Équations équilibrées la veille |
4 Na + O2 = 2 Na2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
KBr + KBrO3 + HCl = Br2 + KCl + H2O =>
5 KBr + KBrO3 + 6 HCl = 3 Br2 + 6 KCl + 3 H2O
FeCO3 = FeO + CO2 =>
FeCO3 = FeO + CO2
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
Cr2O3 + KOH + H2O = K3(Cr(OH)6) =>
Cr2O3 + 6 KOH + 3 H2O = 2 K3(Cr(OH)6)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Pb(NO3)2 + FeCl3 = PbCl2 + Fe(NO3)3 =>
3 Pb(NO3)2 + 2 FeCl3 = 3 PbCl2 + 2 Fe(NO3)3
Pb(NO3)2 + NaBr = PbBr2 + Na(NO3) =>
Pb(NO3)2 + 2 NaBr = PbBr2 + 2 Na(NO3)
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
Al(OH)3 + KNO3 = Al(NO3)3 + KOH =>
Al(OH)3 + 3 KNO3 = Al(NO3)3 + 3 KOH
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ba(OH)2 + Na2CO2 = BaCO2 + NaOH =>
Ba(OH)2 + Na2CO2 = BaCO2 + 2 NaOH
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
K2S2O8 + K2S2 + H2O = KHSO4 =>
7 K2S2O8 + K2S2 + 8 H2O = 16 KHSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
PbS + CO2 = PbSO4 + CO =>
PbS + 4 CO2 = PbSO4 + 4 CO
Fe(NO3)3 + KI = FeI3 + KNO3 =>
Fe(NO3)3 + 3 KI = FeI3 + 3 KNO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
NH4Cl + NaHNO3 = NH4HNO3 + NaCl =>
NH4Cl + NaHNO3 = NH4HNO3 + NaCl
AlCl3 + FeBr2 = AlBr3 + FeCl2 =>
2 AlCl3 + 3 FeBr2 = 2 AlBr3 + 3 FeCl2
Na2CrO4 + H2O = Na2Cr2O7 + NaOH =>
2 Na2CrO4 + H2O = Na2Cr2O7 + 2 NaOH
Mg + TiCl4 = Ti + MgCl =>
4 Mg + TiCl4 = Ti + 4 MgCl
Au(ClO3)3 + HI = HClO3 + I3Au =>
Au(ClO3)3 + 3 HI = 3 HClO3 + I3Au
(NH4)2SO3 + KMnO4 + H2SO4 = (NH4)2SO4 + MnSO4 + K2SO4 + H2O =>
5(NH4)2SO3 + 2 KMnO4 + 3 H2SO4 = 5(NH4)2SO4 + 2 MnSO4 + K2SO4 + 3 H2O
H2 + BiCl3 = Bi + HCl =>
3 H2 + 2 BiCl3 = 2 Bi + 6 HCl
Na3PO4 + Na2MoO4 + HNO3 = Na3PMo12O40 + H2O + NaNO3 =>
Na3PO4 + 12 Na2MoO4 + 24 HNO3 = Na3PMo12O40 + 12 H2O + 24 NaNO3
KClO + NaClO3 = KClO3 + NaClO =>
KClO + NaClO3 = KClO3 + NaClO
CaCl2 + NaOH = Ca(OH)2 + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2 + 2 NaCl
H4C2O2 = H6C4O3 + H2O =>
2 H4C2O2 = H6C4O3 + H2O
Zn(ac) + HNO3(ac) = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn(ac) + 10 HNO3(ac) = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
ZrC + B4O7 + C = ZrB2 + CO =>
2 ZrC + B4O7 + 5 C = 2 ZrB2 + 7 CO
Ca + HCl + O2 = CaCl2 + H2O =>
2 Ca + 4 HCl + O2 = 2 CaCl2 + 2 H2O
NaOH + Al(NO3)2 = Na + (NO3)2 + AlOH =>
NaOH + Al(NO3)2 = Na + (NO3)2 + AlOH
FeC2O4 + H2C2O4 + K2C2O4 + H2O2 = K3(Fe(C2O4)3) + H2O =>
2 FeC2O4 + H2C2O4 + 3 K2C2O4 + H2O2 = 2 K3(Fe(C2O4)3) + 2 H2O
CrS(s) + O2(g) = CrO3(s) + SO2(g) =>
2 CrS(s) + 5 O2(g) = 2 CrO3(s) + 2 SO2(g)
NH4C2H3O2 + K3PO4 = (NH4)3PO4 + KC2H3O2 =>
3 NH4C2H3O2 + K3PO4 = (NH4)3PO4 + 3 KC2H3O2
H2SO3 + I2 = I2SO3 + H2 =>
H2SO3 + I2 = I2SO3 + H2
Pb + HClO2 = PbClO2 + H2 =>
2 Pb + 2 HClO2 = 2 PbClO2 + H2
NO3 + H3O = N2 + H2O =>
2 NO3 + 12 H3O = N2 + 18 H2O
NaOH = Na + OH =>
NaOH = Na + OH
C4H6O3 + H2O = C2H4O2 =>
C4H6O3 + H2O = 2 C2H4O2
NaOH = Na + OH =>
NaOH = Na + OH
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NH4 + FeCl3 = NH4Cl3 + Fe =>
NH4 + FeCl3 = NH4Cl3 + Fe
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