =>
2 NaHCO3 + H2O = 2 H2CO3 + Na2O
Bi(NO3)3 + (NH4)2S = Bi2S3 + NH3 + HNO3 =>
2 Bi(NO3)3 + 3(NH4)2S = Bi2S3 + 6 NH3 + 6 HNO3
Si + NaNO3 = NaNO2 + SiO2 =>
Si + 2 NaNO3 = 2 NaNO2 + SiO2
(NH4)2CO3 + HNO3 = NH4NO3 + CO2 + H2O =>
(NH4)2CO3 + 2 HNO3 = 2 NH4NO3 + CO2 + H2O
NH4C2H3O2 + Na2CO3 = H2O + CO2 + NH3 + NaC2H3O2 =>
2 NH4C2H3O2 + Na2CO3 = H2O + CO2 + 2 NH3 + 2 NaC2H3O2
H2CIO3 + KOH = H2O + K2CIO3 =>
H2CIO3 + 2 KOH = 2 H2O + K2CIO3
H3AsO3 + H2S = As2S3 + H2O =>
2 H3AsO3 + 3 H2S = As2S3 + 6 H2O
C3H8O = H2 + CO + C2H6 =>
C3H8O = H2 + CO + C2H6
NH3 + HgCl2 = Hg + HCl + N2 =>
2 NH3 + 3 HgCl2 = 3 Hg + 6 HCl + N2
Ca(NO3)2 + H2SiO3 = CaSiO3 + HNO3 =>
Ca(NO3)2 + H2SiO3 = CaSiO3 + 2 HNO3
C2H50H + K2Cr2O7 + H2SO4 = CH3COH + Cr2(SO4)3 + K2SO4 + H2O =>
6 C2H50H + 49 K2Cr2O7 + 196 H2SO4 = 6 CH3COH + 49 Cr2(SO4)3 + 49 K2SO4 + 337 H2O
C6H5COOH = C6H5 + COOH =>
C6H5COOH = C6H5 + COOH
Na2C2O4 + KBrO3 + H2O = CO2 + KBr + NaOH =>
3 Na2C2O4 + KBrO3 + 3 H2O = 6 CO2 + KBr + 6 NaOH
KNO3 + NaHSO4 = KHSO4 + NaNO3 =>
KNO3 + NaHSO4 = KHSO4 + NaNO3
SbBr3 = Sb + Br =>
SbBr3 = Sb + 3 Br
C + H2O = CO2 + CH4 =>
2 C + 2 H2O = CO2 + CH4
CuSO4 + CuO = CuSO4CuO =>
CuSO4 + CuO = CuSO4CuO
NaHCO3 + Mg(NO3)2 = MgCO3 + NaNO3 + H2O + CO2 =>
2 NaHCO3 + Mg(NO3)2 = MgCO3 + 2 NaNO3 + H2O + CO2
Na2CO3 + Ca(OH)2 = NaOH + CaCO3 =>
Na2CO3 + Ca(OH)2 = 2 NaOH + CaCO3
Zn + Pb(NO3)2 = Pb2 + Zn(NO3) =>
4 Zn + 2 Pb(NO3)2 = Pb2 + 4 Zn(NO3)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe{2+} + K2Cr2O7 + H{+} = Fe{3+} + Cr{2+} + K{+} + H2O =>
8 Fe{2+} + K2Cr2O7 + 14 H{+} = 8 Fe{3+} + 2 Cr{2+} + 2 K{+} + 7 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C6 + H2 + O2 = C6H12O6 =>
C6 + 6 H2 + 3 O2 = C6H12O6
Pb(NO3)2 + NH3 = PbNH3 + NO3 =>
Pb(NO3)2 + NH3 = PbNH3 + 2 NO3
Me4N + I = Me4NI3 =>
Me4N + 3 I = Me4NI3
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
KI + HCl = KCl + I2 + H2 =>
2 KI + 2 HCl = 2 KCl + I2 + H2
Mn(NO3)2 + NaOH + Br2 = NaNO3 + MnO2 + NaBr + H2O =>
Mn(NO3)2 + 4 NaOH + Br2 = 2 NaNO3 + MnO2 + 2 NaBr + 2 H2O
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
H3PO4(l) = P2O5(g) + H2O(l) =>
2 H3PO4(l) = P2O5(g) + 3 H2O(l)
CeO2 + KI + HCI = KCI + CeCI + H2O + I2 =>
2 CeO2 + 6 KI + 8 HCI = 6 KCI + 2 CeCI + 4 H2O + 3 I2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
VO2{+} + SO3{2-} + H{+} = VO{2+} + SO4{2-} + H2O =>
2 VO2{+} + SO3{2-} + 2 H{+} = 2 VO{2+} + SO4{2-} + H2O
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
CeO2 + KI + HCI = KCI + CeCI + H2O + I2 =>
2 CeO2 + 6 KI + 8 HCI = 6 KCI + 2 CeCI + 4 H2O + 3 I2
K + CO = KCO =>
K + CO = KCO
NH3 + HgCl2 = Hg + HCl + N2 =>
2 NH3 + 3 HgCl2 = 3 Hg + 6 HCl + N2
Rh + O2 + HCl = H3RhCl6 + H2O =>
4 Rh + 3 O2 + 24 HCl = 4 H3RhCl6 + 6 H2O
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